MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c8ad2dae0b1bb536925b4e8d5a87e77c6134371eada2c7628358d6c6d3083dc. 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


BlackCat


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c8ad2dae0b1bb536925b4e8d5a87e77c6134371eada2c7628358d6c6d3083dc
SHA3-384 hash: aea8f4b72c8c12a8d35cb63e81dc2a6a694d2afad968a48041ece66b22c4e617d54f79bc3230f55f69c28243d5ddebf1
SHA1 hash: dd69b20eb1931487d8b65060f2be3671bd5baf33
MD5 hash: 5178bd507c07bc2d5274e0947834e48e
humanhash: april-indigo-mississippi-zebra
File name:3c8ad2dae0b1bb536925b4e8d5a87e77c6134371eada2c7628358d6c6d3083dc
Download: download sample
Signature BlackCat
Create hunting rule
File size:3'081'216 bytes
First seen:2022-02-22 02:16:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 55c1bce75ad836c886b7fb6bca398063 (13 x BlackCat)
ssdeep 49152:HFyDutqkpj1TFUoXhjEjHjTu5tCeOZobIMfutoqKNi/RgaJ2weF:HFyDkNLXVEbjTuieOaR2+6vwweF
Threatray 4 similar samples on MalwareBazaar
TLSH T158E58E47F98356A9CDA71A70305EF33AA6314818452D8EA3E7F8DD207B2E7105EC9E1D
Reporter vxunderground
Tags:blackcat exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
461
Origin country :
n/a
Vendor Threat Intelligence
Detection:
BlackCat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/243069/
Detection(s):
Win.Ransomware.BlackCat-9934796-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/6922/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug exploit filecoder greyware ransomware
Link:
https://www.filescan.io/uploads/621447a2a2660f3bb920acf2/reports/577cc30a-776a-4275-8f43-cb5f5632d778/overview
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:
BlackCat Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f500bfba-9abd-4932-a9cf-f0a5565f9f5c
Result
Threat name:
BlackCat
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/943569
Signature
Deletes shadow drive data (may be related to ransomware)
Found malware configuration
Found Tor onion address
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected BlackCat Ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c8ad2dae0b1bb536925b4e8d5a87e77c6134371eada2c7628358d6c6d3083dc/
Threat name:
Win32.Ransomware.BlackCat
Create hunting rule
Status:
Malicious
First seen:
2022-02-10 17:04:14 UTC
File Type:
PE (Exe)
AV detection:
32 of 43 (74.42%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
5a604a8f0e72f3bf7901b7b67f881031a402ab8072269c00233a554df548f54d
BlackCat
6660d0e87a142ab1bde4521d9c6f5e148490b05a57c71122e28280b35452e896
BlackCat
67d1f4077e929385cfd869bf279892bf10a2c8f0af4119e4bc15a2add9461fec
BlackCat
f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
BlackCat
Result
Malware family:
blackcat
Create hunting rule
Score:
  10/10
Tags:
family:blackcat
Link:
https://tria.ge/reports/220222-cqpq1sdaek/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
Unpacked files
SH256 hash:
3c8ad2dae0b1bb536925b4e8d5a87e77c6134371eada2c7628358d6c6d3083dc
MD5 hash:
5178bd507c07bc2d5274e0947834e48e
SHA1 hash:
dd69b20eb1931487d8b65060f2be3671bd5baf33
Link:
https://www.unpac.me/results/cf7faf36-e986-41e8-ac10-9f2be5cab232/
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/3c8ad2dae0b1bb536925b4e8d5a87e77c6134371eada2c7628358d6c6d3083dc

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:INDICATOR_SUSPICIOUS_ClearWinLogs
Create hunting rule
Author:ditekSHen
Description:Detects executables containing commands for clearing Windows Event Logs
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware
Rule name:INDICATOR_SUSPICOUS_EXE_References_VEEAM
Create hunting rule
Author:ditekSHen
Description:Detects executables containing many references to VEEAM. Observed in ransomware
Rule name:MALWARE_Win_BlackCat
Create hunting rule
Author:ditekSHen
Description:Detects BlackCat ransomware

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/243069/

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