MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df953c14e606e73ee478340153acb90999e8ba3546a01088546fd92bff03eedc. 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 10 File information Comments
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SHA256 hash: df953c14e606e73ee478340153acb90999e8ba3546a01088546fd92bff03eedc
SHA3-384 hash: 0f9ad2ae60de2e14e8d20fe70c15134d1f77243c4246a91bbde7da70a73284a2551bf941c6c17e4db102567ae7b02842
SHA1 hash: bf4dcc18b4b75ec909ec3dbc89c0c62968306a6f
MD5 hash: 18b41404e7bf0aa53e5bc4af134b7de2
humanhash: hawaii-undress-magnesium-april
File name:df953c14e606e73ee478340153acb90999e8ba3546a01088546fd92bff03eedc
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:261'120 bytes
First seen:2020-10-24 21:21:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c3735f4acc1ff228e16baf9855cb862 (2 x CobaltStrike)
ssdeep 3072:4r+U7LVLn1BFdjGQX8dbDCRUCnhqxmTy1WOeJfUuIRrT10ZFPjEzcuT5hFxAgYJa:4r+USu+WOeOTCjLEIuTEg7g2
Threatray 32 similar samples on MalwareBazaar
TLSH 95446B8532A47CB9ECA7D37AC657461BEFF27C154230D70F03641A9A4F273A1A22E356
Reporter seifreed
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75284/
Detection(s):
Win.Trojan.CobaltStrike-8091534-0
Create hunting rule

Win.Tool.CobaltStrike-6336852-0
Create hunting rule

Win.Tool.Razy-9778192-0
Create hunting rule

Win.Tool.Razy-9778218-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/508807
Signature
Contains functionality to detect sleep reduction / modifications
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303521 Sample: kF6JCi7YmB Startdate: 24/10/2020 Architecture: WINDOWS Score: 88 16 Malicious sample detected (through community Yara rule) 2->16 18 Multi AV Scanner detection for submitted file 2->18 20 Yara detected CobaltStrike 2->20 22 3 other signatures 2->22 7 loaddll64.exe 1 2->7         started        process3 process4 9 rundll32.exe 7->9         started        12 rundll32.exe 7->12         started        signatures5 24 Contains functionality to detect sleep reduction / modifications 9->24 14 WerFault.exe 20 9 12->14         started        process6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df953c14e606e73ee478340153acb90999e8ba3546a01088546fd92bff03eedc/
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 06:11:57 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=36ktyfhga3tt5zdygqavhlfzbgm6rorvi2qbbccun7msx7yd53oa._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
047402ec1c36b09a5bbdf8cac3fd8f46cc1ea4c51a67f1bc347c2f4e4369cd6e
CobaltStrike
05815c1e6e37cf16bb24c456836069a7709df19505708d26f503ff46360001ba
CobaltStrike
15073e335455478c4bf28954f35f6ab8f692527786b3d4436acb0e55097bb952
CobaltStrike
39a7738c00d6a5dcc4709ad2e3f0b57565f7dc0325bdb5942c3e696c5736bc5a
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87dca59ec3d55bcb1b05da564e5ce0a164ab633f1c46a18a97f72a30efff7388
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9a7d2b2c96ee9b7b0ddc1665988d935a719f04cdb2b2dd331ec36aa4f6597506
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9c3b7ba8d375f19993312a6ac20418e0d107d73b30d585e9ad3646e150ff7c5a
CobaltStrike
a32e37ae08d6a723dff7313d96bc7e23fe9b7db18295e2916f3c935530329919
CobaltStrike
bdeec4adcae05874a1a5727a910e9522781550b5b3acfefa03ac20565785e6fe
CobaltStrike
d44d718c247b1664861f987b1725314f152e43e7c1da80b163f812e1b7c3fdb7
CobaltStrike
+ 22 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201024-cjfejfnmhs/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Malware Config
C2 Extraction:
http://143.229.2.88:80/dpixel
Unpacked files
SH256 hash:
df953c14e606e73ee478340153acb90999e8ba3546a01088546fd92bff03eedc
MD5 hash:
18b41404e7bf0aa53e5bc4af134b7de2
SHA1 hash:
bf4dcc18b4b75ec909ec3dbc89c0c62968306a6f
Detections:
win_cobalt_strike_auto
Create hunting rule
Link:
https://www.unpac.me/results/f542c528-4c07-454b-b2c8-5393f00b7b24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
CobaltStrike
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/df953c14e606e73ee478340153acb90999e8ba3546a01088546fd92bff03eedc

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
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_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: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

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/75284/

Comments