MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bea27ed2fe4e48eebf79f045b50ab89be138596620155c3f47a75bf1b99ab824. 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 28 File information Comments

SHA256 hash: bea27ed2fe4e48eebf79f045b50ab89be138596620155c3f47a75bf1b99ab824
SHA3-384 hash: 6d522c3611dd43ce8b33c6f61cf456aaaf9e03cbbab446da5d95e13b5f978f7347b4ab3755eae9a8b58ee6788f06eb5d
SHA1 hash: 2e20c8878c2be89ad453ca8c1c9ef2c6e4778686
MD5 hash: cbbef1e038d1b7826c464d33a4e9b104
humanhash: oranges-violet-pizza-william
File name:北京地铁运营公司-基于自主定位和自主感知的信号备用系统研究项目举报函.exe
Download: download sample
Signature Cobalt Strike
File size:2'864'640 bytes
First seen:2025-12-22 09:39:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c2d457ad8ac36fc9f18d45bffcd450c2 (24 x CobaltStrike, 8 x Sliver, 5 x Lazarus)
ssdeep 49152:W6/DXW4G1gKry+8XoUjXBX4OJqM8a40lB/dtwqS1H2t:9Dm8lXHea40lftb8
Threatray 98 similar samples on MalwareBazaar
TLSH T12ED59E4BBCE054A9D4AA533289B262927B75BC440F3233D72E90B37C2F76BC15A39754
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
dhash icon 60e0d48284c4e0cc (1 x CobaltStrike, 1 x Cobalt Strike)
Reporter Ling
Tags:Cobalt Strike CobaltstrikeBeacon exe Trojan:Win64/CobaltStrikeBeacon!rfn


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

Intelligence


File Origin
# of uploads :
1
# of downloads :
151
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
ea07b91e-f17e-4edb-b467-14c2319fa937
Verdict:
No threats detected
Analysis date:
2025-12-22 09:42:21 UTC
Tags:
golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
dridex
Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
DNS request
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-21T14:01:00Z UTC
Last seen:
2025-12-22T08:57:00Z UTC
Hits:
~100
Detections:
Backdoor.Cobalt.HTTP.C&C Trojan.Win64.Cobalt.sb Trojan.Win64.Agent.sb Trojan.Win32.CobaltStrike.sb Trojan.Win32.CobaltStrike.mz Trojan.Win32.CobaltStrike.mmj Trojan.Win32.Agent.sb BSS:Trojan.Win32.Generic
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.CobaltStrike
Status:
Malicious
First seen:
2025-07-11 23:22:06 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Cobaltstrike
Cobaltstrike family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bea27ed2fe4e48eebf79f045b50ab89be138596620155c3f47a75bf1b99ab824
MD5 hash:
cbbef1e038d1b7826c464d33a4e9b104
SHA1 hash:
2e20c8878c2be89ad453ca8c1c9ef2c6e4778686
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:CobaltStrike_MZ_Launcher
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/BeaconLoader.VA.x64.o (VirtualAlloc) Versions 4.3 through at least 4.6
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike__Sleeve_BeaconLoader_VA_x64_o_v4_3_v4_4_v4_5_and_v4_6
Author:gssincla@google.com
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_CobaltStrike_1787eef5
Author:Elastic Security
Description:CS shellcode variants
Rule name:win_cobalt_strike_auto
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.

Web download

Cobalt Strike

Executable exe bea27ed2fe4e48eebf79f045b50ab89be138596620155c3f47a75bf1b99ab824

(this sample)

  
Delivery method
Distributed via web download

Comments