MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746. 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: 18

Intelligence 18 IOCs YARA 34 File information Comments

SHA256 hash:	2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746
SHA3-384 hash:	49468912c536f14e6668ed6c3aeba523a8f356989dc5e490856db6cb20e10d0d65545307d7e4819e9d6599fbb9f0be52
SHA1 hash:	04c88ad267a74a225e233e41a81b09525cfcd649
MD5 hash:	9ace6e5a4cf30c67b2630652bdc97c0d
humanhash:	four-high-grey-football
File name:	powershell2.exe
Download:	download sample
Signature	Cobalt Strike Create hunting rule
File size:	328'704 bytes
First seen:	2025-06-13 06:33:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	147442e63270e287ed57d33257638324 (143 x CobaltStrike, 21 x Cobalt Strike)
ssdeep	6144:qSb90z0fUMOKEMs0/FTUxoBmHr7iczn9+brBhjnUx:qSbCz0fUandS6Sngblhg
Threatray	717 similar samples on MalwareBazaar
TLSH	T15E64BE468363DB21D28864BE9B5ADEDC9F280C4C1442C54914BFDEFAFD06B38967D18E
TrID	41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	juroots
Tags:	Cobalt Strike exe

Intelligence

File Origin

# of uploads :

# of downloads :

1'205

Origin country :

Vendor Threat Intelligence

Malware family:

cobaltstrike

ID:

File name:

powershell2.exe

Verdict:

Malicious activity

Analysis date:

2025-06-13 06:32:40 UTC

Tags:

cobaltstrike xor-url generic

Link:

https://app.any.run/tasks/ffe4e149-6320-43bd-82b7-421b0d476e35

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/9284/

Detection(s):

Win.Trojan.CobaltStrike-9044898-1

Win.Trojan.CobaltStrike-7899871-1

Win.Countermeasure.LoaderWinGeneric-9804845-2

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=684bc86407b5e8c1cfe6a670

Tags:

cobaltstrike dridex emotet cobalt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug cobalt config-extracted packed packed packer_detected

Link:

https://www.filescan.io/uploads/684bc819171e01f9593f59b1/reports/eabe870f-77fe-45d2-946e-41122c4ccf5b/overview

Verdict:

Malicious

Labled as:

Dump:Generic.Beacon.Marte.B

Link:

https://www.hybrid-analysis.com/sample/2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746

Malware family:

Cobalt Strike

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/17ab75ed-7679-4a50-a1c3-1f217c90de9b

Result

Threat name:

CobaltStrike

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1713876

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found API chain indicative of debugger detection

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected CobaltStrike

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746

Detection:

cobaltstrike

Link:

https://mwdb.cert.pl/sample/2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746/

Threat name:

Win64.Backdoor.CobaltStrike

Status:

Malicious

First seen:

2025-06-13 06:37:29 UTC

File Type:

PE+ (Exe)

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fogv3o5v5ujuoltgypvkyejqwgml2ptoiv6vesewlryhginci5da._file

Verdict:

malicious

Label(s):

cobaltstrike

Cobalt Strike

2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746

Cobalt Strike

a3e332646e43890e7b3183ded948de23fb483f3f5783274a4aaaf84e34bf7633

Cobalt Strike

c182c97694e8cb1f8f96ec3cd51870f2905c0461edc2288f6fb79981a4980bb8

Cobalt Strike

d69fa80c8e54e8331e63c2d130a5d7b475f8c378971d9571db1d368662f7d6fd

Cobalt Strike

error

Cobalt Strike

+ 707 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/250613-hbwhxasqv2/

Verdict:

Malicious

Tags:

red_team_tool cobalt_strike Win.Trojan.CobaltStrike-9044898-1

YARA:

win_cobaltstrike_pipe_strings_nov_2023 Windows_Trojan_CobaltStrike_7f8da98a

Link:

https://app.threat.zone/submission/bf36a008-4ec4-4f03-ad33-40d951ce9e0d

Unpacked files

SH256 hash:

2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746

MD5 hash:

9ace6e5a4cf30c67b2630652bdc97c0d

SHA1 hash:

04c88ad267a74a225e233e41a81b09525cfcd649

Link:

https://www.unpac.me/results/efad3e30-96f5-4027-a6a2-6a484fab2b0d/

Malware family:

CobaltStrike

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2b8d5dbbb5ed/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/2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746

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:	Cobaltbaltstrike_Beacon_x64 Create hunting rule
Author:	Avast Threat Intel Team
Description:	Detects CobaltStrike payloads
Reference:	https://github.com/avast/ioc

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_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__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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	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:	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:	pe_detect_tls_callbacks Create hunting rule

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:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

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:	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_cobaltstrike_pipe_strings_nov_2023 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects default strings related to cobalt strike named pipes

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

Cobalt Strike

exe 2b8d5dbbb5ed13472e66c3eaac1130b198bd3e6e457d5248965c707321a24746

(this sample)

Cape

https://www.capesandbox.com/analysis/9284/

URLhaus

https://urlhaus.abuse.ch/url/3561771/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA

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