MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56181f668b1bd40f2c72909e7ed346ae6fdf176863ac42c0724bef5bf14d57fd. 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



Cobalt Strike


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 56181f668b1bd40f2c72909e7ed346ae6fdf176863ac42c0724bef5bf14d57fd
SHA3-384 hash: 9b2fc90fabda9356fc26462ffd62936026c1870d491ab4469134bce573c6ef8a966a5b39e2d8e890ca4ca1ecffe1483e
SHA1 hash: ae1ba3d4508f5b2800deb82b95d795c7c376b833
MD5 hash: f6bc7fb452deb644aae7fb6f5d9ae4dc
humanhash: london-beryllium-mango-nine
File name:reverse_bypass.exe
Download: download sample
Signature Cobalt Strike
File size:48'640 bytes
First seen:2026-02-13 21:55:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98ea3c0f3ab664d6f9f53a06aceed7fa (1 x Cobalt Strike)
ssdeep 768:1JDYkXZmphxK6crEunjJGrptMndjqHHMuVTFjlKyC:D0wsbXotGrzMAMCJjlK
Threatray 1 similar samples on MalwareBazaar
TLSH T162230A2BDD6B906BD35DCD74C9134811DE227C868BD6B9CF6B410DE208A5BA49F3E207
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Ling
Tags:Cobalt Strike exe Malgent Trojan:Win64/Malgent!MSR


Avatar
CNGaoLing
This sample has been reviewed by Microsoft researchers and determined to be malware. (Trojan:Win64/Malgent!MSR)

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
56181f668b1bd40f2c72909e7ed346ae6fdf176863ac42c0724bef5bf14d57fd.exe
Verdict:
No threats detected
Analysis date:
2026-02-13 19:20:44 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeStager
Verdict:
Malicious
Score:
99.1%
Tags:
virus
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm base64 microsoft_visual_cc packed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-13T14:51:00Z UTC
Last seen:
2026-02-13T15:05:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.Shelma.a HEUR:Trojan.Win32.Generic
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Suspicious use of WriteProcessMemory
Cobaltstrike
Cobaltstrike family
Malware Config
C2 Extraction:
http://192.168.65.128:443/uARU
Unpacked files
SH256 hash:
56181f668b1bd40f2c72909e7ed346ae6fdf176863ac42c0724bef5bf14d57fd
MD5 hash:
f6bc7fb452deb644aae7fb6f5d9ae4dc
SHA1 hash:
ae1ba3d4508f5b2800deb82b95d795c7c376b833
Malware family:
CobaltStrike
Verdict:
Malicious
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks

File information


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

Web download

Cobalt Strike

Executable exe 56181f668b1bd40f2c72909e7ed346ae6fdf176863ac42c0724bef5bf14d57fd

(this sample)

  
Delivery method
Distributed via web download

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