MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3094276d0cb81fa9fa28af67d192e2a40d6902af7adfd76249f98a22ec31a064. 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 15 File information Comments
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SHA256 hash: 3094276d0cb81fa9fa28af67d192e2a40d6902af7adfd76249f98a22ec31a064
SHA3-384 hash: c6ef5f74d76fa33e4acfac7c29a3c6ca9744af422dd9be077cb18e35a9e4063e0221cb173dbf29011319c4c818c9020f
SHA1 hash: e3144f20b03a4cffcb3ab70b8461a4845963fab6
MD5 hash: 392a31868b656c2dcff22b735a1329e6
humanhash: vermont-carbon-tango-alabama
File name:392a31868b656c2dcff22b735a1329e6
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:206'848 bytes
First seen:2020-10-25 07:57:44 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash f2e0b7b9a08bd8dcaf133d9278ecdb47 (40 x CobaltStrike)
ssdeep 3072:Pjh9N4a1j712h9Td2+1lxvTeZna8xUhUbT154:PjdFKdoSxvixTxUA
TLSH 03148DA131C4D036D0570479624BC77E5EBDFDF416B19487BF841AA69E723A3EB2A203
Reporter seifreed
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75374/
Detection(s):
Win.Trojan.CobaltStrike-8091534-0
Create hunting rule

Win.Tool.CobaltStrike-6336852-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/509017
Signature
Antivirus / Scanner detection for submitted sample
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303627 Sample: nANmdKSkH6 Startdate: 25/10/2020 Architecture: WINDOWS Score: 76 15 Malicious sample detected (through community Yara rule) 2->15 17 Antivirus / Scanner detection for submitted sample 2->17 19 Multi AV Scanner detection for submitted file 2->19 21 2 other signatures 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 rundll32.exe 7->9         started        11 rundll32.exe 7->11         started        process5 13 WerFault.exe 23 9 9->13         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3094276d0cb81fa9fa28af67d192e2a40d6902af7adfd76249f98a22ec31a064/
Threat name:
Win32.PUA.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2020-09-08 16:23:00 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gckco3imxap2t6riv5t5dexcuqgwsavpplp5oysj7gfcf3brubsa._file
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
trojan backdoor family:cobaltstrike
Link:
https://tria.ge/reports/201025-4qynnvxrnn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
ServiceHost packer
Cobaltstrike
Malware Config
C2 Extraction:
http://78.141.211.35:7890/ca
Unpacked files
SH256 hash:
3094276d0cb81fa9fa28af67d192e2a40d6902af7adfd76249f98a22ec31a064
MD5 hash:
392a31868b656c2dcff22b735a1329e6
SHA1 hash:
e3144f20b03a4cffcb3ab70b8461a4845963fab6
Detections:
win_cobalt_strike_auto
Create hunting rule
Link:
https://www.unpac.me/results/d01bafd4-412d-47a2-8edd-b19206e8f9cd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
XPACK
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3094276d0cb81fa9fa28af67d192e2a40d6902af7adfd76249f98a22ec31a064

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:CobaltStrike_C2_Encoded_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
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:HKTL_Meterpreter_inMemory
Create hunting rule
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
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: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:ReflectiveLoader
Create hunting rule
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
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
Cape
Cape
https://www.capesandbox.com/analysis/75374/

Comments