MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b8bffdd083669bb12c6e459e8fb5c875e44fca7e6a5a7b31fa15236b16d9a23. 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


Threat unknown


Vendor detections: 5


Intelligence 5 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b8bffdd083669bb12c6e459e8fb5c875e44fca7e6a5a7b31fa15236b16d9a23
SHA3-384 hash: ba085f40325f78911ee2421fc31ac06daf1efe3b9cdedf6e2da9636579096cb90fddacbb1ab0bc6132d9608e2444fa72
SHA1 hash: a3aace8c3aa00149b2f24c78406841d7e47b425a
MD5 hash: a5d8ce1bb2d3246ad9d6614937818c39
humanhash: hot-october-black-salami
File name:1b8bffdd083669bb12c6e459e8fb5c875e44fca7e6a5a7b31fa15236b16d9a23
Download: download sample
File size:5'462'180 bytes
First seen:2020-11-10 08:45:20 UTC
Last seen:2024-07-24 11:51:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 227fe66ff6f22dec0266a5718d365ece (39 x CoinMiner, 1 x CobaltStrike, 1 x Berbew)
ssdeep 49152:ROdWCCi7/raV56uL3pgrCEdMKPFotsgEBr6GjvzW+UBA3Gd7po52xWKQY2v2V6lp:RWWBibW56utgpPFotBER/mQ32lUl
Threatray 258 similar samples on MalwareBazaar
TLSH 14465C41ED9B45F2EB8712308CB31E5F6333B2190335EAC3DA654A6FE5276E46B36241
Reporter seifreed

Intelligence

File Origin
# of uploads :
2
# of downloads :
56
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.CobaltStrike-8091534-0
Create hunting rule

Win.Tool.CobaltStrike-6336852-0
Create hunting rule

Win.Trojan.Razy-7331645-0
Create hunting rule

Win.Trojan.Razy-7332867-0
Create hunting rule

Win.Trojan.Razy-7364523-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Connection attempt to an infection source
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b8bffdd083669bb12c6e459e8fb5c875e44fca7e6a5a7b31fa15236b16d9a23/
Threat name:
Win64.Trojan.CoinMiner
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 08:48:23 UTC
AV detection:
36 of 48 (75.00%)
Threat level:
  5/5
Verdict:
suspicious
Similar samples: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 248 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan upx
Link:
https://tria.ge/reports/201110-z6gz4d2hy2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
JavaScript code in executable
Loads dropped DLL
Executes dropped EXE
UPX packed file
Cobalt Strike reflective loader
Cobaltstrike
Malware Config
C2 Extraction:
http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

  
Delivery method
Other

Comments