MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 daff7ba0e08e663f81f9b13a759221cb626b0e5cf45a6b17bb4d65663023cf78. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: daff7ba0e08e663f81f9b13a759221cb626b0e5cf45a6b17bb4d65663023cf78
SHA3-384 hash: e33300721fa44501a20e17e95d19d4e581c68b96bfeb2423fda7f4b3df339cf4b85e22ef85593cc611bc0f2b037fd55f
SHA1 hash: fb5d57360c7740a0aa56e2708374933c5f966fec
MD5 hash: 9c23d472126cbfe7f0da44f8795ded04
humanhash: sixteen-zebra-michigan-fruit
File name:RW.bin
Download: download sample
Signature BlackMatter
Create hunting rule
File size:148'992 bytes
First seen:2023-08-06 17:39:19 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:Z6glyuxE4GsUPnliByocWeppf/mp7Lh+G0uDA9:Z6gDBGpvEByocWebXS3hD9U
Threatray 3'424 similar samples on MalwareBazaar
TLSH T1D1E37E21B212D0B3C8371CF13736B572F39E4D2C19A96917DAE80F59BCA48136F45A97
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) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:BlackMatter

Intelligence

File Origin
# of uploads :
1
# of downloads :
196
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
lockbit
Create hunting rule
ID:
1
File name:
http://23.92.208.51:8080/RW.exe
Verdict:
Malicious activity
Analysis date:
2023-08-06 14:22:21 UTC
Tags:
loader ransomware lockbit
Link:
https://app.any.run/tasks/f8631874-112f-4814-b254-8aeede48c829

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/440904/
Detection(s):
Win.Ransomware.BlackMatter-9965914-0
Create hunting rule

Win.Ransomware.Lazy-10003135-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Launching a service
Using the Windows Management Instrumentation requests
Changing a file
Moving a recently created file
Creating a window
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
Moving a file to the %temp% directory
Stealing user critical data
Forced shutdown of a browser
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed zeroaccess
Link:
https://www.filescan.io/uploads/64cfdaf35bc43bf553b11648/reports/adb158bc-c187-4c8d-ba77-50c78cfe1042/overview
Verdict:
Malicious
Labled as:
Ransom.9E8FD934
Link:
https://www.hybrid-analysis.com/sample/daff7ba0e08e663f81f9b13a759221cb626b0e5cf45a6b17bb4d65663023cf78
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c052e5c5-b396-4ea8-bda6-aa7cbed8d69f
Result
Threat name:
Cryptolocker, LockBit ransomware
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1286719
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
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 dropped file
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Cryptolocker ransomware
Yara detected LockBit ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1286719 Sample: RW.bin.exe Startdate: 06/08/2023 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 8 RW.bin.exe 19 501 2->8         started        process3 file4 22 C:\Users\user\...\edb00001.log.gCfbxbtnv, DOS 8->22 dropped 24 C:\Users\user\...\8200946536.gCfbxbtnv, DOS 8->24 dropped 26 C:\Users\user\...\6577738837.gCfbxbtnv, COM 8->26 dropped 28 58 other malicious files 8->28 dropped 46 Contains functionality to detect hardware virtualization (CPUID execution measurement) 8->46 48 Writes to foreign memory regions 8->48 50 Writes many files with high entropy 8->50 52 2 other signatures 8->52 12 8D5D.tmp 1 8->12         started        16 splwow64.exe 8->16         started        signatures5 process6 file7 30 C:\Users\user\Desktop\ZZZZZZZZZZ (copy), data 12->30 dropped 32 C:\Users\user\Desktop\YYYYYYYYYY (copy), data 12->32 dropped 34 C:\Users\user\Desktop\XXXXXXXXXX (copy), data 12->34 dropped 36 24 other malicious files 12->36 dropped 54 Antivirus detection for dropped file 12->54 56 Multi AV Scanner detection for dropped file 12->56 58 Contains functionality to detect hardware virtualization (CPUID execution measurement) 12->58 60 3 other signatures 12->60 18 cmd.exe 1 12->18         started        signatures8 process9 process10 20 conhost.exe 18->20         started       
Detection:
lockbit
Create hunting rule
Link:
https://mwdb.cert.pl/sample/daff7ba0e08e663f81f9b13a759221cb626b0e5cf45a6b17bb4d65663023cf78/
Threat name:
Win32.Ransomware.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2023-08-06 17:40:06 UTC
File Type:
PE (Exe)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3l7xxiharztd7apzwe5hlerbznrgwds46rngwf53jvswmmbdz54a._file
Verdict:
malicious
Similar samples:
063fcedd3089e3cea8a7e07665ae033ba765b51a6dc1e7f54dde66a79c67e1e7
BlackMatter
0845a8c3be602a72e23a155b23ad554495bd558fa79e1bb849aa75f79d069194
BlackMatter
160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021
BlackMatter
3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1
BlackMatter
9f007ac0509f1b836a13933f568c4c69e56eb4feb619f3dc583f76d460a012eb
BlackMatter
f7caf7d69cef15d5c3b9983513e4e40edc3a31c5ead4139bc41d1500442a966a
BlackMatter
fd9652ebdb55646c4b67682273e6c0bace2fdce266b1690caa6b30aeef274bc4
BlackMatter
+ 3'414 additional samples on MalwareBazaar
Result
Malware family:
lockbit
Create hunting rule
Score:
  10/10
Tags:
family:lockbit ransomware spyware stealer
Link:
https://tria.ge/reports/230806-v8t3kabc67/
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
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops desktop.ini file(s)
Process spawned suspicious child process
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Renames multiple (328) files with added filename extension
Renames multiple (623) files with added filename extension
Unpacked files
SH256 hash:
daff7ba0e08e663f81f9b13a759221cb626b0e5cf45a6b17bb4d65663023cf78
MD5 hash:
9c23d472126cbfe7f0da44f8795ded04
SHA1 hash:
fb5d57360c7740a0aa56e2708374933c5f966fec
Link:
https://www.unpac.me/results/27e2e77a-91bd-43b1-9639-8298f436bf71/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/daff7ba0e08e/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/daff7ba0e08e663f81f9b13a759221cb626b0e5cf45a6b17bb4d65663023cf78

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:Windows_Ransomware_Lockbit_369e1e94
Create hunting rule
Author:Elastic Security

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/440904/

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