MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99. 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: 13

Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash:	65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99
SHA3-384 hash:	fdc182513b264675157eced7c807fa7258560c7305385f707350546528851be95a427f4322e9f94ddfd2864bcb98f2b5
SHA1 hash:	6345cd623929529c977b0b99894f918c3f2f780a
MD5 hash:	c4821e4f10c72d3540d37e5315061a08
humanhash:	diet-diet-connecticut-hydrogen
File name:	65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	5'664'768 bytes
First seen:	2024-08-01 13:18:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	259c038cd4434231e0e24f278026a0ea (5 x CobaltStrike, 2 x PythonStealer)
ssdeep	98304:/+HNnhT++T8xN3xX3f/QjUe7/lqCKJCpzCZN+7Q5HQRItKYys7QplkHD1AwfeUvl:/+HZhT++CN3l3Ha7/lICxK+71RIw4y4V
TLSH	T17E46331566B151E6F22391314E621756F77A3D690F1283AB43A123B3AF33BD40A3F396
TrID	48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 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)
Reporter	JAMESWT_WT
Tags:	43-143-198-113 Cobalt Strike CobaltStrike exe

Intelligence

File Origin

# of uploads :

# of downloads :

401

Origin country :

Vendor Threat Intelligence

Malware family:

cobaltstrike

ID:

File name:

65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99

Verdict:

Malicious activity

Analysis date:

2024-08-01 13:40:02 UTC

Tags:

cobaltstrike python

Link:

https://app.any.run/tasks/791f7275-d329-4fc4-af58-243d3d40d384

Note:

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

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ab8b4a037b02d0daecf0d7

Tags:

Infostealer Stealth Heur

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Creating a process from a recently created file

Creating a file

Connection attempt

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

expand lolbin microsoft_visual_cc nuitka packed packed shell32

Link:

https://www.filescan.io/uploads/66ab8b525568402317173404/reports/bb3867dc-de35-4d0a-ba23-e11af0d48a20/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99

Malware family:

Generic Malware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0a6315fa-dd2a-4c95-97ee-d119e80df5c7

Result

Threat name:

CobaltStrike, Metasploit

Detection:

malicious

Classification:

troj

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1486049

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Uses known network protocols on non-standard ports

Yara detected CobaltStrike

Yara detected Metasploit Payload

Behaviour

Behavior Graph:

Download SVG

Score:

88%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mx5d2npbuwagb6os6vmjpit37n63njuuzapxy7qvbjg7dy2t5kmq._file

Verdict:

unknown

Result

Malware family:

cobaltstrike

Score:

10/10

Tags:

family:cobaltstrike backdoor trojan

Link:

https://tria.ge/reports/240801-qkhbmssckk/

Behaviour

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Executes dropped EXE

Loads dropped DLL

Cobaltstrike

Malware Config

C2 Extraction:

http://43.143.198.113:4567/mq2M

Malware Family:

n/a

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/00638eac-dbac-4719-be02-c080f382387e

Unpacked files

SH256 hash:

65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99

MD5 hash:

c4821e4f10c72d3540d37e5315061a08

SHA1 hash:

6345cd623929529c977b0b99894f918c3f2f780a

Link:

https://www.unpac.me/results/aefff569-1f40-4a80-a5b1-fa3e8e584da0/

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/65fa3d35e1a58060f9d2f55897a27bfb7db6a694c81f7c7e150a4df1e353ea99

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	DebuggerCheck__API 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:	nuitka_py_compiler Create hunting rule
Author:	Nikolaos 'n0t' Totosis
Description:	Executable compiled with Nuitka Python Compiler

Rule name:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::GetFileAttributesW

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