MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1
SHA3-384 hash: f0e0024a9ed76c189d1c009b596003963c37937b5fde877e9f9874f4fb089c5a74ca6a6512fd685bb876e5bcae5a0ca3
SHA1 hash: 4aecea5c921c519d3d147ece9756b80e3d6ee836
MD5 hash: 342d38c93bb4908a799377eb37ec247c
humanhash: uniform-georgia-winter-floor
File name:2023-05-09_342d38c93bb4908a799377eb37ec247c_darkside
Download: download sample
Signature BlackMatter
Create hunting rule
File size:157'184 bytes
First seen:2023-05-10 03:13:56 UTC
Last seen:2023-05-13 22:41:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 914685b69f2ac2ff61b6b0f1883a054d (34 x BlackMatter, 15 x LockBit, 1 x BlackMatte)
ssdeep 3072:IqJogYkcSNm9V7DipJL1rrpDkQkYiydT:Iq2kc4m9tDoLVrpIQkYi
Threatray 2'632 similar samples on MalwareBazaar
TLSH T18FE37C21F11ED0B3C47718F22726A17EB3EA4D2C0AA57947DAD80F48BCA49232F4595F
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 :
161
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LB3.exe
Verdict:
Malicious activity
Analysis date:
2023-05-08 14:43:32 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/30bef5f8-1e66-4aa5-a6f9-33fe0e35ebcc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/387970/
Detection(s):
Win.Ransomware.BlackMatter-9970818-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Creating a window
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
Forced shutdown of a browser
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/645b0c00d054a0b0ef846c3e/reports/590236cf-c277-4237-adb1-b79c4957164b/overview
Verdict:
Malicious
Labled as:
Mint.Zard.Generic
Link:
https://www.hybrid-analysis.com/sample/92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fcf4d9a0-34f6-4bca-8c35-904c5bf106e5
Result
Threat name:
LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229679
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862660 Sample: cM8r0A9J1X.exe Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 7 other signatures 2->46 8 cM8r0A9J1X.exe 19 502 2->8         started        12 ONENOTE.EXE 30 343 2->12         started        process3 file4 24 C:\Users\user\...\tmp6760.tmp.jacVIbgGE, Unknown 8->24 dropped 26 C:\Users\user\...\flapper.gif.jacVIbgGE, Unknown 8->26 dropped 28 C:\Users\user\...\craw_window.js.jacVIbgGE, Unknown 8->28 dropped 30 63 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 2 other signatures 8->54 14 C166.tmp 1 8->14         started        18 splwow64.exe 1 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\cM8r0A9J1X.exe, data 14->32 dropped 34 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 14->34 dropped 36 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), data 14->36 dropped 38 24 other malicious files 14->38 dropped 56 Contains functionality to detect hardware virtualization (CPUID execution measurement) 14->56 58 Writes many files with high entropy 14->58 60 Hides threads from debuggers 14->60 62 Deletes itself after installation 14->62 20 cmd.exe 14->20         started        signatures8 process9 process10 22 conhost.exe 20->22         started       
Detection:
lockbit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2023-05-09 02:14:02 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=skat6pbjooqa3rzy64vm34ybj2iuckfewqt53zobtzz2q627hdiq._file
Verdict:
malicious
Similar samples:
0e9f24d9b122f16a0817890872ab88e91cfddeaf1bac8a1e41a724f5eadd9ad5
BlackMatter
2829c9ce2041e1694f1bd55efc1d1096ade843da8fb6665b92c3c21efa538642
BlackMatter
3546926360ce335048cccdcd09ac261e37343d32e1c55d1c33207452b12972cc
BlackMatter
4110ad75016f47236031c552c464d259b301e6ce07c462961fb2d7d6fc976ca8
BlackMatter
99d3003cc577c3635bcbb883634037469b35c3b1a31109dc145600bb1e683d4b
BlackMatter
ab14946e5c64f18b74701ef15fef5db8ec4f61c43e7032e0493645c932777eb1
BlackMatter
f41abd588cef0ed3e46f91c73014cc17327200fb41ce2deafaacde023fedfe01
BlackMatter
+ 2'622 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Link:
https://tria.ge/reports/230510-drbq8aea94/
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:
92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1
MD5 hash:
342d38c93bb4908a799377eb37ec247c
SHA1 hash:
4aecea5c921c519d3d147ece9756b80e3d6ee836
Link:
https://www.unpac.me/results/7607c1b3-d810-4be2-a832-1e7126a28a56/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/92813f3c2973/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/92813f3c2973a00dc738f72acdf3014e914128a4b427dde5c19e73a87b5f38d1

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
Create hunting rule
Author:Rony (@r0ny_123)
Description:Detects Blackmatter ransomware
Rule name:Darkside
Create hunting rule
Author:@bartblaze
Description:Identifies Darkside ransomware.
Rule name:Windows_Ransomware_Lockbit_369e1e94
Create hunting rule
Author:Elastic Security

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/387970/

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