MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 338caf75b4244e0e798c6e3ba64ff5b2661f457d192424d4d17d37a709615e3a. 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: 13
| SHA256 hash: | 338caf75b4244e0e798c6e3ba64ff5b2661f457d192424d4d17d37a709615e3a |
|---|---|
| SHA3-384 hash: | e2cb18aba856ab8d29e91aa2d10ca498f3a0ed48b762150012a288307d2905dbab4d967a16d106143d80a8e79ca62e4d |
| SHA1 hash: | 0b153a1823abc8a58bcc9ae35f884fbf5a555df1 |
| MD5 hash: | f1924e9a2ebc3c7caef8ef1d447233dd |
| humanhash: | quebec-autumn-mirror-december |
| File name: | 2023-05-12_f1924e9a2ebc3c7caef8ef1d447233dd_darkside |
| Download: | download sample |
| Signature | BlackMatter |
| File size: | 163'328 bytes |
| First seen: | 2023-05-13 03:11:46 UTC |
| Last seen: | 2023-05-13 22:41:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 89b43582b27abefb2b74684ab12a2f8e (8 x BlackMatter, 5 x LockBit) |
| ssdeep | 3072:HuJ9OlKolUa1U197bzhVsmftsyAonkPedSdWYzn80zbauY:Hufj0zi1dNVsmftFnkPOwzW5 |
| Threatray | 2'773 similar samples on MalwareBazaar |
| TLSH | T1CEF38E21F113D0B3D42B18F12B367571B3AB8E2D1AA96413EAE41F59BCB1823EF14957 |
| 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 :
2
# of downloads :
246
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2023-05-12_f1924e9a2ebc3c7caef8ef1d447233dd_darkside
Verdict:
Malicious activity
Analysis date:
2023-05-13 03:17:17 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
Creating a file
Сreating synchronization primitives
Launching a service
Delayed writing of the file
Changing a file
Reading critical registry keys
Moving a recently created file
Using the Windows Management Instrumentation requests
Replacing files
Unauthorized injection to a recently created process
Creating a process from a recently created file
Sending a UDP request
Modifying an executable file
Creating a file in the mass storage device
Forced shutdown of a system process
Moving of the original file
Stealing user critical data
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
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)
Found malware configuration
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 dropped file
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:
Detection:
lockbit
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-05-12 15:21:47 UTC
File Type:
PE (Exe)
AV detection:
32 of 36 (88.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 2'763 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Score:
10/10
Tags:
family:lockbit ransomware
Behaviour
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Executes dropped EXE
Loads dropped DLL
Modifies extensions of user files
Lockbit
Unpacked files
SH256 hash:
338caf75b4244e0e798c6e3ba64ff5b2661f457d192424d4d17d37a709615e3a
MD5 hash:
f1924e9a2ebc3c7caef8ef1d447233dd
SHA1 hash:
0b153a1823abc8a58bcc9ae35f884fbf5a555df1
Verdict:
Malicious
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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