MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab14946e5c64f18b74701ef15fef5db8ec4f61c43e7032e0493645c932777eb1. 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



BlackMatter


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: ab14946e5c64f18b74701ef15fef5db8ec4f61c43e7032e0493645c932777eb1
SHA3-384 hash: a9828b446a14c69a937a5d13b82bc459c9d75bdcea9a764e7be009f983715cf6c8175755cf212876da162d7cc3c63473
SHA1 hash: 56869d4d7f1d7b995bd89c3e3f26faa98d704e31
MD5 hash: 1288b9f093d9ff68e64f3a6dc4467662
humanhash: april-sad-nevada-lima
File name:2023-04-07_1288b9f093d9ff68e64f3a6dc4467662_darkside
Download: download sample
Signature BlackMatter
File size:149'504 bytes
First seen:2023-04-09 03:12:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 914685b69f2ac2ff61b6b0f1883a054d (34 x BlackMatter, 15 x LockBit, 1 x BlackMatte)
ssdeep 3072:+qJogYkcSNm9V7DELjU4cGCFLSv+W/+XuT:+q2kc4m9tDM40Cwv+W
Threatray 29 similar samples on MalwareBazaar
TLSH T1A1E35B21A15ED073D87718F12736B17DB3EA4D2C0AA57807EAD80F98BCA49232F4595F
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:BlackMatter

Intelligence


File Origin
# of uploads :
1
# of downloads :
176
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-04-07_1288b9f093d9ff68e64f3a6dc4467662_darkside
Verdict:
Malicious activity
Analysis date:
2023-04-09 03:13:29 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a service
Using the Windows Management Instrumentation requests
Changing a file
Creating a file
Moving a recently created file
Reading critical registry keys
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter lockbit packed zeroaccess
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:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-04-06 13:21:00 UTC
File Type:
PE (Exe)
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies extensions of user files
Unpacked files
SH256 hash:
ab14946e5c64f18b74701ef15fef5db8ec4f61c43e7032e0493645c932777eb1
MD5 hash:
1288b9f093d9ff68e64f3a6dc4467662
SHA1 hash:
56869d4d7f1d7b995bd89c3e3f26faa98d704e31
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:CRIME_WIN32_RANSOM_BLACKMATTER
Author:Rony (@r0ny_123)
Description:Detects Blackmatter ransomware
Rule name:Darkside
Author:@bartblaze
Description:Identifies Darkside ransomware.
Rule name:Windows_Ransomware_Lockbit_369e1e94
Author:Elastic Security
Rule name:win_lockbit_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.lockbit.

File information


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

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