MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e81e0f0aa8ff34a845b62472a3d2a83fa43ee47819dbc841d8004b64ffd79fc. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 5e81e0f0aa8ff34a845b62472a3d2a83fa43ee47819dbc841d8004b64ffd79fc
SHA3-384 hash: 484f0184d485f6f98aee27be862ebc336da76a228c7d2eb0a8862d6dc7d5b05c254e6055172fa342572c60b8608868b5
SHA1 hash: b2bd7c20156a54b1fed30714f4a5b41a9827a112
MD5 hash: 5199aed509fc45ad9fb2683db365bbb1
humanhash: georgia-fillet-don-blue
File name:5e81e0f0aa8ff34a845b62472a3d2a83fa43ee47819dbc841d8004b64ffd79fc
Download: download sample
Signature CobaltStrike
File size:284'160 bytes
First seen:2020-09-01 11:52:21 UTC
Last seen:2020-09-01 12:34:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 481f47bbb2c9c21e108d65f52b04c448 (257 x Meterpreter, 93 x Metasploit, 33 x ShikataGaNai)
ssdeep 6144:GqGdXu6wE0Nc8Qsg9qmE7GeIZKTXcpaNsIAmg3Q+IwSQZn8GcT4:alu63em0GRZK4oNs3mg3QNwSan
Threatray 84 similar samples on MalwareBazaar
TLSH 8254DF02E6C36CF6C0431138EFF96F3C92726D6F25AB6086A298CAD57FB4D61552530B
Reporter JAMESWT_WT
Tags:97.64.22.226 CobaltStrike

Intelligence


File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a UDP request
Result
Threat name:
CobaltStrike Metasploit
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Detected unpacking (creates a PE file in dynamic memory)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Cometer
Status:
Malicious
First seen:
2020-08-01 14:54:23 UTC
File Type:
PE (Exe)
AV detection:
40 of 48 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
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