MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e. 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: 20

Intelligence 20 IOCs YARA 60 File information Comments

SHA256 hash:	f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e
SHA3-384 hash:	99fa1edbaad54ef0cb2d6451ccd7094345245c3764fcda0c30dde8baba1c91ddfcefb7e1d11aa5f7ed84ab1979bd7e87
SHA1 hash:	210a5380007df4fa49140410938a39f2251d6548
MD5 hash:	d24014049064389357dab970e72e6298
humanhash:	massachusetts-indigo-undress-fish
File name:	QQ电脑版_buIzy6zd.exe
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	4'641'032 bytes
First seen:	2026-09-05 15:53:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	147442e63270e287ed57d33257638324 (161 x CobaltStrike, 22 x Cobalt Strike)
ssdeep	98304:+AYSNdx/hBiTCL3S+IkhRTWEqfn0FJEehp+8:+AYSNdx/Gp+IGZW9f0FJEehp+8
TLSH	T1C026BF56D1A943D8E473157895109AF05BE66CAEF1E4B402BDBCB42F4FB79C0C92A0B3
TrID	40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 16.0% (.EXE) Win64 Executable (generic) (6522/11/2) 12.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.0% (.EXE) Win32 Executable (generic) (4504/4/1) 5.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
dhash icon	d8a68eb2b2b286aa (6 x Adware.Generic, 1 x CobaltStrike, 1 x Poisonivy)
Reporter	Ling
Tags:	Cobalt Strike CobaltStrike exe SilverFox ValleyRAT

CNGaoLing

SilverFox / CobaltStrike
IOC (IP 43.225.47.57:443)

Intelligence

File Origin

# of uploads :

# of downloads :

319

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

ArtifactKit CobaltStrike

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f097a555-b800-41e8-a460-6b3d17a7dc46/

Malware family:

cobaltstrike

ID:

File name:

QQ电脑版_buIzy6zd.exe

Verdict:

Malicious activity

Analysis date:

2026-09-05 15:27:29 UTC

Tags:

cobaltstrike

Link:

https://app.any.run/tasks/15072ea1-5b40-42df-8d5c-ade4d55a0546

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

CobaltStrikeBeacon

Link:

https://www.capesandbox.com/analysis/84145/

Detection(s):

SecuriteInfo.com.Trojan.Siggen19.54334.UNOFFICIAL

Win.Countermeasure.LoaderWinGeneric-9804845-2

Win.Trojan.CobaltStrike-7899871-1

Win.Trojan.CobaltStrike-9044898-1

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac8dd6e3e8173810a5dec26

Tags:

cobaltstrike vmdetect cobalt emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Launching a service

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm base64 cobaltstrike cobaltstrike config-extracted evasive expired-cert explorer fingerprint fingerprint installer-heuristic keylogger keylogger loader lolbin overlay packed packed reconnaissance runonce

Link:

https://www.filescan.io/uploads/6a9c3ae976cfda52b76424d6/reports/3cbf0f7f-7e5c-48cf-bc92-e65f684b0dbf/overview

Verdict:

Malicious

Labled as:

Dump:Generic.Malware.SFM

Link:

https://www.hybrid-analysis.com/sample/f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-09-05T12:19:00Z UTC

Last seen:

2026-09-07T11:35:00Z UTC

Hits:

~10

Detections:

Trojan.Win64.CozyDuke.sb Trojan.Win32.Cometer.sb Trojan.Win32.CobaltStrike.sb Trojan.Win32.Cobalt.sb HEUR:Trojan.Win32.Generic HEUR:Trojan.Win32.CobaltStrike.gen Trojan.Win64.Ogneglazka.g Trojan.Win64.Cobalt.sb Trojan.Win32.CobaltStrike.mz HEUR:Trojan.Win64.CobaltStrike.gen not-a-virus:HEUR:Downloader.Win32.Duba.gen

Link:

https://opentip.kaspersky.com/f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e/results?tab=lookup

Malware family:

Cobalt Strike

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/53f9657d-937b-49cb-b506-a1c92907edb3

Score:

89%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e

Verdict:

Malware

YARA:

6 match(es)

Tags:

.Net Archive 7z non extractible (chiffrée, corrompue ou vide) DeObfuscated Executable Javascript Obfuscated PDB Path PE (Portable Executable) PE File Layout SFX 7z T1027 T1059.005 T1059.007 VBScript Win 64 Exe x64

Link:

https://app.malva.re/file/d24014049064389357dab970e72e6298

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e/

Threat name:

Win64.Backdoor.CobaltStrike

Status:

Malicious

First seen:

2026-09-05 15:54:23 UTC

File Type:

PE+ (Exe)

Extracted files:

223

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6u243ozs3us7u7p3zw5os3vpxvlubcboiy2vy6gisure3zxsfzha._file

Verdict:

malicious

Label(s):

CobaltStrike

Link:

https://reports.threatray.com/ee1d72b5-49b0-42b6-aa5f-83541e9740a1

Result

Malware family:

cobaltstrike

Score:

10/10

Tags:

family:cobaltstrike botnet:987654321 backdoor trojan

Link:

https://tria.ge/reports/260905-tbp7nseg22/

Behaviour

Family: Cobaltstrike

Malware Config

C2 Extraction:

http://43.225.47.57:443/ptj

Unpacked files

SH256 hash:

f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e

MD5 hash:

d24014049064389357dab970e72e6298

SHA1 hash:

210a5380007df4fa49140410938a39f2251d6548

Detections:

triage_cobaltstrike

triage_cobaltstrike_beacon

triage_cobaltstrike_cobalt_staged

Link:

https://www.unpac.me/results/481e9f92-ea34-41ad-b6dc-ee80b67c49a4/

SH256 hash:

2a6eee249a058b3e5c9fc0ca1b71ae1e880ec497d04ae2337b004d475753d7dc

MD5 hash:

d3e053c82badf02eb77b320c9cd33075

SHA1 hash:

29290271b00a198542e18eb204471daa2d6f70a1

Link:

https://www.unpac.me/results/481e9f92-ea34-41ad-b6dc-ee80b67c49a4/

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f535cdbb32dd/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/f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e

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:	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:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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:	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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	OutlookBackdoor Create hunting rule

Rule name:	pe_detect_tls_callbacks Create hunting rule

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:	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:	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:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

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_7f8da98a Create hunting rule
Author:	Elastic Security

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.

Web download

CobaltStrike

exe f535cdbb32dd25fa7dfbcdbae96eafbd5740882e46355c78c895224de6f22e4e

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/84145/

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