MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66b8846f0ccc67ba20161ee2e9203aad1bf3d2e49c53a7faab5f0c21df037956. 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: 66b8846f0ccc67ba20161ee2e9203aad1bf3d2e49c53a7faab5f0c21df037956
SHA3-384 hash: ba87c5cdb0e6ef8c4da2340f1c7ba2ad0ce755ae95ffdc2506e62b2e88d4d3ca4e82e86301302835e9b0b737fe8ee11e
SHA1 hash: 8d0634695df588b3ccc7960c24162af4d3796e19
MD5 hash: a647a398d0085ada037ec964446f1a57
humanhash: cola-mountain-four-colorado
File name:66b8846f0ccc67ba20161ee2e9203aad1bf3d2e49c53a7faab5f0c21df037956
Download: download sample
File size:11'562'273 bytes
First seen:2020-11-10 08:42:55 UTC
Last seen:2024-07-24 15:15:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f06dc709a5b17f58964c6e5478a768b5 (4 x CobaltStrike, 4 x Riskware.Generic, 1 x CoinMiner)
ssdeep 196608:q7nFphyzrSOkVA+uDfOtv20YZAfbT27ywHEFoWIl:qb7hxTHuDilYcT2xHH
Threatray 143 similar samples on MalwareBazaar
TLSH 48C68D27F5A204FDC67FD1708297D732BA31786942307BAB1B90DA752F12F906A2E714
Reporter seifreed

Intelligence

File Origin
# of uploads :
2
# of downloads :
49
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Pseudosigner-36
Create hunting rule

SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

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

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

Win.Malware.Tofsee-6896728-0
Create hunting rule

Win.Malware.Tofsee-7057860-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Creating a file in the system32 directory
Creating a file
Sending a custom TCP request
Modifying an executable file
Changing a file
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing critical settings of the Internet Explorer browser
Creating a file in the mass storage device
Infecting executable files
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
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/66b8846f0ccc67ba20161ee2e9203aad1bf3d2e49c53a7faab5f0c21df037956/
Threat name:
Win64.Trojan.CoinMiner
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 08:46:21 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
0554d7a70d8c9140ce2f2548721df62e6e6cee5c2154c07f8177483503b9e710
28077a71b3aff9c96a58949ab21b2c9494ff76bbe29ea5df497fa9e2fc26b5a0
474186239b198102d48b399c5f9336a63672c52af39ac35443e7c42078cbf778
a0e77464bcaf8c4f00f9eef0accc1d0437937595dd442de8ff98858812226910
a6716509395bbeb0b27d4f384927e7c5b3e75f9fa6e1def742340ab128c15a89
b09d35ccef1c0c365b08cd320dea186d23902a900d34dfd170767b5d42a550ce
b9b5cce5bd4102fcd4fba76b5451eb649435f48e6a246ce8b91dc318a2e68c6d
bebb125456266d90678d0bb26ec95a812a96edd68523d41b00a7d7c9ead8a821
e36f3a7871e2b5056d56a65c212819d56fa723c8cc96e0c83e8270a205c3321f
eeefbf3fc5eaa2e8a586e76409ca853df354aaee653f6496bafc0f07629ce54d
+ 133 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike
Link:
https://tria.ge/reports/201110-v4c9gvfpbn/
Behaviour
Modifies Internet Explorer start page
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Program crash
Drops file in Program Files directory
Drops autorun.inf file
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
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