MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c. 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: 19


Intelligence 19 IOCs 1 YARA 65 File information Comments
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SHA256 hash: 4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c
SHA3-384 hash: a39aabc6d27da1c32d37c46633d788ce5e30f4325b1525e5adf3a168e0dc7013b66bfbacaadcffde754f47ba7598abaf
SHA1 hash: 28fc36b7424c36cde62d56614578ea028beee0dc
MD5 hash: f89397a0e536d7a24a37295152a75d2c
humanhash: orange-lima-cat-uranus
File name:f89397a0e536d7a24a37295152a75d2c.exe
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'584'960 bytes
First seen:2025-09-19 08:50:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 36 x Vidar)
ssdeep 24576:jDo8oXkNAQ+FCmtzSCdfWbgYpBWQE9mwnb1K:jk8viTFCmtzSC6gYpTE9mwnb1K
Threatray 1 similar samples on MalwareBazaar
TLSH T158754B0BBC91A0BAD5AAD232892592907A317C440F3127D73B50B7FA2F767D41F79368
gimphash d2a3b275edc6218eb259c7afba9d7905ddd46d635517b17e34f2033a193bee0b
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:CobaltStrike exe


Avatar
abuse_ch
CobaltStrike C2:
49.232.21.222:80

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
49.232.21.222:80 https://threatfox.abuse.ch/ioc/1578987/

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
cobaltstrike
Create hunting rule
ID:
1
File name:
f89397a0e536d7a24a37295152a75d2c.exe
Verdict:
Malicious activity
Analysis date:
2025-09-19 08:52:44 UTC
Tags:
cobaltstrike backdoor golang
Link:
https://app.any.run/tasks/db8bc2c3-d381-4da8-95e5-5388aa829916

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28288/
Detection(s):
Win.Malware.Tedy-10009238-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cd19726b621794b130dc5f
Tags:
cobaltstrike cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 crypto golang redcap
Link:
https://www.filescan.io/uploads/68cd196b73af424b47e7499b/reports/d7018538-b9bf-4178-b33c-7100af91f12c/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-03T07:58:00Z UTC
Last seen:
2025-09-03T07:58:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Shelma.a Trojan.Win64.Shelm.sb Trojan.Win32.Cometer.sb Trojan.Win32.CobaltStrike.sb Trojan.Win32.CobaltStrike.mz HEUR:Trojan.Win64.CobaltStrike.gen Trojan.Win64.Cobalt.sb Trojan.Win32.Shelm.a Trojan.Win32.Agent.sb Trojan.Win64.Tide.sb PDM:Exploit.Win32.Generic Trojan.Win64.Shlem.sb Trojan.Win32.Cobalt.sb HEUR:Trojan.Win64.Tidebypass.gen
Link:
https://opentip.kaspersky.com/4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c/results?tab=lookup
Malware family:
Cobalt Strike
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d05230a6-8655-4170-9eaa-7a8dfd40d72e
Result
Threat name:
CobaltStrike, Metasploit
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1780590
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Suricata IDS alerts for network traffic
Yara detected CobaltStrike
Yara detected Metasploit Payload
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/f89397a0e536d7a24a37295152a75d2c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c/
Verdict:
Malicious
Threat:
Family.COBALTSTRIKE
Link:
https://tip.neiki.dev/file/4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c
Threat name:
Win64.Backdoor.Cobeacon
Create hunting rule
Status:
Malicious
First seen:
2025-09-02 13:20:00 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ioin46jmgp5tldsjirhvyqbutuxqskom6gbaxgf4jqu42chpi5oa._file
Verdict:
malicious
Label(s):
metasploit
Create hunting rule
Similar samples:
4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c
CobaltStrike
error
CobaltStrike
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Link:
https://tria.ge/reports/250919-krz75sgk5z/
Behaviour
Cobaltstrike
Cobaltstrike family
Malware Config
C2 Extraction:
http://49.232.21.222:80/9Cro
Verdict:
Malicious
Tags:
Win.Malware.Tedy-10009238-0 Cobalt_Strike c2
YARA:
n/a
Link:
https://app.threat.zone/submission/cda94718-739e-436d-9484-639abc9af83a
Unpacked files
SH256 hash:
4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c
MD5 hash:
f89397a0e536d7a24a37295152a75d2c
SHA1 hash:
28fc36b7424c36cde62d56614578ea028beee0dc
Link:
https://www.unpac.me/results/d7ef3ba7-e038-4a68-8b75-28a34b544ca5/
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/4390de792c33fb358e49444f5c40349d2f0929ccf1820b98bc4c29cd08ef475c

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 (Nextron Systems)
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
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:Cobaltbaltstrike_Beacon_x64
Create hunting rule
Author:Avast Threat Intel Team
Description:Detects CobaltStrike payloads
Reference:https://github.com/avast/ioc
Rule name:Cobaltstrike1
Create hunting rule
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:Cobaltstrike2
Create hunting rule
Author:Ahmet Payaslioglu | Binalyze DFIR LAB
Description:Cobalt Strike Detection
Rule name:CobaltStrikeBeacon
Create hunting rule
Author:ditekshen, enzo & Elastic
Description:Cobalt Strike Beacon Payload
Rule name:CobaltStrike_C2_Encoded_XOR_Config_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike C2 encoded profile configuration
Rule name:CobaltStrike_MZ_Launcher
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike MZ header ReflectiveLoader launcher
Rule name:CobaltStrike_ReflectiveLoader_RID3297
Create hunting rule
Author:Florian Roth
Description:Detects reflective loader (Cobalt Strike)
Reference:http://www.clearskysec.com/tulip
Rule name:CobaltStrike_Sleeve_BeaconLoader_x64_o_v4_3_v4_4_v4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's sleeve/BeaconLoader.x64.o (Base) 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_Unmodifed_Beacon
Create hunting rule
Author:yara@s3c.za.net
Description:Detects unmodified CobaltStrike beacon DLL
Rule name:CobaltStrike__Sleeve_BeaconLoader_x64_o_v4_3_v4_4_v4_5_and_v4_6
Create hunting rule
Author:gssincla@google.com
Rule name:cobalt_strike_beacon_decrypted
Create hunting rule
Author:0x0d4y
Description:This rule detects cobalt strike decrypted beacons.
Rule name:cobalt_strike_beacon_detected
Create hunting rule
Author:0x0d4y
Description:This rule detects cobalt strike beacons.
Rule name:command_and_control
Create hunting rule
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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:HKTL_CobaltStrike_Beacon_Strings
Create hunting rule
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_CobaltStrike_SleepMask_Jul22
Create hunting rule
Author:CodeX
Description:Detects static bytes in Cobalt Strike 4.5 sleep mask function that are not obfuscated
Reference:https://codex-7.gitbook.io/codexs-terminal-window/blue-team/detecting-cobalt-strike/sleep-mask-kit-iocs
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:HKTL_Win_CobaltStrike
Create hunting rule
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:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_ReflectiveLoader
Create hunting rule
Author:ditekSHen
Description:Detects Reflective DLL injection artifacts
Rule name:Leviathan_CobaltStrike_Sample_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:Leviathan_CobaltStrike_Sample_1_RID3324
Create hunting rule
Author:Florian Roth
Description:Detects Cobalt Strike sample from Leviathan report
Reference:https://goo.gl/MZ7dRg
Rule name:malware_CobaltStrike_v3v4
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect CobaltStrike Beacon in memory
Reference:https://blogs.jpcert.or.jp/en/2018/08/volatility-plugin-for-detecting-cobalt-strike-beacon.html
Rule name:Malware_QA_vqgk
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:VT Research QA uploaded malware - file vqgk.dll
Reference:VT Research QA
Rule name:MALWARE_Win_CobaltStrike
Create hunting rule
Author:ditekSHen
Description:CobaltStrike payload
Rule name:MALW_cobaltrike
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Rule to detect CobaltStrike beacon
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.cobalt_strike
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
Create hunting rule
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:ReflectiveLoader
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Trojan_Raw_Generic_4
Create hunting rule
Author:FireEye
Reference:https://www.fireeye.com/blog/products-and-services/2020/12/fireeye-shares-details-of-recent-cyber-attack-actions-to-protect-community.html
Rule name:troj_win_cobaltstrike_memoryinject
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Detects Cobalt Strike payload typically loaded into memory via PowerShell.
Rule name:WiltedTulip_ReflectiveLoader
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects reflective loader (Cobalt Strike) used in Operation Wilted Tulip
Reference:http://www.clearskysec.com/tulip
Rule name:Windows_Trojan_CobaltStrike_1787eef5
Create hunting rule
Author:Elastic Security
Description:CS shellcode variants
Rule name:Windows_Trojan_CobaltStrike_3dc22d14
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_CobaltStrike_663fc95d
Create hunting rule
Author:Elastic Security
Description:Identifies CobaltStrike via unidentified function code
Rule name:Windows_Trojan_CobaltStrike_ee756db7
Create hunting rule
Description:Attempts to detect Cobalt Strike based on strings found in BEACON
Rule name:Windows_Trojan_CobaltStrike_f0b627fc
Create hunting rule
Description:Rule for beacon reflective loader
Rule name:win_cobalt_strike_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/28288/

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