MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4
SHA3-384 hash: a19fb45e912225fa6a304c301834fac5684bfb284511c75c43db201d41961120ac75af2d894c56a6f5792d047f8d3d56
SHA1 hash: e44dc66e1aefca2dd48ef425945146f797d8cc30
MD5 hash: 5d7b0a10f00990c9965f33f07a8fd19f
humanhash: undress-king-coffee-robin
File name:8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4
Download: download sample
Signature BlackMatter
Create hunting rule
File size:150'016 bytes
First seen:2025-03-18 15:30:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 914685b69f2ac2ff61b6b0f1883a054d (34 x BlackMatter, 15 x LockBit, 1 x BlackMatte)
ssdeep 1536:kzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDg0wImi1Gr98a8bQRyV5hj5f8/x:rqJogYkcSNm9V7DXY8T/j5TOT
TLSH T1B8E36B21F15ED0B3D87718F22726B17DB3EA4D2C0AA66803E6D50F48BCA49232F5595F
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) (4504/4/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter JAMESWT_WT
Tags:BlackMatter exe Ransomware SuperBlack

Intelligence

File Origin
# of uploads :
1
# of downloads :
588
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4.zip
Verdict:
No threats detected
Analysis date:
2025-03-14 06:25:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b48f0158-dd30-4691-be7f-073566b4ac30

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d9983f194f23322a70cb8e
Tags:
zeroaccess ransomware remo sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Creating a window
Сreating synchronization primitives
Launching a service
Changing a file
Delayed writing of the 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
Modifies multiple files
Using the Windows Management Instrumentation requests
Creating a file in 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed packed packer_detected zeroaccess
Link:
https://www.filescan.io/uploads/67d991bcd2c4beeae92791db/reports/8020c276-dbbb-4e10-8e48-0993283ca08a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4
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/a4b81c3a-5e51-40fb-b40d-5de79c9d185e
Result
Threat name:
LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.phis.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1641950
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes the wallpaper picture
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Document exploit detected (process start blacklist hit)
Found potential ransomware demand text
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Joe Sandbox ML detected suspicious 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
Overwrites Mozilla Firefox settings
Tries to harvest and steal browser information (history, passwords, etc)
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: 1641950 Sample: 6qiesm1pH1.exe Startdate: 18/03/2025 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 7 other signatures 2->48 8 6qiesm1pH1.exe 22 1002 2->8         started        12 ONENOTE.EXE 2->12         started        process3 file4 26 C:\Users\user\Favorites\Live.url.RjqUGZi0a, DOS 8->26 dropped 28 C:\Users\user\...\SFPUSAFIOL.jpg.RjqUGZi0a, COM 8->28 dropped 30 {1AC14E77-02E7-4E5...rator_exe.RjqUGZi0a, COM 8->30 dropped 32 141 other malicious files 8->32 dropped 50 Found potential ransomware demand text 8->50 52 Found Tor onion address 8->52 54 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->54 56 6 other signatures 8->56 14 188C.tmp 8->14         started        18 splwow64.exe 8->18         started        20 DWWIN.EXE 12->20         started        signatures5 process6 file7 34 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 14->34 dropped 36 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), data 14->36 dropped 38 C:\Users\user\Desktop\XXXXXXXXXXXXXX (copy), data 14->38 dropped 40 24 other malicious files 14->40 dropped 58 Antivirus detection for dropped file 14->58 60 Multi AV Scanner detection for dropped file 14->60 62 Contains functionality to detect hardware virtualization (CPUID execution measurement) 14->62 64 3 other signatures 14->64 22 cmd.exe 14->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4
Detection:
lockbit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2025-01-31 20:22:44 UTC
File Type:
PE (Exe)
AV detection:
31 of 34 (91.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rvmwdtbr5lw2skp63qd3suc6zhr2nnduv63lodh2uh4iupjzml2a._file
Verdict:
malicious
Label(s):
lockbit
Create hunting rule
Similar samples:
error
BlackMatter
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit defense_evasion discovery ransomware spyware stealer
Link:
https://tria.ge/reports/250318-sx3jfsynx7/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Modifies Control Panel
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Renames multiple (314) files with added filename extension
Verdict:
Malicious
Tags:
ransomware lockbit Win.Ransomware.BlackMatter-9970818-0
YARA:
Windows_Ransomware_Lockbit_369e1e94 LockBit3 MAL_RANSOM_Lockbit_Indicators_Feb24 MAL_RANSOM_LockBit_Indicators_Feb24_RID3362
Link:
https://app.threat.zone/submission/31526886-d155-446a-b00c-950cc25c23eb
Unpacked files
SH256 hash:
8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4
MD5 hash:
5d7b0a10f00990c9965f33f07a8fd19f
SHA1 hash:
e44dc66e1aefca2dd48ef425945146f797d8cc30
Link:
https://www.unpac.me/results/2e013127-1db3-4756-9ac6-aea48caf2d16/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.72
Link:
https://yomi.yoroi.company/submissions/8d5961cc31eaeda929fedc07b9505ec9e3a6b474afb6b70cfaa1f88a3d3962f4

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:lb_apihashing_code_1
Create hunting rule
Author:0x0d4y
Description:This rule detects samples from the Lockbit3.0 (and BlackMatter) family unpacked in memory, identifying code reuse of key functions.
Rule name:lb_stack_string_decrypt_1
Create hunting rule
Author:CTI Purple Team
Description:This rule detects the code pattern of the Stack Strings decryption algorithm.
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::GetFileAttributesW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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