MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c9bb93dc2c9f841e58db43ba7dedd490cf7e0fd9e66c4b56a888e25e93a510c. 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



Ransomware.LockBit


Vendor detections: 17


Intelligence 17 IOCs YARA 5 File information Comments

SHA256 hash: 2c9bb93dc2c9f841e58db43ba7dedd490cf7e0fd9e66c4b56a888e25e93a510c
SHA3-384 hash: 4ea298218e1c12bc9495a1cdab33f83b7d3e7eea72f965e3fee544ed347021a050539fed7c29513158559691a0100e02
SHA1 hash: 4238bb0dbb97c3bcd11cfba3ea2614d72c85c4bd
MD5 hash: 41050b2b9f619cdd9916e3bdd5b9f2f9
humanhash: maine-artist-kansas-sink
File name:2025-04-18_41050b2b9f619cdd9916e3bdd5b9f2f9_darkside_elex_lockbit.exe
Download: download sample
Signature Ransomware.LockBit
File size:156'672 bytes
First seen:2025-04-18 12:22:11 UTC
Last seen:2025-04-21 06:43:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (43 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:H6glyuxE4GsUPnliByocWepjLW9lyNX0bzEvH32Qv:H6gDBGpvEByocWedq/VzFG
Threatray 253 similar samples on MalwareBazaar
TLSH T16AE36E21F213D0B3C87718F13736B5B1B39E8E2C19996447EAD80F99BCA58232F45997
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 zhuzhu0009
Tags:exe Ransomware.LockBit

Intelligence


File Origin
# of uploads :
2
# of downloads :
539
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
2025-04-18_41050b2b9f619cdd9916e3bdd5b9f2f9_darkside_elex_lockbit
Verdict:
Malicious activity
Analysis date:
2025-04-18 09:45:10 UTC
Tags:
ransomware stealer lockbit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
ransomware virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a service
Changing a file
Creating 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
Using the Windows Management Instrumentation requests
Modifies multiple files
Creating a file in the %temp% directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying an executable file
Stealing user critical data
Forced shutdown of a browser
Encrypting user's files
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
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)
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
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1668340 Sample: T6N74L5zlE.exe Startdate: 18/04/2025 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 4 other signatures 2->42 8 T6N74L5zlE.exe 20 1001 2->8         started        process3 file4 20 DESKTOP-AGET0TR-20...-1309.log.3T2S47O5t, DOS 8->20 dropped 22 DESKTOP-AGET0TR-20...-1305.log.3T2S47O5t, DOS 8->22 dropped 24 onenote.x-none.msi....vreg.dat.3T2S47O5t, DOS 8->24 dropped 26 152 other files (145 malicious) 8->26 dropped 44 Found Tor onion address 8->44 46 Writes a notice file (html or txt) to demand a ransom 8->46 48 Overwrites Mozilla Firefox settings 8->48 50 3 other signatures 8->50 12 6B0F.tmp 8->12         started        signatures5 process6 file7 28 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 12->28 dropped 30 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), data 12->30 dropped 32 C:\Users\user\Desktop\XXXXXXXXXXXXXX (copy), data 12->32 dropped 34 24 other malicious files 12->34 dropped 52 Contains functionality to detect hardware virtualization (CPUID execution measurement) 12->52 54 Writes many files with high entropy 12->54 56 Hides threads from debuggers 12->56 58 Deletes itself after installation 12->58 16 cmd.exe 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2025-04-18 09:45:12 UTC
File Type:
PE (Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit defense_evasion discovery ransomware spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
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 (7688) files with added filename extension
Verdict:
Suspicious
Tags:
ransomware lockbit Win.Ransomware.BlackMatter-9965914-0
YARA:
Windows_Ransomware_Lockbit_369e1e94 LockBit3
Unpacked files
SH256 hash:
2c9bb93dc2c9f841e58db43ba7dedd490cf7e0fd9e66c4b56a888e25e93a510c
MD5 hash:
41050b2b9f619cdd9916e3bdd5b9f2f9
SHA1 hash:
4238bb0dbb97c3bcd11cfba3ea2614d72c85c4bd
Malware family:
BrainCipher
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:lb_stack_string_decrypt_1
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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.

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::LoadLibraryW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateMenu

Comments