MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053. 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: 17

Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash:	f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053
SHA3-384 hash:	744dfc3b98c57f1722de085ad7bdccf5bd2f8a05ac1d0366945cc5d92b56cda0008ae7501af96ec01c39c5e3003ace87
SHA1 hash:	bb27f7e6cb3102c017c44a5bf8d86c16641e593b
MD5 hash:	06f96cb31a2b655835130a09387fb401
humanhash:	table-tango-gee-wisconsin
File name:	150016___Enc.exe
Download:	download sample
Signature	BlackMatter Create hunting rule
File size:	150'016 bytes
First seen:	2024-11-11 23:48:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	914685b69f2ac2ff61b6b0f1883a054d (38 x BlackMatter, 16 x LockBit, 1 x BlackMatte)
ssdeep	1536:jzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD11h0i9TJmr7kZd9V78ny3OxTIT:8qJogYkcSNm9V7D1pTJmr7ksy4IT
Threatray	229 similar samples on MalwareBazaar
TLSH	T139E37D21F25ED0B3D87718F12726B17DB3EA4D2C0AA57847EAD40F48ACA49232F4595F
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	Anonymous
Tags:	BlackMatter exe lockbit black Ransomware

Anonymous

Modification - AzureShard

Intelligence

File Origin

# of uploads :

# of downloads :

680

Origin country :

Vendor Threat Intelligence

Malware family:

lockbit

ID:

File name:

150016___Enc.exe

Verdict:

Malicious activity

Analysis date:

2024-11-11 23:51:13 UTC

Tags:

lockbit

Link:

https://app.any.run/tasks/dad41d56-e0dd-4800-8762-c4c6d3cb6c55

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Ransomware.BlackMatter-9970818-0

Win.Ransomware.Lazy-10003135-0

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6732982b0d3694d4fc4e8a37

Tags:

ransomware encoder virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file

Сreating synchronization primitives

Launching a service

Creating a window

Changing a file

Delayed writing of the 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

Using the Windows Management Instrumentation requests

Creating a file in the %temp% directory

Moving a file to 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

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint packed packed packer_detected

Link:

https://www.filescan.io/uploads/673297f1c8bfab7ed079ce7a/reports/6df2ea6f-3546-4b6e-adef-c6cbd66a7472/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053

Malware family:

BlackMatter Ransomware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9a73382d-1ac9-4ed3-8a87-b484f58aa070

Result

Threat name:

LockBit ransomware

Detection:

malicious

Classification:

rans.phis.spyw.evad.expl

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1554057

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 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:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053

Detection:

lockbit

Link:

https://mwdb.cert.pl/sample/f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053/

Threat name:

Win32.Ransomware.Lockbit

Status:

Malicious

First seen:

2024-11-11 23:49:10 UTC

File Type:

PE (Exe)

AV detection:

34 of 38 (89.47%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6t5q6kxatccq6kup7n3rvzggzcvkqeke7zjsfcrmahps2nbqobjq._file

Verdict:

malicious

Label(s):

lockbit

lockbit 3.0

Result

Malware family:

lockbit

Score:

10/10

Tags:

family:lockbit defense_evasion discovery ransomware spyware stealer

Link:

https://tria.ge/reports/241111-3tznhaymez/

Behaviour

Modifies Control Panel

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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 (7757) files with added filename extension

Process spawned unexpected child process

Malware Family:

n/a

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/41b65425-d913-4905-b8ab-a7588d27a71b

Unpacked files

SH256 hash:

f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053

MD5 hash:

06f96cb31a2b655835130a09387fb401

SHA1 hash:

bb27f7e6cb3102c017c44a5bf8d86c16641e593b

Link:

https://www.unpac.me/results/08eea96c-c0cb-4f66-86ad-72ae2ddd4c0f/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f4fb0f2ae098/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053

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:	Windows_Ransomware_Lockbit_369e1e94 Create hunting rule
Author:	Elastic Security

Rule name:	win_lockbit_auto Create hunting rule
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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::GetFileAttributesW
WIN_USER_API	Performs GUI Actions	USER32.dll::CreateWindowExW

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