MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01. 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: 12
| SHA256 hash: | f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01 |
|---|---|
| SHA3-384 hash: | 268b42cf0ebc796db08f0e6bea3edf2731bc48715ef2cae8b584527144bd143c880b9274f3e34c58b7bacbea53137aa3 |
| SHA1 hash: | d91aed5a66c9d81d158dd5f0974af111ffd2193f |
| MD5 hash: | bd1753c21a8f5df46d0fc15a6e955fc2 |
| humanhash: | quebec-carpet-whiskey-oregon |
| File name: | LB3.exe |
| Download: | download sample |
| Signature | BlackMatter |
| File size: | 150'528 bytes |
| First seen: | 2022-11-16 11:02:33 UTC |
| Last seen: | 2023-03-09 18:28:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 914685b69f2ac2ff61b6b0f1883a054d (34 x BlackMatter, 15 x LockBit, 1 x BlackMatte) |
| ssdeep | 1536:WzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDFS3bCp7SOmEFsmPnN5xWSQSI3b:tqJogYkcSNm9V7Do2lmEFzxWSQS+/T |
| Threatray | 15'569 similar samples on MalwareBazaar |
| TLSH | T12AE36C21F15ED0B3C83718F22726B17EB3EA4D2C1A656843E6D50F89BCA49232F4595F |
| TrID | 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.5% (.EXE) Win32 Executable (generic) (4505/5/1) 8.5% (.EXE) Win16/32 Executable Delphi generic (2072/23) 8.3% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  r3dbU7z |
| Tags: | BlackMatter exe lockbit Ransomware |
Intelligence
File Origin
# of uploads :
2
# of downloads :
661
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LB3.exe
Verdict:
Malicious activity
Analysis date:
2022-11-16 11:05:19 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file
Creating a window
Сreating synchronization primitives
Launching a service
Using the Windows Management Instrumentation requests
Changing a file
Delayed writing of the file
Moving a recently created 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
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
filecoder lockbit packed qadars ransomware windows 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:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Found ransom note / readme
Found Tor onion address
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
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Detection:
lockbit
Threat name:
Win32.Trojan.BlackMatter
Status:
Malicious
First seen:
2022-10-29 06:41:00 UTC
File Type:
PE (Exe)
AV detection:
26 of 26 (100.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 15'559 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
ransomware spyware stealer
Behaviour
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Modifies extensions of user files
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01
MD5 hash:
bd1753c21a8f5df46d0fc15a6e955fc2
SHA1 hash:
d91aed5a66c9d81d158dd5f0974af111ffd2193f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.16
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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