MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83313da4c33e6c413933e577f94e86c575b54a4a2480cba90c3407c99c27113f. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 83313da4c33e6c413933e577f94e86c575b54a4a2480cba90c3407c99c27113f
SHA3-384 hash: 224756e53fbf4409ca377b2472615d7d10e574ceb5c40d4af7fe73a389822d97a2ac34c453db4e3c47f3accb5ed6e7f2
SHA1 hash: 09ab71d0c659a20d1fb32ece243b95369e5d7776
MD5 hash: 21f20a3b9d79750769bed240d415958e
humanhash: xray-juliet-apart-india
File name:file
Download: download sample
Signature BlackMatter
File size:149'504 bytes
First seen:2026-01-23 07:02:54 UTC
Last seen:2026-01-28 02:45:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (82 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:X6glyuxE4GsUPnliByocWeprlkos7yPR+:X6gDBGpvEByocWeleRy5
TLSH T134E36C21F212D0B3C83718F53B36B5B2F39E4E2C19AA6947DAD80F99BC658132F05597
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://195.178.136.19/27.exe

Intelligence


File Origin
# of uploads :
212
# of downloads :
143
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 02:22:02 UTC
Tags:
loader ransomware braincipher lockbit auto-download darkside

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
ransomware blic remo
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-23T04:23:00Z UTC
Last seen:
2026-01-23T12:54:00Z UTC
Hits:
~10
Detections:
Trojan-Ransom.Win32.Encoder.sb Trojan-Ransom.Win32.Agent.sb VHO:Trojan-Ransom.Win32.Lockbit.gen Trojan.Win32.Udochka.sb PDM:Trojan.Win32.Generic Trojan-Ransom.Win32.Lockbit.tre Trojan-Dropper.Win32.Dycler Trojan.Win32.Inject.sb Trojan-Dropper.Win32.Dapato.sb Trojan.Win32.Zapchast.bgvs VHO:Trojan-Ransom.Win32.Agent.gen Trojan.Win32.Agent.sb HEUR:Trojan-Ransom.Win32.Generic VHO:Trojan-Ransom.Win32.Convagent.gen Trojan-Ransom.Win32.BlackMatter.d
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 07:04:38 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 (734) files with added filename extension
Unpacked files
SH256 hash:
83313da4c33e6c413933e577f94e86c575b54a4a2480cba90c3407c99c27113f
MD5 hash:
21f20a3b9d79750769bed240d415958e
SHA1 hash:
09ab71d0c659a20d1fb32ece243b95369e5d7776
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 83313da4c33e6c413933e577f94e86c575b54a4a2480cba90c3407c99c27113f

(this sample)

  
Dropped by
Phorpiex
  
Delivery method
Distributed via web download

Comments