MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f. 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: 19


Intelligence 19 IOCs YARA 6 File information Comments

SHA256 hash: d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f
SHA3-384 hash: 7ea8225f70160db88ab8adad4c1ca3e1034d32d8b70fd7bc4e006fe2fa9fb5624d40739abbb9f75673e3f566d791129f
SHA1 hash: 07057ff4fd122bca513bbce0cbaa1174d50caf01
MD5 hash: ef8b996e4d7e84c179f8268f3d686195
humanhash: oxygen-mockingbird-freddie-rugby
File name:ef8b996e4d7e84c179f8268f3d686195.exe
Download: download sample
Signature BlackMatter
File size:149'504 bytes
First seen:2024-09-24 05:06:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 914685b69f2ac2ff61b6b0f1883a054d (34 x BlackMatter, 15 x LockBit, 1 x BlackMatte)
ssdeep 3072:gqJogYkcSNm9V7DXW5I4KNGHsOqhNDvtdT:gq2kc4m9tDXW5fdqh
TLSH T1BEE37C21B25ED073D87718F21726B17DB3EA4D2C1AA56843EAD90F48BCA48232F4595F
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 abuse_ch
Tags:BlackMatter exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
418
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
lockbit
ID:
1
File name:
ef8b996e4d7e84c179f8268f3d686195.exe
Verdict:
Malicious activity
Analysis date:
2024-09-24 05:37:09 UTC
Tags:
lockbit

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Exploit Generic Network Other Ransomware Stealth Lockbit Monitor Cryp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a service
Changing a file
Creating 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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
blackmatter filecoder fingerprint lockbit packed ransomware 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
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
Found Tor onion address
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Writes to foreign memory regions
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1516377 Sample: ZvrQSVNx08.exe Startdate: 24/09/2024 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 / Scanner detection for submitted sample 2->44 46 5 other signatures 2->46 8 ZvrQSVNx08.exe 30 1002 2->8         started        12 ONENOTE.EXE 2->12         started        process3 file4 24 DESKTOP-AGET0TR-20...-1020.log.iFnyJHFpx, COM 8->24 dropped 26 C:\Users\user\...\wctD87E.tmp.iFnyJHFpx, data 8->26 dropped 28 C:\Users\user\...\wct4E00.tmp.iFnyJHFpx, data 8->28 dropped 30 158 other files (148 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 5 other signatures 8->54 14 92FB.tmp 8->14         started        18 splwow64.exe 8->18         started        signatures5 process6 file7 32 C:\Users\user\Desktop\ZvrQSVNx08.exe, OpenPGP 14->32 dropped 34 C:\Users\user\Desktop\ZZZZZZZZZZZZZZ (copy), OpenPGP 14->34 dropped 36 C:\Users\user\Desktop\YYYYYYYYYYYYYY (copy), OpenPGP 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.Trojan.BlackMatter
Status:
Malicious
First seen:
2024-09-22 11:52:29 UTC
File Type:
PE (Exe)
AV detection:
34 of 38 (89.47%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
lockbit lockbit 3.0
Result
Malware family:
lockbit
Score:
  10/10
Tags:
family:lockbit defense_evasion discovery ransomware spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
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 System32 directory
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 (347) files with added filename extension
Verdict:
Malicious
Tags:
ransomware lockbit
YARA:
Windows_Ransomware_Lockbit_369e1e94 LockBit3 MAL_RANSOM_Lockbit_Indicators_Feb24
Unpacked files
SH256 hash:
d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f
MD5 hash:
ef8b996e4d7e84c179f8268f3d686195
SHA1 hash:
07057ff4fd122bca513bbce0cbaa1174d50caf01
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

BlackMatter

Executable exe d582110cd8a31d867e1a1eada4fb726acbbf960bed0aafeec854e455bc53403f

(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