MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a3e61eab1551f1459ec1a0303f5b37b981161c21bf7d1818893415711e52cc1. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 5a3e61eab1551f1459ec1a0303f5b37b981161c21bf7d1818893415711e52cc1
SHA3-384 hash: bc5785fa559e5afbc9610c15447bb6bac7fa520083c7b378ad320599eacf170307c79b4c3dd5ffd8f019d0374fc5d002
SHA1 hash: 846bccbb4bdff1ab40ef1071b0ec0733f60a100c
MD5 hash: a6d2d9b4a56b14abab9eee08e63b0a14
humanhash: ack-montana-music-berlin
File name:file
Download: download sample
Signature BlackMatter
File size:149'504 bytes
First seen:2026-01-23 07:00:41 UTC
Last seen:2026-01-29 07:44:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (82 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:C6glyuxE4GsUPnliByocWeplHSu6Wpal:C6gDBGpvEByocWeLHS8
TLSH T1D8E36D21F112D073C83718F12736B5B2F39E4E2C29A96847DAE80F5DBCA58236F15997
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) (4504/4/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Bitsight
Tags:BlackMatter dropped-by-phorpiex exe


Avatar
Bitsight
url: http://195.178.136.19/6.exe

Intelligence


File Origin
# of uploads :
267
# of downloads :
131
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
LockBit
Details
LockBit
a PCG-lockbit seed, a RSA public key modulus, flags, hashes for excluded folders, files, and extensions, hashes for computer names, killed processes and services, a list of credentials, a ransom note, and information parsed from the ransom note
Malware family:
lockbit
ID:
1
File name:
_5a3e61eab1551f1459ec1a0303f5b37b981161c21bf7d1818893415711e52cc1.exe
Verdict:
Malicious activity
Analysis date:
2026-01-23 07:10:56 UTC
Tags:
auto-download lockbit ransomware darkside braincipher arch-scr

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
infosteal spawn
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-23T04:17:00Z UTC
Last seen:
2026-01-23T12:54:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Ransom.Win32.Generic VHO:Trojan-Ransom.Win32.Agent.gen VHO:Trojan-Ransom.Win32.Convagent.gen Trojan-Ransom.Win32.Agent.sb Trojan.Win32.Inject.sb VHO:Trojan-Ransom.Win32.Lockbit.gen Trojan-Ransom.Win32.BlackMatter.d Trojan-Ransom.Win32.Encoder.sb Trojan-Dropper.Win32.Dycler Trojan-Dropper.Win32.Dapato.sb Trojan.Win32.Udochka.sb Trojan-Ransom.Win32.Lockbit.tre PDM:Trojan.Win32.Generic Trojan.Win32.Zapchast.bgvs Trojan.Win32.Agent.sb
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2026-01-23 07:01:51 UTC
File Type:
PE (Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
lockbit
Similar samples:
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit defense_evasion discovery 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
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Enumerates connected drives
Indicator Removal: File Deletion
Checks computer location settings
Deletes itself
Executes dropped EXE
Reads user/profile data of web browsers
Renames multiple (608) files with added filename extension
Unpacked files
SH256 hash:
5a3e61eab1551f1459ec1a0303f5b37b981161c21bf7d1818893415711e52cc1
MD5 hash:
a6d2d9b4a56b14abab9eee08e63b0a14
SHA1 hash:
846bccbb4bdff1ab40ef1071b0ec0733f60a100c
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:lb_stack_string_decrypt_1
Author:CTI Purple Team
Description:This rule detects the code pattern of the Stack Strings decryption algorithm.
Rule name:Windows_Ransomware_Lockbit_369e1e94
Author:Elastic Security

File information


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

Web download

BlackMatter

Executable exe 5a3e61eab1551f1459ec1a0303f5b37b981161c21bf7d1818893415711e52cc1

(this sample)

  
Dropped by
Phorpiex
  
Delivery method
Distributed via web download

Comments