MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46bb3df9a85c89c546cf5a01f5b8d7e9ae0d6bf4d92372c82d0764bb89dd5421. 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: 46bb3df9a85c89c546cf5a01f5b8d7e9ae0d6bf4d92372c82d0764bb89dd5421
SHA3-384 hash: 62ddf4eb7143e0bdba8fa2fb2667a9c9c69fe6ad2337cba76310879cd12e5754319552e8b12b890ba9b57df74c571c2f
SHA1 hash: a0d6eed4e60e11e579d0c0df7ef06c8c95ba56b0
MD5 hash: 17ff96bfcc045cee6e713d35bbd63472
humanhash: maine-october-london-steak
File name:file
Download: download sample
Signature BlackMatter
File size:149'504 bytes
First seen:2026-01-23 07:02:13 UTC
Last seen:2026-01-23 17:28:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (82 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:a6glyuxE4GsUPnliByocWepMcpy1M5Vyj+z0:a6gDBGpvEByocWeb95Vy
Threatray 2'255 similar samples on MalwareBazaar
TLSH T1C2E35D21B212D073C87718F13B36B572F39E8D6C29996817EAD80F9DBC648232F45997
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://195.178.136.19/20.exe

Intelligence


File Origin
# of uploads :
20
# of downloads :
119
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:
file
Verdict:
Malicious activity
Analysis date:
2026-01-23 07:03:05 UTC
Tags:
braincipher ransomware lockbit auto-download darkside 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:
ransomware spawn remo
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Gathering data
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 07:03:30 UTC
File Type:
PE (Exe)
AV detection:
33 of 36 (91.67%)
Threat level:
  5/5
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 (612) files with added filename extension
Unpacked files
SH256 hash:
46bb3df9a85c89c546cf5a01f5b8d7e9ae0d6bf4d92372c82d0764bb89dd5421
MD5 hash:
17ff96bfcc045cee6e713d35bbd63472
SHA1 hash:
a0d6eed4e60e11e579d0c0df7ef06c8c95ba56b0
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 46bb3df9a85c89c546cf5a01f5b8d7e9ae0d6bf4d92372c82d0764bb89dd5421

(this sample)

  
Dropped by
Phorpiex
  
Delivery method
Distributed via web download

Comments