MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6. 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: 15

Intelligence 15 IOCs YARA 24 File information Comments

SHA256 hash:	9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6
SHA3-384 hash:	cb23b5d7759641aee3671ec7507a8d18eac7670ca0cce46c5e647efe4dd45bb25b665321dcd57cead1c614ff633140a6
SHA1 hash:	98677ae959a73c9526ce62af679b0cf9270f7ae6
MD5 hash:	39e1091865c811de41e96f38609100e6
humanhash:	edward-connecticut-rugby-maine
File name:	Internal Communications_230_malicious.docx
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	416'463 bytes
First seen:	2026-04-24 11:16:15 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	6144:X6yMzAJsd1M676mdi9Ijv2YEHU5tRHVLFwoymbdnNEE4otr8z6lj/:XAgsdPeDHU5jsSdnB4oWz4D
Threatray	2 similar samples on MalwareBazaar
TLSH	T16894E01AB395BD52E923553EA9634B202FF6FCA60B28E36719D8321E5C733944CE0F51
TrID	42.4% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13) 29.2% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12) 17.3% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7) 8.9% (.ZIP) Open Packaging Conventions container (17500/1/4) 2.0% (.ZIP) ZIP compressed archive (4000/1)
Magika	xlsx
Reporter	smica83
Tags:	CobaltStrike xlsx

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

MalwareBazaar was able to identify 11 sections in this file using oledump:

Section ID	Section size	Section name
A1	0 bytes	PROJECT
A2	0 bytes	PROJECTwm
A3	4099 bytes	VBA/DocMain
A4	4099 bytes	VBA/Module80
A5	0 bytes	VBA/_VBA_PROJECT
A6	4099 bytes	VBA/dir
B1	0 bytes	CompObj
B2	400543 bytes	Ole10Native
B3	0 bytes	OLE

Intelligence

File Origin

# of uploads :

# of downloads :

205

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

CobaltStrike MSO

Details

CobaltStrike

a configuration XOR key and verbose configuration settings

CobaltStrike

a patched binary

MSO

extracted OLE packages, if they are present within the input OOXML document

Link:

https://research.acce.ciphertechsolutions.com/results/2a2c1ff6-6891-466f-8d52-6135252ea8e9/

Malware family:

n/a

ID:

File name:

xlsx

Verdict:

No threats detected

Analysis date:

2026-04-24 11:17:10 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/fbcbacf2-35e3-4441-98d8-d033f7134a9e

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/63448/

Detection(s):

SecuriteInfo.com.Office.Macro-29.UNOFFICIAL

SecuriteInfo.com.Office.Macro-15.UNOFFICIAL

SecuriteInfo.com.W97M.CMD-5.UNOFFICIAL

MiscreantPunch.PSHELLCHRFEQCNTEXE.170818.UNOFFICIAL

SecuriteInfo.com.Generic.Beacon.Marte.B.ABA5CE12.28735.30294.UNOFFICIAL

YARA.MALPEDIA_Win_Cobalt_Strike_Auto.UNOFFICIAL

YARA.VOLEXITY_Malware_Win_Cobaltstrike_D.UNOFFICIAL

YARA.SIGNATURE_BASE_HKTL_Win_Cobaltstrike.UNOFFICIAL

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69eb51124aed15d0792fd5b2

Tags:

cobaltstrike cobalt

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

DNS request

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects and Macro

Link:

https://app.docguard.net/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6/results/dashboard

Behaviour

SuspiciousEmbeddedObjects detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

base64 cobalt cobalt cobaltstrike exploit masquerade obfuscated packed payload windows

Link:

https://www.filescan.io/uploads/69eb510e8a82359247b05039/reports/cfcc0cdf-a247-4bfb-aa40-f4ac18dbff96/overview

Verdict:

Malicious

Labled as:

Msoffice/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6

Label:

Benign

Suspicious Score:

/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=085f69e0-e8cb-4a2a-ae65-72cfe6e1e629

Verdict:

Malicious

File Type:

xlsm

First seen:

2026-04-17T23:49:00Z UTC

Last seen:

2026-04-18T00:05:00Z UTC

Hits:

~10

Detections:

Backdoor.Win64.Farfli.gen

Link:

https://opentip.kaspersky.com/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6/results?tab=lookup

Result

Threat name:

CobaltStrike

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1903920

Signature

C2 URLs / IPs found in malware configuration

Document contains OLE streams which likely are hidden ActiveX objects

Document contains OLE streams with names of living off the land binaries

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:

98%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6/

Verdict:

Malicious

Threat:

Backdoor.Win64.Farfli

Link:

https://tip.neiki.dev/file/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6

Threat name:

Win32.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-04-16 20:47:14 UTC

File Type:

Document

Extracted files:

AV detection:

8 of 24 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=t4ryvv7onh42kgndvavz7efpwxgmzdnunn5zkaox7zt57efpzhta._file

Verdict:

malicious

Label(s):

cobaltstrike

CobaltStrike

error

CobaltStrike

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/260424-nddnrsgy2k/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.15

Link:

https://yomi.yoroi.company/submissions/9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6

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:	AutoIT_Script Create hunting rule
Author:	@bartblaze
Description:	Identifies AutoIT script. This rule by itself does NOT necessarily mean the detected file is malicious.

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

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

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_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:	informational_win_ole_protected Create hunting rule
Author:	Jeff White (karttoon@gmail.com) @noottrak
Description:	Identify OLE Project protection within documents.

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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:	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:	vbaproject_bin Create hunting rule
Author:	CD_R0M_
Description:	{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

Rule name:	Weedhack_Family_Generic Create hunting rule
Author:	jlab
Description:	Generic Weedhack family detection

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_f0b627fc Create hunting rule
Description:	Rule for beacon reflective loader

Rule name:	Windows_Trojan_CobaltStrike_f0b627fc Create hunting rule
Author:	Elastic Security
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

https://www.capesandbox.com/analysis/63448/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample