MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21286ed0b3e56f49c287617ee5bf4ef687c627e342d72297008e3fce73a5ae20. 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: 10


Intelligence 10 IOCs YARA 33 File information Comments
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SHA256 hash: 21286ed0b3e56f49c287617ee5bf4ef687c627e342d72297008e3fce73a5ae20
SHA3-384 hash: 34e77d9f66224a3810510056aefff70b386fe02fce6442b3a3d4dcb169d936b67cecc09f39f9bc91d72e182c50cacad8
SHA1 hash: ba5fcbdbd5b71bfc52b8a824bd40c547a7223260
MD5 hash: e3f89049dc5f0065ee4d780f8aef9c04
humanhash: sink-red-orange-coffee
File name:21286ed0b3e56f49c287617ee5bf4ef687c627e342d72297008e3fce73a5ae20
Download: download sample
Signature CobaltStrike
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File size:1'563 bytes
First seen:2022-07-01 08:47:14 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 24:8GpFGZR4o2ioKfWCXaARWy6yjT1tuqsmbHnUJm8gQHll:8GSH4o2XCZ13mYHI/Hl
TLSH T18F31F32105F5461DD4EB0A396837B3419A32BE84E61152DE25A0B44E5CA6714F8F8B3F
Reporter JAMESWT_WT
Tags:CobaltStrike link lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
743
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.BZC.YAX.Boxter.251.10BA620F.27800.1582.UNOFFICIAL
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TwinWave.EvilLNK.DottedQuadDancingInHeaven.20220622.UNOFFICIAL
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Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/21286ed0b3e56f49c287617ee5bf4ef687c627e342d72297008e3fce73a5ae20/results/dashboard
Payload URLs
URL
File name
http://120.48.85.228:80/favicon'
LNK File
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell powershell
Link:
https://www.filescan.io/uploads/62beb4ff931c17b842b925f0/reports/4d5a3594-5658-4a9e-b71b-e4e5b69a7895/overview
Result
Verdict:
MALICIOUS
Details
IPv4 Dotted Quad URL
A URL was detected referencing a direct IP address, as opposed to a domain name.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
CobaltStrike, Metasploit, ReflectiveLoad
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Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1023115
Signature
Found URL in windows shortcut file (LNK)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Windows shortcut file (LNK) starts blacklisted processes
Yara detected CobaltStrike
Yara detected MetasploitPayload
Yara detected Powershell download and execute
Yara detected ReflectiveLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21286ed0b3e56f49c287617ee5bf4ef687c627e342d72297008e3fce73a5ae20/
Threat name:
Shortcut.Trojan.CobaltStrikeBeacon
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Status:
Malicious
First seen:
2022-07-01 05:55:18 UTC
File Type:
Binary
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eeug5uft4vxutquhmf7olp2o62d4mj7dillsffyary74445fvyqa._file
Result
Malware family:
cobaltstrike
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Score:
  10/10
Tags:
family:cobaltstrike backdoor suricata trojan
Link:
https://tria.ge/reports/220701-kqe6kscaak/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Cobaltstrike
suricata: ET MALWARE Cobalt Strike Beacon Observed
suricata: ET MALWARE Meterpreter or Other Reverse Shell SSL Cert
Malware Config
Dropper Extraction:
http://120.48.85.228:80/favicon
Malware family:
CobaltStrike
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21286ed0b3e5/report/overview.html
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/21286ed0b3e56f49c287617ee5bf4ef687c627e342d72297008e3fce73a5ae20

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
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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:Beacon_K5om_RID2B14
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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:CobaltStrikeBeacon
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Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
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Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_ReflectiveLoader_RID3297
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Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
Rule name:CobaltStrike_Unmodifed_Beacon
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Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:crime_win32_csbeacon_1
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Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:CS_beacon
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Author:Etienne Maynier tek@randhome.io
Rule name:Download_in_LNK
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Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
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Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
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Author:Elastic
Description:Identifies deobfuscation routine used in Cobalt Strike Beacon DLL version 4.2
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_CobaltStrike_Beacon_Strings
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Author:Elastic
Description:Identifies strings used in Cobalt Strike Beacon DLL
Reference:https://www.elastic.co/blog/detecting-cobalt-strike-with-memory-signatures
Rule name:HKTL_Meterpreter_inMemory
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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:HKTL_Win_CobaltStrike
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Author:threatintel@volexity.com
Description:The CobaltStrike malware family.
Reference:https://www.volexity.com/blog/2021/05/27/suspected-apt29-operation-launches-election-fraud-themed-phishing-campaigns/
Rule name:INDICATOR_SUSPICIOUS_ReflectiveLoader
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Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
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Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Leviathan_CobaltStrike_Sample_1_RID3324
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Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:LNK_sospechosos
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Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos
Rule name:Malware_QA_vqgk
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Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
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Author:ditekSHen
Description:CobaltStrike payload
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_peb_parsing
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Author:Willi Ballenthin
Rule name:meth_stackstrings
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Author:Willi Ballenthin
Rule name:PDF_in_LNK
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Author:@bartblaze
Description:Identifies Adobe Acrobat artefacts in shortcut (LNK) files.
Rule name:PowerShell_Susp_Parameter_Combo
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Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
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Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:PS_in_LNK
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Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:ReflectiveLoader
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Author:Florian Roth
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_LNK_PowerShell
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Author:SECUINFRA Falcon Team
Description:Detects the reference to powershell inside an lnk file, which is suspicious
Rule name:SUSP_LNK_SuspiciousCommands
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Author:Florian Roth
Description:Detects LNK file with suspicious content
Rule name:troj_win_cobaltstrike_memoryinject
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Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Detects Cobalt Strike payload typically loaded into memory via PowerShell.
Rule name:WiltedTulip_ReflectiveLoader
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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
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cobalt_strike.

File information

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

  
X
https://twitter.com/malwrhunterteam/status/1542790112244817920?s=20&t=b4thrKY9qdj0lhYGVuBa7g

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