MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ef6871c88e5621779755d36face911e514f2ccd300cd95ddd7b2346df6374f2. 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 15 File information Comments

SHA256 hash: 7ef6871c88e5621779755d36face911e514f2ccd300cd95ddd7b2346df6374f2
SHA3-384 hash: 9c7409c483f328f3b4fe281f813309f24ffded5432885882e35716f9cefe6421204fe01e0554f7e3861b6c57e6b7817c
SHA1 hash: 436723cddcb0729a177f936780873f8e8d34df77
MD5 hash: 26e2f4ee9fc7614c86f7e9daca77d7a2
humanhash: asparagus-tennis-five-wolfram
File name:7ef6871c88e5621779755d36face911e514f2ccd300cd95ddd7b2346df6374f2
Download: download sample
Signature CobaltStrike
File size:212'480 bytes
First seen:2020-11-12 13:50:54 UTC
Last seen:2024-07-24 16:48:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 199c3b2f92d728912bb206ea499d43f1 (179 x CobaltStrike)
ssdeep 3072:bgmu7B4uM6hoYDYC4JsK7SDSDz7nzDaKjHFnM5MTobv56j5Uf5N:bAV4+sFJ/nzDaUJKvwjY
Threatray 160 similar samples on MalwareBazaar
TLSH 9924AFA17580C476C04A0075A64FCB3E9B79B8F459B5D487FB5C0AA89E726E3DB36303
Reporter seifreed
Tags:CobaltStrike

Intelligence


File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Threat name:
Win32.PUA.CobaltStrikeBeacon
Status:
Malicious
First seen:
2020-11-12 13:51:39 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  1/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
7ef6871c88e5621779755d36face911e514f2ccd300cd95ddd7b2346df6374f2
MD5 hash:
26e2f4ee9fc7614c86f7e9daca77d7a2
SHA1 hash:
436723cddcb0729a177f936780873f8e8d34df77
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:APT_CobaltStrike_Beacon_Indicator
Author:JPCERT
Description:Detects CobaltStrike beacons
Reference:https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py
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
Author:JPCERT/CC Incident Response Group
Description:detect CobaltStrike Beacon in memory
Reference:https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html
Rule name:CobaltStrikeBeacon
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_Config_Indicator
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
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.

  
Delivery method
Other

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