MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 387fa33c2ca6ae4613cb2a8bf5acdb90358af364062205ebb3aea458982eb62f. 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: 12


Intelligence 12 IOCs YARA 19 File information Comments

SHA256 hash: 387fa33c2ca6ae4613cb2a8bf5acdb90358af364062205ebb3aea458982eb62f
SHA3-384 hash: fd5a1e7e983ee2337bd2f7c0b5d99f5ae1aec893616289054407ec8b428a54a16331e063a428a169ea5aef5b2317d62e
SHA1 hash: 301c5468cb129891a38d58272f72efe0cf6ad003
MD5 hash: 53eaee0d21d10d44cf4948fb24e990c9
humanhash: robert-johnny-twelve-solar
File name:387fa33c2ca6ae4613cb2a8bf5acdb90358af364062205ebb3aea458982eb62f
Download: download sample
Signature CobaltStrike
File size:224'256 bytes
First seen:2021-07-09 10:37:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 829da329ce140d873b4a8bde2cbfaa7e (259 x CobaltStrike)
ssdeep 3072:BM7H62ec86vEhjlw4e2oZcsdlSVdqtAHzXmRYlCB4N+NJ80lrhUAu:EHt86aa4e2oOsbSe4Xm2lK4N+T3z
Threatray 343 similar samples on MalwareBazaar
TLSH T1A424DF73160739EECB62787549A2F7318E6F881BB6131BCFDD53AF5048A196277C8821
Reporter JAMESWT_WT
Tags:31.42.177.52 CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
566
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cobaltstrike_shellcode.exe
Verdict:
Malicious activity
Analysis date:
2021-07-07 13:58:32 UTC
Tags:
trojan cobaltstrike

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
CobaltStrike
Verdict:
Malicious
Result
Threat name:
CobaltStrike
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected CobaltStrike
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CobaltStrike
Status:
Malicious
First seen:
2021-07-08 01:03:55 UTC
File Type:
PE (Exe)
AV detection:
42 of 46 (91.30%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike botnet:1359593325 backdoor trojan
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://31.42.177.52:80/visit.js
Unpacked files
SH256 hash:
2fc5456500ee6cbd3ecec8e61fe756fb5db3cf0de5fe2d9401b2d2dd6c3f956b
MD5 hash:
11f88d2ddf89805efc7cfd7e38b4f37c
SHA1 hash:
8c456d846847ac5c2dc2b1994155d168ba3dddb5
SH256 hash:
7b9eeac02e4f20b6b5367a03df549d0a2d3665f45af953c6d33b266f5b059a1e
MD5 hash:
ca62ec9d3b2b49efad158234f6b6ce7d
SHA1 hash:
62e29085eea28b4368126ce4e9d78eef821b260d
SH256 hash:
387fa33c2ca6ae4613cb2a8bf5acdb90358af364062205ebb3aea458982eb62f
MD5 hash:
53eaee0d21d10d44cf4948fb24e990c9
SHA1 hash:
301c5468cb129891a38d58272f72efe0cf6ad003
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_DarkHydrus_Jul18_5
Author:Florian Roth
Description:Detects strings found in malware samples in APT report in DarkHydrus
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/
Rule name:Beacon_K5om
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
Author:enzo
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_Unmodifed_Beacon
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:crime_win32_csbeacon_1
Author:@VK_Intel
Description:Detects Cobalt Strike loader
Reference:https://twitter.com/VK_Intel/status/1239632822358474753
Rule name:CS_beacon
Author:Etienne Maynier tek@randhome.io
Rule name:HKTL_CobaltStrike_Beacon_4_2_Decrypt
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
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
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_Unlicensed_CobaltStrike_EICAR_Jul18_5
Author:Florian Roth
Description:Detects strings found in CobaltStrike shellcode
Reference:https://researchcenter.paloaltonetworks.com/2018/07/unit42-new-threat-actor-group-darkhydrus-targets-middle-east-government/
Rule name:HKTL_Win_CobaltStrike
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
Author:ditekSHen
Description:detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Malware_QA_vqgk
Author:Florian Roth
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
Author:ditekSHen
Description:CobaltStrike payload
Rule name:PowerShell_Susp_Parameter_Combo
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ReflectiveLoader
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:WiltedTulip_ReflectiveLoader
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
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.

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