MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650
SHA3-384 hash: 48ec965616fe4d1f78f693951c3feb5c73df715da6b175eb5ac76c84df0ed28d7d55f67ffde4a3b00625f66d3a257eaa
SHA1 hash: d1669609fb605781218a19dd76630cd8eb3ee3f1
MD5 hash: b93f78a3953216d9d7b2641052ee2fbd
humanhash: paris-eight-oranges-ceiling
File name:Document.zip
Download: download sample
Signature BlackMatter
Create hunting rule
File size:104'746 bytes
First seen:2024-04-26 06:46:21 UTC
Last seen:2024-04-26 08:04:59 UTC
File type: zip
MIME type:application/zip
ssdeep 3072:Oe2faB+tjQs7HwYeFsbsTlwaZqid911YO4ESlbK:Oe2fgcwsGlh4inrYO4K
TLSH T1C8A302D76C91E6A0C203DEDC10665F695019B2AFA1D0AA7204FC9BDB8210B6F7F31D66
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:BlackMatter Ransomware.BlackMatter zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Jenny Green <Jenny@gsd.com>" (likely spoofed)
Received: "from [176.106.249.26] (unknown [176.106.249.26]) "
Date: "Fri, 26 Apr 2024 11:26:04 +0400"
Subject: "Your Document"
Attachment: "Document.zip"

Intelligence

File Origin
# of uploads :
4
# of downloads :
317
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Document.doc.scr
File size:199'168 bytes
SHA256 hash: 062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
MD5 hash: 50e5dec57451005668704281688ca55d
MIME type:application/x-dosexec
Signature Ransomware.BlackMatter
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter filecoder lockbit masquerade packed ransomware virus zeroaccess
Link:
https://www.filescan.io/uploads/662b4de7c5dabc22b2089e85/reports/ac6b11df-97dc-4244-ab5d-ede87bdf6ecb/overview
Verdict:
Malicious
Labled as:
HIDDENEXT/Worm.Generic
Link:
https://www.hybrid-analysis.com/sample/0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2024-04-25 02:18:41 UTC
File Type:
Binary (Archive)
Extracted files:
16
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=brjpoc2mgqbhiiedcdxrzhaj53rret5vqbr25ygaccuwixsbozia._file
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Link:
https://tria.ge/reports/240426-hn8c8sbc28/
Behaviour
Checks processor information in registry
Enumerates system info in registry
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
Drops file in System32 directory
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
Renames multiple (318) files with added filename extension
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.82
Link:
https://yomi.yoroi.company/submissions/0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650

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_stack_string_decrypt_0001
Create hunting rule
Author:CTI Purple Team
Description:This rule detects the code pattern of the Stack Strings decryption algorithm.
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:lb_stack_string_decrypt_100
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.

Malspam

Ransomware.BlackMatter

zip 0c52f70b4c340274208310ef1c9c09eee3124fb58063aee0c010a9645e417650

(this sample)

BlackMatter

Executable exe 062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
  
Dropping
Ransomware.BlackMatter

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