MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81c80c4018e688ccd89c5906462b2ab0693ed78e7a796e4ea121fa985b62eaf4. 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: 81c80c4018e688ccd89c5906462b2ab0693ed78e7a796e4ea121fa985b62eaf4
SHA3-384 hash: 412e04a37da62aaa06d4fc41d663d9e33aa33d1a8bf41da161f031e2d86ea4fefe51152b3835723ea01eef33df4f5677
SHA1 hash: 2d59148b5f20bfb60b3ab8864c79a7c74303bf80
MD5 hash: bb20e0243978a55f0f0810a405b6b9f9
humanhash: salami-vermont-crazy-sierra
File name:81c80c4018e688ccd89c5906462b2ab0693ed78e7a796e4ea121fa985b62eaf4
Download: download sample
File size:6'229'223 bytes
First seen:2020-11-10 07:53:44 UTC
Last seen:2024-07-24 18:09:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 71f37f91c14c4729e462a32b6b2ae9d4 (27 x CoinMiner, 12 x CobaltStrike)
ssdeep 98304:gq13cXr6dfE0pZ3b56utgpPFotBER/mQ32lUc:P2XK56utgpPF8u/7c
Threatray 219 similar samples on MalwareBazaar
TLSH DB565C41EDAB01F2EB8712308CB74E5F633372190335E6C3DA650A6FE9276E46A36751
Reporter seifreed

Intelligence

File Origin
# of uploads :
2
# of downloads :
51
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

Win.Trojan.CobaltStrike-8091534-0
Create hunting rule

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

Win.Coinminer.Generic-7151250-0
Create hunting rule

Win.Coinminer.Generic-7151253-0
Create hunting rule

Win.Coinminer.Generic-7151447-0
Create hunting rule

Win.Coinminer.Generic-7151488-0
Create hunting rule

Win.Coinminer.Generic-7155777-0
Create hunting rule

Win.Coinminer.Generic-7158858-0
Create hunting rule

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

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

Multios.Coinminer.Miner-6781728-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
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/81c80c4018e688ccd89c5906462b2ab0693ed78e7a796e4ea121fa985b62eaf4/
Threat name:
Win64.Trojan.CoinMiner
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 07:55:52 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
4f7e1009e6fadd6f36ec3e963cff47a7363ec231ecb5d2381f4de515834c968c
566ec411a3c5356229e31bae147881f130d905dce7b5ee21260f3ddbac78a890
7aa674334d0c80a13ebf00f14c88dec066ba06609f57aa5fad00ec165200f37c
7ac3ed0f2df0522c50dbf1bacdf0278e7536819597aa5ba3e22f9e1b4f8710a7
7b226af4dfdd06463b9d7e5b0c09fb8a8ec0bed95114933b5c0a8828dd75cc14
84b619256627a701fccc4dfe9cf8f24542286bf6b0bd02af849f68e157794a59
873cfab70ca782bb2ce65fecd9eaad7aa2d49ad9e48ac1afb33bdcfb44aa3a3a
a2e2b9c58537f3211cf4a643b93c3526002709eabdee27f0cbbfb9fc1ed63acb
eeecd2e7f3586adfc3ee78d67e6b8c84705ce3472ca52d266c0cef89883b36b1
f678645ff7206bc1c9e82435f4f029893d8c117fab2c9e3984dfe47addf3c94c
+ 209 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-fcj6nxw6vn/
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