MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5d49fbe4f955416afe5db8c735638cedde326347757e8c57323305480568418. 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 4 File information Comments 1

SHA256 hash: d5d49fbe4f955416afe5db8c735638cedde326347757e8c57323305480568418
SHA3-384 hash: 424f24ccf473cb6a43d05485ca124cf0cb3c176b2ef5f26097dda64fb9850c2b13dce13e4ab4d7e507a6b96ea858d7c8
SHA1 hash: 173089f18ef521b89516319117bf545d33f2e657
MD5 hash: 9a2e880c5c4fcbecf71014de4bbeb2db
humanhash: red-solar-carolina-low
File name:9a2e880c5c4fcbecf71014de4bbeb2db
Download: download sample
Signature BlackMatter
File size:149'504 bytes
First seen:2024-03-29 04:11:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 41fb8cb2943df6de998b35a9d28668e8 (43 x BlackMatter, 9 x LockBit, 1 x DragonForce)
ssdeep 3072:m6glyuxE4GsUPnliByocWepc8HtoTc0U7DF:m6gDBGpvEByocWeFNh0GDF
Threatray 340 similar samples on MalwareBazaar
TLSH T15DE37D11F212D0B3C83718F13736B5B2F39E4E2C19A96847EAE80F59BC658236F45997
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)
Reporter zbetcheckin
Tags:32 BlackMatter exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
385
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
d5d49fbe4f955416afe5db8c735638cedde326347757e8c57323305480568418.exe
Verdict:
Malicious activity
Analysis date:
2024-03-29 04:14:26 UTC
Tags:
ransomware lockbit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a window
Сreating synchronization primitives
Launching a service
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
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Stealing user critical data
Creating a file in the mass storage device
Forced shutdown of a browser
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.phis.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Changes the wallpaper picture
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found potential ransomware demand text
Found ransom note / readme
Found Tor onion address
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 domain / URL
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Tries to harvest and steal browser information (history, passwords, etc)
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: 1417364 Sample: kDRn5EwG6a.exe Startdate: 29/03/2024 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 6 other signatures 2->46 8 kDRn5EwG6a.exe 32 1002 2->8         started        12 ONENOTE.EXE 2->12         started        process3 file4 24 C:\Users\user\AppData\...\prefs.js.ETx6kDWq1, DOS 8->24 dropped 26 Microsoft_Windows_ControlPanel.ETx6kDWq1, DOS 8->26 dropped 28 Microsoft_Office_O...TE_EXE_15.ETx6kDWq1, DOS 8->28 dropped 30 230 other files (226 malicious) 8->30 dropped 48 Found potential ransomware demand text 8->48 50 Found Tor onion address 8->50 52 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->52 54 7 other signatures 8->54 14 8234.tmp 8->14         started        18 splwow64.exe 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\kDRn5EwG6a.exe, data 14->32 dropped 34 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), data 14->34 dropped 36 C:\Users\user\Desktop\YYYYYYYYYYYYYY (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:
2024-03-29 07:08:28 UTC
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
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 (314) files with added filename extension
Unpacked files
SH256 hash:
d5d49fbe4f955416afe5db8c735638cedde326347757e8c57323305480568418
MD5 hash:
9a2e880c5c4fcbecf71014de4bbeb2db
SHA1 hash:
173089f18ef521b89516319117bf545d33f2e657
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: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

BlackMatter

Executable exe d5d49fbe4f955416afe5db8c735638cedde326347757e8c57323305480568418

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

Comments



Avatar
zbet commented on 2024-03-29 04:11:26 UTC

url : hxxp://twizt.net/lb.exe