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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


BlackNET


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3
SHA3-384 hash: 75a2eccff06e9105dcd085b3085d39ce65a6f134d90e12b9f9eb72908a2749ad0228bfb77a2ee0fb8a054ac0c4ea77ee
SHA1 hash: 1a43eb1ae77914cb58e6cffc8a4e8a1eebfee7d2
MD5 hash: ad5d8a274eaff455047d801ee9b6231f
humanhash: golf-early-pluto-indigo
File name:AD5D8A274EAFF455047D801EE9B6231F.exe
Download: download sample
Signature BlackNET
Create hunting rule
File size:505'153 bytes
First seen:2024-03-03 22:10:15 UTC
Last seen:2024-07-24 15:13:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 319b1edcc4538be377f43066c635ffef (8 x RedLineStealer, 2 x njrat, 2 x DCRat)
ssdeep 12288:uxjrr7F5qfMs8WdcOX+t4c08no9IaJnv+N6G/wWEh59ma4:uxLsMs8WdcMx8+I+TDV4
Threatray 62 similar samples on MalwareBazaar
TLSH T189B4E121BEC1C971D472193B5AF49B345A3C7D200B758EDB17A46E0E8E706C19B39BA3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (732 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:BlackNet exe


Avatar
abuse_ch
BlackNET C2:
http://ct46452.tw1.ru/receive.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
404
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Trojan.BlackNetRAT-7838854-0
Create hunting rule

Win.Malware.Ursu-9794593-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.BlackNET.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Enabling the 'hidden' option for recently created files
Creating a file
Deleting a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling threat expansion on mass storage devices
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint lolbin overlay packed setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/65e4f5772d4961b6991f59ff/reports/955c5ccc-9161-4972-8cd2-a1177a8fafc4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
BlackNet RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ccc41a51-bee9-46d4-a4cc-939f1a0a83c6
Result
Threat name:
BlackNET
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402236
Signature
.NET source code contains a sample name check
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables Windows Defender (via service or powershell)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected BlackNET
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402236 Sample: qH0YXW4j9A.exe Startdate: 03/03/2024 Architecture: WINDOWS Score: 100 79 vh400.timeweb.ru 2->79 81 ct46452.tw1.ru 2->81 87 Snort IDS alert for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for URL or domain 2->91 93 14 other signatures 2->93 11 qH0YXW4j9A.exe 7 2->11         started        14 Adobe Photoshop CS12.exe 2->14         started        17 Adobe Photoshop CS12.exe 2->17         started        signatures3 process4 file5 77 C:\Users\user\AppData\Roaming\Updater.exe, PE32 11->77 dropped 19 Updater.exe 7 11->19         started        111 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->111 23 WindowsUpdate.exe 14->23         started        25 dw20.exe 14->25         started        27 WindowsUpdate.exe 17->27         started        29 dw20.exe 17->29         started        signatures6 process7 file8 75 C:\Users\user\...\Adobe Photoshop CS12.exe, PE32 19->75 dropped 95 Multi AV Scanner detection for dropped file 19->95 97 Machine Learning detection for dropped file 19->97 31 Adobe Photoshop CS12.exe 15 34 19->31         started        99 Creates autostart registry keys with suspicious names 23->99 101 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 23->101 36 dw20.exe 23->36         started        38 dw20.exe 27->38         started        signatures9 process10 dnsIp11 83 ct46452.tw1.ru 92.53.96.128, 443, 49731, 49732 TIMEWEB-ASRU Russian Federation 31->83 71 C:\Users\user\AppData\Roaming\svchosts.exe, PE32 31->71 dropped 73 C:\Users\user\AppData\...\WindowsUpdate.exe, PE32 31->73 dropped 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 31->85 40 WindowsUpdate.exe 31->40         started        43 svchosts.exe 31->43         started        45 powershell.exe 24 31->45         started        file12 signatures13 process14 signatures15 103 Antivirus detection for dropped file 40->103 105 Multi AV Scanner detection for dropped file 40->105 107 Machine Learning detection for dropped file 40->107 109 2 other signatures 40->109 47 powershell.exe 40->47         started        49 powershell.exe 40->49         started        51 powershell.exe 40->51         started        55 11 other processes 40->55 53 conhost.exe 45->53         started        process16 process17 57 conhost.exe 47->57         started        59 conhost.exe 49->59         started        61 conhost.exe 51->61         started        63 conhost.exe 55->63         started        65 conhost.exe 55->65         started        67 conhost.exe 55->67         started        69 8 other processes 55->69
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3/
Threat name:
ByteCode-MSIL.Backdoor.Blacknet
Create hunting rule
Status:
Malicious
First seen:
2024-02-28 00:53:00 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=myrujwaozlkz27e5jyfnnbsprtf334nhgmq3yp76wjhfz3b6dpzq._file
Verdict:
malicious
Similar samples:
08f5c3a955867e25c57530a0a18e6b32d32da0426bc8693c6776e1f6bdab36e2
BlackNET
0a8839b793adedb6f3b7882cd3ff2aca653b29aefe4091969bceffae430b6eaf
BlackNET
34fbf4f0c282b6c22b916ada0351fbb6d9208bbf8501843092639ae26abac482
BlackNET
52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0
BlackNET
662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3
BlackNET
e64376fdce40bf0d5677f2bc7d28fc37e7f60b95824188e71ec27e27bcec1d77
BlackNET
+ 52 additional samples on MalwareBazaar
Result
Malware family:
blacknet
Create hunting rule
Score:
  10/10
Tags:
family:blacknet botnet:windows update evasion persistence trojan
Link:
https://tria.ge/reports/240303-13xjdshf51/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Windows security modification
BlackNET
BlackNET payload
Contains code to disable Windows Defender
Modifies Windows Defender Real-time Protection settings
Unpacked files
SH256 hash:
eecb4035c620f07749f4627e6c7243dd4053b4918c6d76e236374900d0dace3b
MD5 hash:
d867a6939e03ff1ccf63605dddea632e
SHA1 hash:
b04f4689ac1ecd317387b28fad290f15a68878d9
Detections:
BlackNetRAT
Create hunting rule
win_blacknet_rat_w0
Create hunting rule
Gen_Base64_EXE
Create hunting rule
HKTL_NET_GUID_BlackNET
Create hunting rule
SUSP_Modified_SystemExeFileName_in_File
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
INDICATOR_SUSPICIOUS_DisableWinDefender
Create hunting rule
MALWARE_Win_BlackNET
Create hunting rule
Link:
https://www.unpac.me/results/892a6133-a55d-465a-a447-f740c6b33653/
Parent samples :
662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3
eecb4035c620f07749f4627e6c7243dd4053b4918c6d76e236374900d0dace3b
SH256 hash:
662344d80ecad59d7c9d4e0ad6864f8ccbbdf1a73321bc3ffeb24e5cec3e1bf3
MD5 hash:
ad5d8a274eaff455047d801ee9b6231f
SHA1 hash:
1a43eb1ae77914cb58e6cffc8a4e8a1eebfee7d2
Link:
https://www.unpac.me/results/892a6133-a55d-465a-a447-f740c6b33653/
Malware family:
BlackWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/662344d80eca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments