MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42. 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: 18

Intelligence 18 IOCs 1 YARA 65 File information Comments

SHA256 hash:	b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42
SHA3-384 hash:	6b9b30c8a65ffb8e46aeb8b3016dc1a74e8342c75a9c1b5b2358ec5eff82c7d674e1b246f0377efda2e7a60cbc668355
SHA1 hash:	1c2a047b3b8615eb5e64767ef59babe6970df435
MD5 hash:	2abf93b7208d961196a6b2921adbaa6c
humanhash:	jersey-sad-uniform-coffee
File name:	svchost.exe
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	3'560'960 bytes
First seen:	2025-10-20 04:34:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	97985fe829e80ceb680178c92fadd6f1 (2 x CobaltStrike)
ssdeep	49152:bUcVFurU90BJDAAncJNZayMUeswP6uLRWAh9XtTFkt7j0oDnYoxx5ZjmOY:48FZ9JAnYPa56wD8CJkt7YmYoxPMB
TLSH	T19EF53397F90D6DABDA436B7545682563EBCA91270FF618C4074ECB0EB6D3413E08B42E
TrID	38.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.6% (.ICL) Windows Icons Library (generic) (2059/9) 15.4% (.EXE) OS/2 Executable (generic) (2029/13) 15.2% (.EXE) Generic Win/DOS Executable (2002/3) 15.2% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	kafan_shengui
Tags:	CobaltStrike exe

kafan_shengui

C&C:101.35.95.220

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
101.35.95.220:18062	https://threatfox.abuse.ch/ioc/1561868/

Intelligence

File Origin

# of uploads :

# of downloads :

142

Origin country :

Vendor Threat Intelligence

Malware family:

cobaltstrike

ID:

File name:

svchost.exe

Verdict:

Malicious activity

Analysis date:

2025-10-20 04:35:06 UTC

Tags:

antivm delphi cobaltstrike

Link:

https://app.any.run/tasks/36e45959-a4bd-4695-a91a-a30c522a9009

Note:

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

Detection:

CobaltStrikeStager

Link:

https://www.capesandbox.com/analysis/33374/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68f5bbf9c949ca4fcbe38902

Tags:

cobaltstrike cobalt emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Sending an HTTP GET request

Sending a custom TCP request

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

enigma obfuscated obfuscated packed packed packer_detected threat

Link:

https://www.filescan.io/uploads/68f5bc253a79800405eb9ba5/reports/1f962989-e6b0-467d-b488-8a559f64612b/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42

Verdict:

Malicious

File Type:

exe x64

First seen:

2025-10-20T01:43:00Z UTC

Last seen:

2025-10-20T20:29:00Z UTC

Hits:

~100

Detections:

Backdoor.Cobalt.HTTP.C&C Trojan.Win32.Cometer.sb Trojan.Win32.CobaltStrike.mz Trojan.Win32.Cobalt.sb Trojan.Win32.CobaltStrike.lnv BSS:Exploit.Win32.Generic Trojan.Win64.Shlem.sb Trojan.Win64.Ogneglazka.g Trojan.Win32.Shelma.a Trojan.Win64.Cobalt.sb Trojan.Win32.Shelm.a Trojan.Win32.CobaltStrike.sb BSS:Exploit.Win32.Generic.nblk Trojan.Win64.Shelm.sb Trojan.Win64.CozyDuke.sb HEUR:Trojan.Win64.CobaltStrike.gen HackTool.Cobalt.HTTP.C&C VHO:Trojan.Win32.CobaltStrike.lnv

Link:

https://opentip.kaspersky.com/b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42/results?tab=lookup

Malware family:

Cobalt Strike

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a6379b2b-042d-49b2-85e1-5a0ea61a3068

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/2abf93b7208d961196a6b2921adbaa6c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42/

Verdict:

Malicious

Threat:

Family.COBALTSTRIKE

Link:

https://tip.neiki.dev/file/b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42

Threat name:

Win64.Backdoor.Cobeacon

Status:

Malicious

First seen:

2025-10-20 04:35:07 UTC

File Type:

PE+ (Exe)

AV detection:

30 of 37 (81.08%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wfwrshpj57chhwwcz6cyijp5wcufd22w4ef3t4gpvhr7pfq4tvba._file

Result

Malware family:

cobaltstrike

Score:

10/10

Tags:

family:cobaltstrike backdoor trojan

Link:

https://tria.ge/reports/251020-e724sasjew/

Behaviour

Suspicious use of NtSetInformationThreadHideFromDebugger

Cobaltstrike

Cobaltstrike family

Malware Config

C2 Extraction:

http://101.35.95.220:18062/Sem8

Verdict:

Suspicious

Tags:

c2 Cobalt_Strike

YARA:

n/a

Link:

https://app.threat.zone/submission/b98c7248-90aa-4dcc-bfe0-797526cc1347

Unpacked files

SH256 hash:

b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42

MD5 hash:

2abf93b7208d961196a6b2921adbaa6c

SHA1 hash:

1c2a047b3b8615eb5e64767ef59babe6970df435

Link:

https://www.unpac.me/results/d8f0b1b2-d5bb-436a-ace6-071bc4717e55/

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b16d191de9ef/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/b16d191de9efc473dac2cf858425fdb0a851eb56e10bb9f0cfa9e3f7961c9d42

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_Sleep_Decoder_Indicator Create hunting rule
Author:	yara@s3c.za.net
Description:	Detects CobaltStrike sleep_mask decoder

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_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:	EnigmaStub Create hunting rule
Author:	@bartblaze
Description:	Identifies Enigma packer stub.

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_4_2_Decrypt Create hunting rule
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 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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

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:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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:	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_b54b94ac Create hunting rule
Author:	Elastic Security
Description:	Rule for beacon sleep obfuscation routine

Rule name:	Windows_Trojan_CobaltStrike_ee756db7 Create hunting rule
Author:	Elastic Security
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_sleep_encrypt Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects Sleep Encryption Logic Found in Cobalt Strike Deployments

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

https://www.capesandbox.com/analysis/33374/

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