MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
SHA3-384 hash: c17d06d82666f246ecb5f766f276ab6a88d3fc9a3c9f5e08be0191a64b60880b9a00edb1423c5ed243b37271d0f0b182
SHA1 hash: 026720fca026d971b16d1990146ef6462e8c1664
MD5 hash: 0646491738c76fd6a9eefaed43eabf43
humanhash: nebraska-batman-robin-neptune
File name:f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
Download: download sample
Signature BlackCat
Create hunting rule
File size:2'991'616 bytes
First seen:2022-02-22 02:18:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f66b42797477a467945daedd979f3 (10 x BlackCat)
ssdeep 49152:jpKBGa72IjsylcKXKSMhLvxkng/JozaNq/RgaJ2wOF:tKBrdjvvO4oJovvwwOF
Threatray 1 similar samples on MalwareBazaar
TLSH T15BD59F45F953A2AFCD9B15F034AE733AD530491D0019CE6BEBD8DD227BAE7101B48E1A
Reporter vxunderground
Tags:blackcat exe Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
479
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e.exe
Verdict:
Suspicious activity
Analysis date:
2022-02-22 02:43:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8599adc-9e96-41bf-bff5-f01ce08a55f7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BlackCat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/243074/
Detection(s):
Win.Ransomware.BlackCat-9934796-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/6921/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug exploit greyware
Link:
https://www.filescan.io/uploads/6214481aac8ad0468b63f14d/reports/8a30635b-883d-4654-8546-0ff941b62c06/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/92d577fb-a2f5-4c51-93ed-112e5a69d124
Result
Threat name:
BlackCat
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/943572
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/f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e/
Threat name:
Win32.Ransomware.BlackCat
Create hunting rule
Status:
Malicious
First seen:
2022-02-16 12:11:46 UTC
File Type:
PE (Exe)
AV detection:
29 of 43 (67.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6kz7d3ljgaq3ed2fnicyxbvqrk74jb3mpi5odcxkn2kvm76vlmxa._file
Verdict:
malicious
Similar samples:
6660d0e87a142ab1bde4521d9c6f5e148490b05a57c71122e28280b35452e896
BlackCat
Result
Malware family:
blackcat
Create hunting rule
Score:
  10/10
Tags:
family:blackcat
Link:
https://tria.ge/reports/220222-crvcwsbhg2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
Unpacked files
SH256 hash:
f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
MD5 hash:
0646491738c76fd6a9eefaed43eabf43
SHA1 hash:
026720fca026d971b16d1990146ef6462e8c1664
Link:
https://www.unpac.me/results/21f78522-926d-4206-af5b-82870d201fba/
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/f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e

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/243074/

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