MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194
SHA3-384 hash: 65e17c3f80045b3fa59c9b76004bc7759e362b63b6646b143c6f228838822e7be4995495cf05534eb8818f3738b0000f
SHA1 hash: 58ab960e629a609d135e1988c72f2991e5f76e30
MD5 hash: 33228a20a7e985f02e2ddd73cccde729
humanhash: nuts-arkansas-item-zulu
File name:LB3
Download: download sample
Signature LockBit
File size:149'504 bytes
First seen:2023-06-21 14:08:50 UTC
Last seen:2023-07-16 15:16:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (43 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:36glyuxE4GsUPnliByocWepqFPUBwrqveV84:36gDBGpvEByocWe8MB4G
Threatray 59 similar samples on MalwareBazaar
TLSH T11FE37D21F213D073C83718F12736B5B2B3DE4E6C19AA6817DAD80F99BC658232F45997
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 jstrosch
Tags:black exe lockbit

Intelligence


File Origin
# of uploads :
2
# of downloads :
729
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://bazaar.abuse.ch/download/2cee882bd0dc4267bacf099ac4571c319ac547be12b955f7ccb2f0144ae40876/
Verdict:
Malicious activity
Analysis date:
2023-06-10 13:10:18 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 the window
Creating a file
Creating a window
Сreating synchronization primitives
Launching a service
Using the Windows Management Instrumentation requests
Changing a 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
Modifies multiple files
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter filecoder lockbit lockfile packed ransomware virus zeroaccess
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, TrojanRansom
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found ransom note / readme
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 dropped file
Multi AV Scanner detection for submitted file
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: 892098 Sample: LB3.exe Startdate: 21/06/2023 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 LB3.exe 19 501 2->8         started        process3 file4 20 C:\Users\user\...\2238758481.AFfGduKAp, COM 8->20 dropped 22 C:\Users\user\...\settings.dat.AFfGduKAp, COM 8->22 dropped 24 C:\Users\user\...\ReaderMessages.AFfGduKAp, DOS 8->24 dropped 26 58 other malicious files 8->26 dropped 44 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->44 46 Writes to foreign memory regions 8->46 48 Writes many files with high entropy 8->48 50 2 other signatures 8->50 12 CB51.tmp 1 8->12         started        signatures5 process6 file7 28 C:\Users\user\Desktop\ZZZZZZZ (copy), data 12->28 dropped 30 C:\Users\user\Desktop\YYYYYYY (copy), data 12->30 dropped 32 C:\Users\user\Desktop\XXXXXXX (copy), data 12->32 dropped 34 24 other malicious files 12->34 dropped 52 Antivirus detection for dropped file 12->52 54 Multi AV Scanner detection for dropped file 12->54 56 Contains functionality to detect hardware virtualization (CPUID execution measurement) 12->56 58 3 other signatures 12->58 16 cmd.exe 1 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2023-05-31 11:53:01 UTC
File Type:
PE (Exe)
AV detection:
32 of 37 (86.49%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Behaviour
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
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
Renames multiple (347) files with added filename extension
Renames multiple (630) files with added filename extension
Unpacked files
SH256 hash:
0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194
MD5 hash:
33228a20a7e985f02e2ddd73cccde729
SHA1 hash:
58ab960e629a609d135e1988c72f2991e5f76e30
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: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.

Web download

LockBit

Executable exe 0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194

(this sample)

  
Delivery method
Distributed via web download

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