# 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

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
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: | 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): |
dhash icon | 9494b494d4aeaeac (732 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter | abuse_ch
Tags: | BlackNet exe

##### abuse_ch

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

## Intelligence

##### File Origin

# of uploads :
2
# of downloads :
404
Origin country :
NL

##### Vendor Threat Intelligence

Detection(s):
Win.Trojan.BlackNetRAT-7838854-0
Win.Malware.Ursu-9794593-0
ditekSHen.MALWARE.Win.Trojan.BlackNET.UNOFFICIAL

##### 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
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ccc41a51-bee9-46d4-a4cc-939f1a0a83c6

##### Result

Threat name:
BlackNET
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
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
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
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
win_blacknet_rat_w0
Gen_Base64_EXE
HKTL_NET_GUID_BlackNET
SUSP_Modified_SystemExeFileName_in_File
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
INDICATOR_SUSPICIOUS_DisableWinDefender
MALWARE_Win_BlackNET
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
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
Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name: | maldoc_find_kernel32_base_method_1
Author: | Didier Stevens (https://DidierStevens.com)

Rule name: | RIPEMD160_Constants
Author: | phoul (@phoul)
Description: | Look for RIPEMD-160 constants

Rule name: | SHA1_Constants
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.

No further information available

## 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

ID | Title | Severity
--- | --- | ---
CHECK_AUTHENTICODE | Missing Authenticode | high
CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high

##### Reviews

ID | Capabilities | Evidence
--- | --- | ---
GDI_PLUS_API | Interfaces with Graphics | gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipAlloc
WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle
WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::AllocConsole KERNEL32.dll::AttachConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW

## Comments

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