MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a2dca6efacc34720cbfeb2e75b15ee587bd2263f1720f63f373bc1632c603553. 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
| SHA256 hash: | a2dca6efacc34720cbfeb2e75b15ee587bd2263f1720f63f373bc1632c603553 |
|---|---|
| SHA3-384 hash: | 3777a0553ae7b996af70a66d427d366fbc4ca2fffd4235d6f2cc50fe50cd6f8b320d6331e214f7383757d5a749234abf |
| SHA1 hash: | be29a713dd9f68ea8ecb1ac7c0243880db790c32 |
| MD5 hash: | adac55670f8cc7cf9d131c1e8bc86744 |
| humanhash: | enemy-neptune-foxtrot-mars |
| File name: | file |
| Download: | download sample |
| Signature | BlackMatter |
| File size: | 149'504 bytes |
| First seen: | 2026-05-26 08:11:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 41fb8cb2943df6de998b35a9d28668e8 (106 x BlackMatter, 9 x LockBit, 1 x DragonForce) |
| ssdeep | 3072:U6glyuxE4GsUPnliByocWep7vGe7AfIY/280rr14fW:U6gDBGpvEByocWepn7AQK28O4e |
| Threatray | 2'410 similar samples on MalwareBazaar |
| TLSH | T107E36D11F212E0B3C83718F12B367572F39F8D2C19A96957EAD80F59BCA58232F05997 |
| TrID | 20.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.8% (.EXE) Win64 Executable (generic) (6522/11/2) 15.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.3% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | BlackMatter dropped-by-phorpiex exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
118
Origin country :
USVendor 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:
n/a
ID:
1
File name:
_a2dca6efacc34720cbfeb2e75b15ee587bd2263f1720f63f373bc1632c603553.exe
Verdict:
No threats detected
Analysis date:
2026-05-26 08:14:08 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
90.9%
Tags:
ransomware crypt remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Сreating synchronization primitives
Launching a service
Changing a 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
Modifies multiple files
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Using the Windows Management Instrumentation requests
Creating a window
Searching for the window
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a system process
Forced shutdown of a browser
Encrypting user's files
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Trojan.Ransom.BlackMatter
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan-Ransom.Win32.Encoder.sb Trojan-Ransom.Win32.Agent.sb Trojan-Dropper.Win32.Dapato.sb HEUR:Trojan-Ransom.Win32.Generic Trojan.Win32.Zapchast.bgvs Trojan.Win32.Inject.sb Trojan-Dropper.Win32.Dycler Trojan.Win32.Agent.sb Trojan-Ransom.Win32.Lockbit.tre
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Detection:
lockbit
Verdict:
Malicious
Threat:
Family.LOCKBIT
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2026-05-26 08:12:46 UTC
File Type:
PE (Exe)
AV detection:
33 of 36 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
lockbit
Similar samples:
+ 2'400 additional samples on MalwareBazaar
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 (970) files with added filename extension
Unpacked files
SH256 hash:
a2dca6efacc34720cbfeb2e75b15ee587bd2263f1720f63f373bc1632c603553
MD5 hash:
adac55670f8cc7cf9d131c1e8bc86744
SHA1 hash:
be29a713dd9f68ea8ecb1ac7c0243880db790c32
Detections:
triage_blackmatter_ransomware
triage_lockbit3_ransomware
triage_lockbit_ransomware
Malware family:
LockBit
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Detect_all_IPv6_variants |
|---|---|
| Author: | Bierchermuesli |
| Description: | Generic IPv6 catcher |
| 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: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| 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
Dropped by
Phorpiex
Delivery method
Distributed via web download
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