MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a56b41a6023f828cccaaef470874571d169fdb8f683a75edd430fbd31a2c3f6e. 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: 11
| SHA256 hash: | a56b41a6023f828cccaaef470874571d169fdb8f683a75edd430fbd31a2c3f6e |
|---|---|
| SHA3-384 hash: | 678b1c28bd8049e637192e8359173e252ea8e7f9f05fdd0667268497ce1e4b4d986fe5afa5dd2eb65096d004c56e11a4 |
| SHA1 hash: | 371353e9564c58ae4722a03205ac84ab34383d8c |
| MD5 hash: | 03b14473eef5b7e38d9a5041c1af0a76 |
| humanhash: | bravo-wisconsin-blossom-papa |
| File name: | a56b41a6023f828cccaaef470874571d169fdb8f683a75edd430fbd31a2c3f6e |
| Download: | download sample |
| Signature | BlackMatter |
| File size: | 165'888 bytes |
| First seen: | 2022-07-05 07:10:48 UTC |
| Last seen: | 2022-07-05 20:30:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a50a0d82b9120fc73965c28fea79e1f9 (4 x LockBit, 3 x BlackMatter) |
| ssdeep | 3072:o5uyulsHwDV1gFnTwn7zwJGJ+ut5kCI5Gzei3N2VzRmK:o5uZ1DPgFnk7EJwZI5gDN2VVm |
| Threatray | 12'876 similar samples on MalwareBazaar |
| TLSH | T165F36C227112D177C4A239F1B32A76A1B39D8E2C16A8A453FAF8DF0538778237F15947 |
| 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 |  cyb3rops |
| Tags: | BlackMatter exe lockbit |
Intelligence
File Origin
# of uploads :
2
# of downloads :
617
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a56b41a6023f828cccaaef470874571d169fdb8f683a75edd430fbd31a2c3f6e.zip
Verdict:
Suspicious activity
Analysis date:
2022-07-06 05:44:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
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 ransom note / readme
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Writes a notice file (html or txt) to demand a ransom
Writes to foreign memory regions
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Encoder
Status:
Malicious
First seen:
2022-07-04 18:38:17 UTC
File Type:
PE (Exe)
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 12'866 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
a56b41a6023f828cccaaef470874571d169fdb8f683a75edd430fbd31a2c3f6e
MD5 hash:
03b14473eef5b7e38d9a5041c1af0a76
SHA1 hash:
371353e9564c58ae4722a03205ac84ab34383d8c
Detections:
win_blackmatter_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: | LockBit3Detect_via_SectionPatterns |
|---|---|
| Author: | InterProbe Malware-Vulnerability Research Team |
| Description: | Detects new LockBit 3.0 variants |
| Rule name: | LockbitBlack_Loader |
|---|---|
| Author: | Zander Work |
| Description: | Hunting rule for the Lockbit Black loader, based on https://twitter.com/vxunderground/status/1543661557883740161 |
| Rule name: | win_blackmatter_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.blackmatter. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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