MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a8b757fa40f9f6ee20d070db2801a48b9f7129ca385d6b52bb754cc8b72920b. 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 8 File information Comments

SHA256 hash: 9a8b757fa40f9f6ee20d070db2801a48b9f7129ca385d6b52bb754cc8b72920b
SHA3-384 hash: be96f8c63289b05233b3b9f562578954ab5f19fb2ef67632b974139e452f01e131802fa99b72b08aeabb57a71f9cb5d4
SHA1 hash: 46845d593f406903ebd08f4cb08dabd47fe099c8
MD5 hash: aad334931c32e4c37bd1d4cd4d4ea99e
humanhash: failed-maryland-maryland-indigo
File name:aad334931c32e4c37bd1d4cd4d4ea99e.exe
Download: download sample
Signature CobaltStrike
File size:284'672 bytes
First seen:2020-07-19 09:36:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dc25ee78e2ef4d36faa0badf1e7461c9 (118 x CobaltStrike, 5 x Cobalt Strike)
ssdeep 3072:ERhiqVFrs2QRojhiR9YhJsbjwFqAxvFNNBOC+ahQkbRYNjCFlDF2K:ER7TQRoQR9QsPwFqGNP+hC+ADDF2K
Threatray 103 similar samples on MalwareBazaar
TLSH 5954CFBAA5224C58D40E57BB5FD79E33D77821B38163C89865EBA7900BBF1507480EE3
Reporter abuse_ch
Tags:CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Threat name:
Win32.Trojan.Cobalt
Status:
Malicious
First seen:
2020-07-15 17:16:00 UTC
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