MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7caf7d69cef15d5c3b9983513e4e40edc3a31c5ead4139bc41d1500442a966a. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: f7caf7d69cef15d5c3b9983513e4e40edc3a31c5ead4139bc41d1500442a966a
SHA3-384 hash: 5994d5621987df6336c7970f59057c6cb98c2518d9cb94c5d0b9d4dd27b50824eca92b6c2a28e8ae63e9f7936b9f3861
SHA1 hash: 0e5e147a78296405fd52008d8dbe30997bb6aa88
MD5 hash: b7d9639f1f70059d9249516c0d03abc0
humanhash: pip-skylark-one-hot
File name:LB3.bin
Download: download sample
Signature BlackMatter
File size:156'160 bytes
First seen:2023-03-20 04:11:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (43 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:n6glyuxE4GsUPnliByocWepzSL6OuWnuxWWKoa2d:n6gDBGpvEByocWe0GZ
Threatray 934 similar samples on MalwareBazaar
TLSH T197E37E21F163D0B3C87718F13736B572B39E8E2C19996807EAD80F59BC648236F45997
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) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:BlackMatter

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LB3.exe
Verdict:
Malicious activity
Analysis date:
2023-03-19 17:57:49 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Сreating synchronization primitives
Launching a service
Creating a window
Changing a file
Moving a recently created 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
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Stealing user critical data
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
filecoder lockbit packed ransomware virus zeroaccess
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found ransom note / readme
Found Tor onion address
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 domain / URL
Multi AV Scanner detection for submitted file
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 830252 Sample: LB3.bin.exe Startdate: 20/03/2023 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 6 other signatures 2->46 8 LB3.bin.exe 19 502 2->8         started        12 ONENOTE.EXE 17 11 2->12         started        process3 file4 24 C:\Users\...\addressbook.acrodata.iQoHWzbmN, Unknown 8->24 dropped 26 C:\Users\user\...S_session_storei.iQoHWzbmN, Unknown 8->26 dropped 28 PhotosAppTracing_s...GMode.etl.iQoHWzbmN, Unknown 8->28 dropped 30 41 other malicious files 8->30 dropped 48 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->48 50 Writes a notice file (html or txt) to demand a ransom 8->50 52 Writes to foreign memory regions 8->52 54 3 other signatures 8->54 14 BD15.tmp 1 8->14         started        18 splwow64.exe 1 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\ZZZZZZZZZZZ (copy), data 14->32 dropped 34 C:\Users\user\Desktop\YYYYYYYYYYY (copy), data 14->34 dropped 36 C:\Users\user\Desktop\XXXXXXXXXXX (copy), data 14->36 dropped 38 24 other malicious files 14->38 dropped 56 Antivirus detection for dropped file 14->56 58 Contains functionality to detect hardware virtualization (CPUID execution measurement) 14->58 60 Writes many files with high entropy 14->60 62 2 other signatures 14->62 20 cmd.exe 1 14->20         started        signatures8 process9 process10 22 conhost.exe 20->22         started       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-03-20 01:27:32 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit 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
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies extensions of user files
Lockbit
Unpacked files
SH256 hash:
f7caf7d69cef15d5c3b9983513e4e40edc3a31c5ead4139bc41d1500442a966a
MD5 hash:
b7d9639f1f70059d9249516c0d03abc0
SHA1 hash:
0e5e147a78296405fd52008d8dbe30997bb6aa88
Detections:
win_lockbit_auto
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:Windows_Ransomware_Lockbit_369e1e94
Author:Elastic Security
Rule name:win_lockbit_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.lockbit.

File information


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

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