MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757. 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
| SHA256 hash: | 6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757 |
|---|---|
| SHA3-384 hash: | 836f934965a652823a0cdc10346eb582d6ff312d3d563bb5fa89483557b37085cc1cfa67bcd2d55286fd9a56f4309d48 |
| SHA1 hash: | beca597f2c2c120c3d74163501a81f56664ff4f7 |
| MD5 hash: | c09185c157831e4915c255d7002941f4 |
| humanhash: | pasta-jupiter-uranus-illinois |
| File name: | 1.exe |
| Download: | download sample |
| Signature | BlackMatter |
| File size: | 150'528 bytes |
| First seen: | 2025-01-09 09:24:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 914685b69f2ac2ff61b6b0f1883a054d (38 x BlackMatter, 16 x LockBit, 1 x BlackMatte) |
| ssdeep | 3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF |
| Threatray | 235 similar samples on MalwareBazaar |
| TLSH | T19BE36B21E21ED0B3C47718F22726B57DB3EA4D2C0AA57843E6D50F88BCA49236F4595F |
| 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 |  zhuzhu0009 |
| Tags: | BlackMatter exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
498
Origin country :
CNVendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
ransomware
Verdict:
Malicious activity
Analysis date:
2025-01-09 08:33:56 UTC
Tags:
arch-scr lockbit stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
zeroaccess ransomware sage remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Launching a service
Changing a file
Creating a file
Delayed writing of the file
Using the Windows Management Instrumentation requests
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
Unauthorized injection to a recently created process
Creating a process from a recently created file
Modifying an executable file
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a system process
Moving of the original file
Forced shutdown of a browser
Encrypting user's files
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context fingerprint packed packed packer_detected zeroaccess
Verdict:
Malicious
Labled as:
Trojan.Generic
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found ransom note / readme
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 submitted file
Overwrites Mozilla Firefox settings
Tries to harvest and steal browser information (history, passwords, etc)
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
lockbit
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2024-11-21 14:30:05 UTC
File Type:
PE (Exe)
AV detection:
34 of 38 (89.47%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
lockbit
Similar samples:
+ 225 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Score:
10/10
Tags:
family:lockbit defense_evasion discovery ransomware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Renames multiple (350) files with added filename extension
Malware Family:
n/a
Verdict:
Malicious
Tags:
ransomware lockbit Win.Ransomware.BlackMatter-9970818-0
YARA:
Windows_Ransomware_Lockbit_369e1e94 LockBit3 MAL_RANSOM_Lockbit_Indicators_Feb24 MAL_RANSOM_LockBit_Indicators_Feb24_RID3362
Unpacked files
SH256 hash:
6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757
MD5 hash:
c09185c157831e4915c255d7002941f4
SHA1 hash:
beca597f2c2c120c3d74163501a81f56664ff4f7
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: | lb_apihashing_code_1 |
|---|---|
| Author: | 0x0d4y |
| Description: | This rule detects samples from the Lockbit3.0 (and BlackMatter) family unpacked in memory, identifying code reuse of key functions. |
| 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: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| 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.
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::GetFileAttributesW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::CreateWindowExW |
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