MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99030ee3c43755c07ee8ab7011cb4e3bdc03c527c88496603b72234a633b4fac. 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 11 File information Comments

SHA256 hash: 99030ee3c43755c07ee8ab7011cb4e3bdc03c527c88496603b72234a633b4fac
SHA3-384 hash: 238b7464c50a2247e75b4ecf6933790a8379f328f8c92a70a872619152b9cbb25bbc1baa9686abb23375fbb4a7b6c2b6
SHA1 hash: c635242b2b3ef898613716f450756e266b33d125
MD5 hash: 0aba5e5b4549f31833ea9cfb1736b62a
humanhash: bakerloo-twelve-may-nine
File name:99030ee3c43755c07ee8ab7011cb4e3bdc03c527c88496603b72234a633b4fac
Download: download sample
Signature CobaltStrike
File size:262'144 bytes
First seen:2020-10-24 22:23:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 39a613f0d59cc3ef3bbadfe701521e7c (128 x CobaltStrike)
ssdeep 3072:TJwpS2NACV4qAbypuljJGnJYoTjqETdtbsnOfFwXVa/G494YJGaXM4JHnaH:TJwpYVNcn3pTdNe+WXVit4uVH
Threatray 42 similar samples on MalwareBazaar
TLSH ED445A4532A03DF5ECA7D679CA974626EFF27C664630D71F0364165B0F273A1A22E312
Reporter seifreed
Tags:CobaltStrike

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
CobaltStrike
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Exe Launched By ReflectiveLoader Dll
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Threat name:
Win64.PUA.CobaltStrikeBeacon
Status:
Malicious
First seen:
2020-08-22 19:34:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Malware Config
C2 Extraction:
http://95.141.41.29:401/cm
Unpacked files
SH256 hash:
99030ee3c43755c07ee8ab7011cb4e3bdc03c527c88496603b72234a633b4fac
MD5 hash:
0aba5e5b4549f31833ea9cfb1736b62a
SHA1 hash:
c635242b2b3ef898613716f450756e266b33d125
Detections:
win_cobalt_strike_auto
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_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:MALW_cobaltrike
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
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
Rule name:win_cobalt_strike_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

Comments