MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb01851fc2be012833865bd37f81fa98f6a27131bb660e5b01c5eedb8070ceab. 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



CobaltStrike


Vendor detections: 7


Intelligence 7 IOCs YARA 9 File information Comments

SHA256 hash: fb01851fc2be012833865bd37f81fa98f6a27131bb660e5b01c5eedb8070ceab
SHA3-384 hash: 7df36d3d6cd4d6ef0b14979f0b56768b69c440da8762a44bbf8bfcd54704f67def2e260da132ae81938e3db6cb1fd688
SHA1 hash: c6aade5a01fe9989647fa17cbdb22781e6e20fae
MD5 hash: 4bf5bf7c16a0b4c6bb1c1faff4d6afcf
humanhash: double-october-nineteen-indigo
File name:fb01851fc2be012833865bd37f81fa98f6a27131bb660e5b01c5eedb8070ceab
Download: download sample
Signature CobaltStrike
File size:284'672 bytes
First seen:2020-08-27 10:18:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc25ee78e2ef4d36faa0badf1e7461c9 (118 x CobaltStrike, 5 x Cobalt Strike)
ssdeep 6144:HRPVx0rUYYItCeH4htfhv0l0c3dU8xtzmHj+E:HVVxQVCUytfhv0JCdj+E
Threatray 89 similar samples on MalwareBazaar
TLSH DB54AE8FE436EB9AE13D53F003E09923FA2C50DC22D9A80D8D55AF4A5D4F8E25D1D7A4
Reporter JAMESWT_WT
Tags:CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a UDP request
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Cobalt
Status:
Malicious
First seen:
2020-08-16 01:07:00 UTC
File Type:
PE (Exe)
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Beacon_K5om
Author:Florian Roth
Description:Detects Meterpreter Beacon - file K5om.dll
Reference:https://www.fireeye.com/blog/threat-research/2017/06/phished-at-the-request-of-counsel.html
Rule name:CobaltStrike_Sleep_Decoder_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:Leviathan_CobaltStrike_Sample_1
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Malware_QA_vqgk
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:PowerShell_Susp_Parameter_Combo
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:WiltedTulip_ReflectiveLoader
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip

File information


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

Comments