MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb9edffdd7ae34c58f62caf55729711de9c60fa796ffd03635f5815cc8eedf3b. 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: 9


Intelligence 9 IOCs YARA 12 File information Comments

SHA256 hash: cb9edffdd7ae34c58f62caf55729711de9c60fa796ffd03635f5815cc8eedf3b
SHA3-384 hash: e55cf6949031c1dfad59d36c61cc8ab97dfc63d8964a8785af17f8d3ae66951e8d6a9479426ea791cce8db3f6d59eaa9
SHA1 hash: d3816f4d5b43287a00c79c57d0d634007edc2dde
MD5 hash: 95730bb9360e5f3bfa2c7e1dae05c571
humanhash: zulu-saturn-arizona-three
File name:cb9edffdd7ae34c58f62caf55729711de9c60fa796ffd03635f5815cc8eedf3b.bin
Download: download sample
Signature CobaltStrike
File size:208'896 bytes
First seen:2020-09-17 16:57:00 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash b450a8226d3ed9f582c2242845b7b787 (57 x CobaltStrike)
ssdeep 3072:MdFna2JSkcrnYSdM50RAXSPy0qUiS0Lxh5H4evyzUhjQUQm5kzU:eRYkcrY4MCIt07iPlvU0js
Threatray 70 similar samples on MalwareBazaar
TLSH 0B147B9131D0F036D0570439634BCB724FBDFD3816B19987BB984AAA9E72393D72A203
Reporter JAMESWT_WT
Tags:CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
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.PUA.CobaltStrikeBeacon
Status:
Malicious
First seen:
2020-09-17 16:14:52 UTC
File Type:
PE (Dll)
AV detection:
22 of 29 (75.86%)
Threat level:
  1/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike
Behaviour
Cobalt Strike reflective loader
Cobaltstrike family
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:crime_win32_csbeacon_1
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:HKTL_Meterpreter_inMemory
Author:netbiosX, Florian Roth
Description:Detects Meterpreter in-memory
Reference:https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/
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:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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.

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