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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: 105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398
SHA3-384 hash: 503dd88bdc98799d1732788dfb109dbbdc5af84b2fb509af1a3aae740fa30c9b838a8df9d37112c1fc45b3337b507489
SHA1 hash: 604025da6efc564ae2b3b92c33eb3a2995ca81a4
MD5 hash: a5f2eeb4c5cbb2c2ff3b103e304c4a37
humanhash: eleven-hydrogen-beer-magazine
File name:LB3.exe
Download: download sample
Signature LockBit
File size:150'016 bytes
First seen:2024-09-15 07:21:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 914685b69f2ac2ff61b6b0f1883a054d (36 x BlackMatter, 16 x LockBit, 1 x BlackMatte)
ssdeep 1536:NzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDrZ5bKzpnSPyZxedH4UnFgDXv0R:eqJogYkcSNm9V7DmSPNHnFsvCT
Threatray 224 similar samples on MalwareBazaar
TLSH T105E36C11F25ED0B3D47718F12726B17DB3EA4D2C0A6A6843EAD40F88BCA59232F4595F
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:119-28-78-133 exe lockbit

Intelligence


File Origin
# of uploads :
1
# of downloads :
830
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
LB3.exe
Verdict:
Malicious activity
Analysis date:
2024-08-26 17:51:25 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:
94.1%
Tags:
Execution Generic Other Ransomware Stealth Lockbit
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter filecoder fingerprint lockbit packed ransomware zeroaccess
Malware family:
BlackMatter Ransomware
Verdict:
Malicious
Result
Threat name:
LockBit ransomware
Detection:
malicious
Classification:
rans.phis.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found potential ransomware demand text
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 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: 1511404 Sample: LB3.exe Startdate: 15/09/2024 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 5 other signatures 2->46 8 LB3.exe 60 1001 2->8         started        12 ONENOTE.EXE 2->12         started        process3 file4 24 Microsoft_WindowsA...8bbwe!App.RCl10Ol9q, DOS 8->24 dropped 26 C:\Users\user\...\edbres00002.jrs.RCl10Ol9q, DOS 8->26 dropped 28 C:\...\STUDIO.ELM.RCl10Ol9q, DOS 8->28 dropped 30 221 other malicious files 8->30 dropped 48 Found potential ransomware demand text 8->48 50 Writes a notice file (html or txt) to demand a ransom 8->50 52 Overwrites Mozilla Firefox settings 8->52 54 3 other signatures 8->54 14 E5D9.tmp 8->14         started        18 splwow64.exe 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\ZZZZZZZ (copy), data 14->32 dropped 34 C:\Users\user\Desktop\YYYYYYY (copy), data 14->34 dropped 36 C:\Users\user\Desktop\XXXXXXX (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       
Threat name:
Win32.Ransomware.Lockbit
Status:
Malicious
First seen:
2024-08-22 09:10:44 UTC
File Type:
PE (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit defense_evasion discovery ransomware spyware stealer
Behaviour
Modifies Control Panel
Modifies registry class
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
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 (8913) files with added filename extension
Unpacked files
SH256 hash:
105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398
MD5 hash:
a5f2eeb4c5cbb2c2ff3b103e304c4a37
SHA1 hash:
604025da6efc564ae2b3b92c33eb3a2995ca81a4
Detections:
win_lockbit_auto Darkside
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_apihashing_code_1
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
Author:CTI Purple Team
Description:This rule detects the code pattern of the Stack Strings decryption algorithm.
Rule name:Windows_Ransomware_Lockbit_369e1e94
Author:Elastic Security
Rule name:win_lockbit_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.lockbit.

File information


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

Web download

LockBit

Executable exe 105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398

(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
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

Comments