MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c. 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: 17

Intelligence 17 IOCs YARA 8 File information Comments

SHA256 hash:	26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c
SHA3-384 hash:	916b7c581b5ecd875eb791e3d84893410c742d808a5c6dec11d99f8fd71b8b5c2a4e731bb7f26d9c0e46e2b6c010cf70
SHA1 hash:	139e56192c8aee644355b21cffc126c21df9a9eb
MD5 hash:	d2733bf9c81ddf4f730c65fce8e02629
humanhash:	spaghetti-cup-march-bravo
File name:	26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c
Download:	download sample
Signature	CobaltStrike Create hunting rule
File size:	684'087 bytes
First seen:	2024-08-04 08:47:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep	12288:xyveQB/fTHIGaPkKEYzURNAwbAgB2X+t4/EIHK6qVQid0f2aT344Ws/5g:xuDXTIGaPhEYzUzA0/0/c6hVfWsK
TLSH	T137E4BF09E7E809F8E0B7E578DA574902F77A7C4E03719A8F13A4156A1F27390DD3A722
TrID	76.9% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39) 16.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 3.0% (.EXE) Win64 Executable (generic) (10523/12/4) 1.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 0.5% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter	JAMESWT_WT
Tags:	45-76-192-215 Cobalt Strike CobaltStrike exe

Intelligence

File Origin

# of uploads :

# of downloads :

360

Origin country :

Vendor Threat Intelligence

Malware family:

cobaltstrike

ID:

File name:

26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c

Verdict:

Malicious activity

Analysis date:

2024-08-04 08:48:54 UTC

Tags:

cobaltstrike

Link:

https://app.any.run/tasks/9867ad6a-5112-421b-931f-5f3591d717e0

Note:

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

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66af4048037b02d0daed794d

Tags:

Encryption Execution Generic Network Static Stealth Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Searching for synchronization primitives

Creating a file

Running batch commands

Launching a process

Creating a process from a recently created file

Connection attempt

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm certutil certutil cobaltstrike fingerprint installer lolbin microsoft_visual_cc obfuscated overlay packed persistence powershell schtasks setupapi sfx shdocvw shell32

Link:

https://www.filescan.io/uploads/66af404499ea8891b19087a8/reports/418a37fd-af54-4d0b-866b-9125897e11ec/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Cobalt Strike

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6aa6f705-2883-402d-aa0e-8f523fc4412f

Result

Threat name:

CobaltStrike

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1487469

Signature

Adds a directory exclusion to Windows Defender

AI detected suspicious sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Contains functionality to detect sleep reduction / modifications

Drops PE files to the user root directory

Found API chain indicative of debugger detection

Found malware configuration

Loading BitLocker PowerShell Module

Machine Learning detection for dropped file

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Execution from Suspicious Folder

Sigma detected: Files With System Process Name In Unsuspected Locations

Sigma detected: Legitimate Application Dropped Executable

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Suspicious Program Location with Network Connections

Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected CobaltStrike

Yara detected Powershell download and execute

Behaviour

Behavior Graph:

Download SVG

Score:

72%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c

Detection:

cobaltstrike

Link:

https://mwdb.cert.pl/sample/26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c/

Threat name:

Win32.Trojan.CobaltStrike

Status:

Malicious

First seen:

2024-07-30 00:22:40 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 38 (47.37%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e23usvhnhyhidnhzgbhdxkqutbtdecqq6x3encedzh5ggwfhljwa._file

Verdict:

malicious

Label(s):

cobaltstrike

Result

Malware family:

n/a

Score:

8/10

Tags:

defense_evasion execution

Link:

https://tria.ge/reports/240804-kqe6kswanf/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Deobfuscate/Decode Files or Information

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Command and Scripting Interpreter: PowerShell

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ec1b0263-0ffe-4f82-98b1-9191a569b2f0

Unpacked files

SH256 hash:

26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c

MD5 hash:

d2733bf9c81ddf4f730c65fce8e02629

SHA1 hash:

139e56192c8aee644355b21cffc126c21df9a9eb

Link:

https://www.unpac.me/results/70167dfd-78b2-4847-a594-4ee0b26624ce/

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/26b74954ed3e0e81b4f9304e3baa149866320a10f5f6468883c9fa6358a75a6c

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

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

Rule name:	SelfExtractingRAR Create hunting rule
Author:	Xavier Mertens
Description:	Detects an SFX archive with automatic script execution

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

Reviews

ID	Capabilities	Evidence
GDI_PLUS_API	Interfaces with Graphics	gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipAlloc
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::LoadLibraryW KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AllocConsole KERNEL32.dll::AttachConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW

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