MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b568a4ca18fce49b465d0db8697640d556f579932db0315398a810140c66f0db. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b568a4ca18fce49b465d0db8697640d556f579932db0315398a810140c66f0db
SHA3-384 hash: 0805c56064dd21a5e30e66145a0d5159dabfc8a119f35deb2d81c71a4453aab1cda65a4bc74b66947f504aa767540848
SHA1 hash: 1a0903d80b271f8dda875c8e8b6947db54de2204
MD5 hash: 47cab7f983d1e1ab2d3fba84a2b61fb1
humanhash: cola-ceiling-queen-lake
File name:winnit.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'949'168 bytes
First seen:2020-10-16 10:08:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c016eb1e3df4a18104e155c26650187 (1 x CobaltStrike)
ssdeep 24576:tWCwXNDTo1B4a8H7wY5hQPMnciiWY2KdBlrE+C2MQ09RLBZ08U/qiE:tW3F0jN8cY550MQ09P68x
Threatray 101 similar samples on MalwareBazaar
TLSH C995E638F524D43EFCEA127D8B6A992DDA5CBC21AB0986C395801C974D3CEE53D728D1
Reporter JAMESWT_WT
Tags:CobaltStrike signed VENTE DE TOUT

Code Signing Certificate

Organisation:VENTE DE TOUT
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:Sep 21 00:00:00 2020 GMT
Valid to:Sep 21 23:59:59 2021 GMT
Serial number: 2DCD0699DA08915DDE6D044CB474157C
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 13BF3156E66A57D413455973866102B0A1F6D45A1E6DE050CA9DCF16ECAFB4E2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/71887/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/493344
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Malicious sample detected (through community Yara rule)
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b568a4ca18fce49b465d0db8697640d556f579932db0315398a810140c66f0db/
Threat name:
Win32.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 10:10:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvukjsqy7tsjwrs5bw4gs5sa2vlpk6mtfwydcu4yvaibiddg6dnq._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Similar samples:
2d797a098d2c0e164f5bfe29e3ae282f873709270f05950a3dc76d65f1acf47c
CobaltStrike
5cd1e21eef3c4ed694dc429b88b403995244060feb4fdea12473aff4d782e1f5
CobaltStrike
843ecb8f65383d379efac41850e2962630597fbb9d327215268c480e896fa16a
CobaltStrike
8f7b9a377a14260d8bdcc6e18e749013a0c2c09a60d46fa026d77f6d92b7b801
CobaltStrike
9b27a5018742f9fd6d6c1f94e56215b64eaf0b263e43b82feec02ceeab208398
CobaltStrike
a9ca1d6a981ccc8d8b144f337c259891a67eb6b85ee41b03699baacf4aae9a78
CobaltStrike
ad42170cf53ef7e0ea91196fedd5f8ae7665e207f9de002c63562f4b1db57717
CobaltStrike
d1a71b6a8691f72eb133570b9e90e8de061a652a35e3b4039d0875bbc0f76f1c
CobaltStrike
d92edeb61ad7636386c2b3f47a4bb95ca27489b4806a7088bf3c012b7619a5b1
CobaltStrike
e4ca37b939f9ca60aab3b68d49169ee93e46548b76dfb31eeb43d4161fd3dc1a
CobaltStrike
+ 91 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201016-hnek916pen/
Unpacked files
SH256 hash:
0cc3a056c3418084d037cf9c6699acda35ec8cdba70a65bd672d2a8eb3775eda
MD5 hash:
6a24a01a7f174123d19e8247959acc70
SHA1 hash:
f673d18dcc3dcecfc65efbc34373510b7d33cafd
Link:
https://www.unpac.me/results/2fccc2a6-1fcf-4416-9d8e-69dc7a982053/
SH256 hash:
563bad46722b8c74c8b1acd82d5d818ece2cfd00e1807b3a2df56df4c29519e8
MD5 hash:
5dd9575e4519a3391cfcea0b9aae5f26
SHA1 hash:
a09f8bad57340c9e6732cefe8348841268db662e
Link:
https://www.unpac.me/results/2fccc2a6-1fcf-4416-9d8e-69dc7a982053/
SH256 hash:
b568a4ca18fce49b465d0db8697640d556f579932db0315398a810140c66f0db
MD5 hash:
47cab7f983d1e1ab2d3fba84a2b61fb1
SHA1 hash:
1a0903d80b271f8dda875c8e8b6947db54de2204
Link:
https://www.unpac.me/results/2fccc2a6-1fcf-4416-9d8e-69dc7a982053/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b568a4ca18fce49b465d0db8697640d556f579932db0315398a810140c66f0db

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: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

File information

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

Web download

CobaltStrike

Executable exe b568a4ca18fce49b465d0db8697640d556f579932db0315398a810140c66f0db

(this sample)

  
X
https://twitter.com/malwrhunterteam/status/1317043991666446338?s=20
Cape
Cape
https://www.capesandbox.com/analysis/71887/
  
URLhaus
https://urlhaus.abuse.ch/url/700787/
  
Delivery method
Distributed via web download

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