MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2829c9ce2041e1694f1bd55efc1d1096ade843da8fb6665b92c3c21efa538642. 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: 2829c9ce2041e1694f1bd55efc1d1096ade843da8fb6665b92c3c21efa538642
SHA3-384 hash: 69ad42dbdb50e2b33a2f7e25baceca6e4086a405da8f2349d5f75b7267b8cc7325876949fd02428162a44fafda4d4217
SHA1 hash: 4ec39adad42224f636a5acca7d58cf4aad00ec57
MD5 hash: e88d82cd1b13cbd9c20ff57e26038d33
humanhash: violet-red-table-timing
File name:2023-04-07_e88d82cd1b13cbd9c20ff57e26038d33_darkside
Download: download sample
Signature BlackMatter
File size:157'188 bytes
First seen:2023-04-09 03:12:23 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:aqJogYkcSNm9V7DAPrMhm2swkQxptuNTAPC3T:aq2kc4m9tDA8swh5ZP
Threatray 31 similar samples on MalwareBazaar
TLSH T18AE36B21F15ED0B3C47718F22726B17DB3AA4D2C0AA67847E6D50F88BCA49232F4595F
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 :
166
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-04-07_e88d82cd1b13cbd9c20ff57e26038d33_darkside
Verdict:
Malicious activity
Analysis date:
2023-04-09 03:11:09 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
Delayed writing of the 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
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter lockbit overlay 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:
LockBit ransomware
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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: 843701 Sample: UqxZVPyf5K.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 UqxZVPyf5K.exe 22 502 2->8         started        12 ONENOTE.EXE 29 341 2->12         started        process3 file4 24 C:\b1iO9i2jH.README.txt, Unknown 8->24 dropped 26 C:\Users\user\b1iO9i2jH.README.txt, Unknown 8->26 dropped 28 C:\Users\user\Videos\b1iO9i2jH.README.txt, Unknown 8->28 dropped 30 53 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 793A.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 Contains functionality to detect hardware virtualization (CPUID execution measurement) 14->56 58 Writes many files with high entropy 14->58 60 Hides threads from debuggers 14->60 62 Deletes itself after installation 14->62 20 cmd.exe 14->20         started        signatures8 process9 process10 22 conhost.exe 20->22         started       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-04-06 10:04:00 UTC
File Type:
PE (Exe)
AV detection:
31 of 37 (83.78%)
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
Modifies Control Panel
Modifies registry class
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
Sets desktop wallpaper using registry
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
Lockbit
Unpacked files
SH256 hash:
2829c9ce2041e1694f1bd55efc1d1096ade843da8fb6665b92c3c21efa538642
MD5 hash:
e88d82cd1b13cbd9c20ff57e26038d33
SHA1 hash:
4ec39adad42224f636a5acca7d58cf4aad00ec57
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.

Comments