MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4420f5df8356772373ec7694922ec422d7529b02dfde86f4eadf652d361b894c. 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: 5


Intelligence 5 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4420f5df8356772373ec7694922ec422d7529b02dfde86f4eadf652d361b894c
SHA3-384 hash: b26ea331774bd441e8ae9b1b68f39fa9c26e960330cbbaad216afbc81aa60a29accfa6845b6d6e1c15c816612be23ac8
SHA1 hash: f426a7c03c28262d2bf2a9aa0eff582adc72dc98
MD5 hash: bf34a5697c35a3e9b834a055a95c8bbd
humanhash: south-coffee-kansas-muppet
File name:736cbf4e5d86772965db0b0ed4e4b9e2
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:288'768 bytes
First seen:2020-11-17 12:10:55 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash a05937afc81200fe93850dfaf05de554 (4 x CobaltStrike)
ssdeep 3072:t9CJg1usvorqVhVw71RSLf6v5Upv8mhQpnvX0x9Evx+ur8gpFZLUHvb7fb4Hb680:tsfEFU7Yivmh8mhWnvk8J+q8/7MR
TLSH 3654D04B8B6A2BCDE31292755F5223F869C14F1B8328992DD1854D025D8C0BF678EFDB
Reporter seifreed
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4420f5df8356772373ec7694922ec422d7529b02dfde86f4eadf652d361b894c/
Threat name:
Win32.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2020-11-17 12:16:47 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqqplx4dkz3sg47mo2kjelweellvfgyc37pin5hk35ss2nq3rfga._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201117-lfxx1xly6n/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
4420f5df8356772373ec7694922ec422d7529b02dfde86f4eadf652d361b894c
MD5 hash:
bf34a5697c35a3e9b834a055a95c8bbd
SHA1 hash:
f426a7c03c28262d2bf2a9aa0eff582adc72dc98
Link:
https://www.unpac.me/results/bc493885-f1d8-4f7b-ac6a-b1f2f55ee94e/
SH256 hash:
cf806fc298661faa68558a6420fcb60a3f27bd90abde77ad20150d34853187d7
MD5 hash:
65903f005153092a752efff34a7bbae7
SHA1 hash:
ba23486a6a7da0c55875f2a23a334cbb1afbde5e
Detections:
win_cobalt_strike_auto
Create hunting rule
Link:
https://www.unpac.me/results/bc493885-f1d8-4f7b-ac6a-b1f2f55ee94e/
Parent samples :
e61c59b4c439efa60a4dcf594c9169a0654eb88d8572a3a347de1fc76678bd33
296f5b56d7166919f725ed5f2899a72bb9b1500d0ed1fa44c32c6621c436cd4c
b5da6fc2334aa8570f9da7177e392580cd6619431c300ba41d197641dde082ab
4420f5df8356772373ec7694922ec422d7529b02dfde86f4eadf652d361b894c
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
Create hunting rule
Author:JPCERT
Description:Detects CobaltStrike beacons
Reference:https://github.com/JPCERTCC/aa-tools/blob/master/cobaltstrikescan.py
Rule name:Beacon_K5om
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:crime_win32_csbeacon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:Leviathan_CobaltStrike_Sample_1
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Malware_QA_vqgk
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
Create hunting rule
Author:ditekshen
Description:CobaltStrike payload
Rule name:MALW_cobaltrike
Create hunting rule
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect CobaltStrike beacon
Rule name:PowerShell_Susp_Parameter_Combo
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:WiltedTulip_ReflectiveLoader
Create hunting rule
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
Create hunting rule
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