MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3546926360ce335048cccdcd09ac261e37343d32e1c55d1c33207452b12972cc. 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: 3546926360ce335048cccdcd09ac261e37343d32e1c55d1c33207452b12972cc
SHA3-384 hash: e5026828d1d61f6543e7a3e87cf25c786d8aa209be3bc822be71f8f564ae1e71d622cc9f61bca3398ca42855eae0882f
SHA1 hash: f3b6a364743d935605a822bf90afd29444cb0f6b
MD5 hash: f0d3f569b12feba735a61d2edfb95c3f
humanhash: freddie-bluebird-jersey-beer
File name:2023-04-07_f0d3f569b12feba735a61d2edfb95c3f_darkside
Download: download sample
Signature BlackMatter
File size:157'184 bytes
First seen:2023-04-09 03:12:24 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:DqJogYkcSNm9V7DAPrMhm2swkQxptuNTAPC3T:Dq2kc4m9tDA8swh5ZP
Threatray 31 similar samples on MalwareBazaar
TLSH T138E36B21F15ED0B3C47718F22726B17DB3AA4D2C0AA67847E6D50F88BCA49232F4595F
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 :
167
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-04-07_f0d3f569b12feba735a61d2edfb95c3f_darkside
Verdict:
Malicious activity
Analysis date:
2023-04-09 03:13:28 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
Searching for the window
Creating a file
Сreating synchronization primitives
Launching a service
Creating a window
Using the Windows Management Instrumentation requests
Changing a file
Moving a recently created file
Delayed writing of the 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
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter lockbit packed xpack
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:
LockBit ransomware
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Writes to foreign memory regions
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 843699 Sample: 6beTDB5d2a.exe Startdate: 09/04/2023 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 6 other signatures 2->46 8 6beTDB5d2a.exe 22 502 2->8         started        12 ONENOTE.EXE 27 34 2->12         started        process3 file4 24 C:\Users\user\...\tmp571F.tmp.b1iO9i2jH, Unknown 8->24 dropped 26 C:\Users\user\AppData\...\ArmUI.ini.b1iO9i2jH, Unknown 8->26 dropped 28 C:\...\HxCommAlwaysOnLog_Old.etl.b1iO9i2jH, Unknown 8->28 dropped 30 66 other malicious files 8->30 dropped 48 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->48 50 Writes a notice file (html or txt) to demand a ransom 8->50 52 Writes to foreign memory regions 8->52 54 2 other signatures 8->54 14 E7CF.tmp 1 8->14         started        18 splwow64.exe 1 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 14->32 dropped 34 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), data 14->34 dropped 36 C:\Users\user\Desktop\XXXXXXXXXXXXXX (copy), data 14->36 dropped 38 24 other malicious files 14->38 dropped 56 Antivirus detection for dropped file 14->56 58 Contains functionality to detect hardware virtualization (CPUID execution measurement) 14->58 60 Writes many files with high entropy 14->60 62 2 other signatures 14->62 20 cmd.exe 1 14->20         started        signatures8 process9 process10 22 conhost.exe 20->22         started       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-04-06 09:23:56 UTC
File Type:
PE (Exe)
AV detection:
33 of 37 (89.19%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Behaviour
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies extensions of user files
Lockbit
Unpacked files
SH256 hash:
3546926360ce335048cccdcd09ac261e37343d32e1c55d1c33207452b12972cc
MD5 hash:
f0d3f569b12feba735a61d2edfb95c3f
SHA1 hash:
f3b6a364743d935605a822bf90afd29444cb0f6b
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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