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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05f9891bb4ca2b87b476e3d3f415e329a547d3cb65741b908cd570eb96575767. 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



LockBit


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 05f9891bb4ca2b87b476e3d3f415e329a547d3cb65741b908cd570eb96575767
SHA3-384 hash: 671f8b4ecf762fd7c22da693e3c91910dce9e4e1294b7a5c2f525d3726f5caeafe9460b7f26e652669e0450b6907c6d3
SHA1 hash: 6e79574a1fd0af774f985b3fcf646039d30cc7e8
MD5 hash: 95d8ef6aaeae33dae91636b2bde473b8
humanhash: romeo-tango-hydrogen-diet
File name:SecuriteInfo.com.Variant.Razy.458328.5318.7411
Download: download sample
Signature LockBit
File size:450'048 bytes
First seen:2024-08-10 11:44:59 UTC
Last seen:2024-08-13 08:33:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9929f072e286c8009cb223299a367762 (1 x LockBit)
ssdeep 6144:XsaeVjbUSAODc/mDHJKzBJvPKcQQfHAijx7TSig0yw6J:XsamHDDpuBhKX2jlGiyw6
TLSH T189A4F857A187891FD3B012B88410E7FD8616AFE9B93347237A6034E9E871B535C2B9F1
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 3f7d0b68f4982b58 (1 x LockBit, 1 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:BlackMatter DarkSide exe lockbit

Intelligence


File Origin
# of uploads :
2
# of downloads :
855
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
SecuriteInfo.com.Variant.Razy.458328.5318.7411
Verdict:
Malicious activity
Analysis date:
2024-08-10 11:46:58 UTC
Tags:
ransomware lockbit stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Execution Exploit Generic Network Other Ransomware Stealth Lockbit
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc lockbit microsoft_visual_cc packed
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware, TrojanRansom
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to inject code into remote processes
Deletes itself after installation
Found potential ransomware demand text
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Injects a PE file into a foreign processes
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
Overwrites Mozilla Firefox settings
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected TrojanRansom
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1490988 Sample: SecuriteInfo.com.Variant.Ra... Startdate: 10/08/2024 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 6 other signatures 2->52 9 SecuriteInfo.com.Variant.Razy.458328.5318.7411.exe 2->9         started        12 ONENOTE.EXE 2->12         started        process3 signatures4 66 Contains functionality to detect hardware virtualization (CPUID execution measurement) 9->66 68 Writes a notice file (html or txt) to demand a ransom 9->68 70 Contains functionality to inject code into remote processes 9->70 72 2 other signatures 9->72 14 SecuriteInfo.com.Variant.Razy.458328.5318.7411.exe 30 1002 9->14         started        18 WerFault.exe 9->18         started        process5 file6 38 Microsoft_AutoGene...04F645E5}.HdbtqCuyh, DOS 14->38 dropped 40 289DBE90018D682BDB...E538234FD.HdbtqCuyh, DOS 14->40 dropped 42 C:\Users\user\AppData\...\index.HdbtqCuyh, DOS 14->42 dropped 44 277 other files (274 malicious) 14->44 dropped 74 Found potential ransomware demand text 14->74 76 Found Tor onion address 14->76 78 Overwrites Mozilla Firefox settings 14->78 80 3 other signatures 14->80 20 5A1E.tmp 14->20         started        24 splwow64.exe 14->24         started        signatures7 process8 file9 30 ZZZZZZZZZZZZZZZZZZ...ZZZZZZZZZZZZ (copy), data 20->30 dropped 32 YYYYYYYYYYYYYYYYYY...YYYYYYYYYYYY (copy), data 20->32 dropped 34 XXXXXXXXXXXXXXXXXX...XXXXXXXXXXXX (copy), data 20->34 dropped 36 24 other malicious files 20->36 dropped 54 Contains functionality to detect hardware virtualization (CPUID execution measurement) 20->54 56 Writes many files with high entropy 20->56 58 Hides threads from debuggers 20->58 60 Deletes itself after installation 20->60 26 cmd.exe 20->26         started        62 Found potential ransomware demand text 24->62 64 Found Tor onion address 24->64 signatures10 process11 process12 28 conhost.exe 26->28         started       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2024-08-10 09:17:53 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery ransomware spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops desktop.ini file(s)
Indicator Removal: File Deletion
Checks computer location settings
Deletes itself
Executes dropped EXE
Reads user/profile data of web browsers
Renames multiple (620) files with added filename extension
Unpacked files
SH256 hash:
3934455289f9b1a4d37c785c89e8c177c58e20406e6f1a825b3b2ae19d665da2
MD5 hash:
04e651e75deb8edc024b8295532f5d3f
SHA1 hash:
d8660e404e98db706ae3b74fbb04d08a2ac7130b
Detections:
win_lockbit_auto Darkside
SH256 hash:
05f9891bb4ca2b87b476e3d3f415e329a547d3cb65741b908cd570eb96575767
MD5 hash:
95d8ef6aaeae33dae91636b2bde473b8
SHA1 hash:
6e79574a1fd0af774f985b3fcf646039d30cc7e8
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)

File information


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

Web download

LockBit

Executable exe 05f9891bb4ca2b87b476e3d3f415e329a547d3cb65741b908cd570eb96575767

(this sample)

  
Delivery method
Distributed via web download

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments