MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c. 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

ArkeiStealer

Vendor detections: 16

Intelligence 16 IOCs 1 YARA 7 File information Comments

SHA256 hash:	c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c
SHA3-384 hash:	02dc9a726db593af1c79ba56607f82d2e5929cda646eb1fd89a7cd841d9e71591a7a7e1b3c302d992d91e9fba5f03126
SHA1 hash:	eadc3f132e62bc29e7db686a440e411384de3b58
MD5 hash:	1acc4c16687d848711a9980e6ae72e50
humanhash:	may-johnny-beer-hot
File name:	1acc4c16687d848711a9980e6ae72e50.exe
Download:	download sample
Signature	ArkeiStealer Create hunting rule
File size:	464'872 bytes
First seen:	2024-08-24 09:50:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e8a30656287fe831c9782204ed10cd68 (7 x LummaStealer, 3 x RedLineStealer, 2 x DCRat)
ssdeep	12288:pOxPkPjQeqQ1Y53KR/WX+t4K5dKKVaGiL:nEeqQq3KZUMaGs
TLSH	T14CA48D49A3E509F9E4B7E67889824901E6767C0607319BDF13A0566B3F37390DE7E322
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)
Magika	pebin
File icon (PE):
dhash icon	9494b494d4aeaeac (882 x DCRat, 479 x NirCmd, 172 x RedLineStealer)
Reporter	abuse_ch
Tags:	ArkeiStealer exe

abuse_ch

ArkeiStealer C2:
http://104.194.151.11/AP.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://104.194.151.11/AP.php	https://threatfox.abuse.ch/ioc/1315816/

Intelligence

File Origin

# of uploads :

# of downloads :

442

Origin country :

Vendor Threat Intelligence

Malware family:

arkei

ID:

File name:

1acc4c16687d848711a9980e6ae72e50.exe

Verdict:

Malicious activity

Analysis date:

2024-08-24 09:52:24 UTC

Tags:

stealer loader arkei vidar

Link:

https://app.any.run/tasks/d6084693-6c95-49cc-9e4e-22701ab89513

Note:

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

Detection(s):

Win.Packer.Agent-9939871-1

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66c9ad08b2a4681a72968b54

Tags:

Encryption Execution Generic Infostealer Network Other Static Stealth Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Searching for the window

Сreating synchronization primitives

Searching for synchronization primitives

Creating a file in the %temp% subdirectories

Creating a process from a recently created file

Connection attempt

Sending an HTTP GET request

Creating a file

Reading critical registry keys

Changing a file

Creating a file in the %AppData% subdirectories

Running batch commands

Creating a process with a hidden window

Launching a process

Stealing user critical data

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c

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:

Oski Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8e5713e6-7bec-488d-b8e7-4545d17131ce

Result

Threat name:

Mars Stealer, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1498386

Signature

AI detected suspicious sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Contains functionality to detect sleep reduction / modifications

Found evasive API chain (may stop execution after checking computer name)

Found evasive API chain (may stop execution after checking locale)

Found evasive API chain (may stop execution after checking mutex)

Found many strings related to Crypto-Wallets (likely being stolen)

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

PE file has a writeable .text section

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Yara detected Mars stealer

Yara detected Vidar

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c/

Threat name:

Win64.Trojan.MarsStealer

Status:

Malicious

First seen:

2024-08-20 16:58:44 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zfchvwx43y3l5lskallmqhecbvdoj6uuqhq3ocfwigz2m7ey2sga._file

Verdict:

malicious

Result

Malware family:

arkei

Score:

10/10

Tags:

family:arkei botnet:default credential_access discovery spyware stealer

Link:

https://tria.ge/reports/240824-lvgqmsvakc/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Credentials from Password Stores: Credentials from Web Browsers

Arkei

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/392346f5-2b63-45e7-94c7-b8be3bcf3181

Unpacked files

SH256 hash:

d180729ea9f2346e9abd7d96fc1d0ae39fa012d9660f50f79c71b9f828b88dc0

MD5 hash:

52e9f55d274e2ee01959fe2d8297a927

SHA1 hash:

b16e5df39a96c81edb1e98239031b75834b07a87

Link:

https://www.unpac.me/results/1f2add54-a874-49a8-8d99-1fc8d5125760/

SH256 hash:

c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c

MD5 hash:

1acc4c16687d848711a9980e6ae72e50

SHA1 hash:

eadc3f132e62bc29e7db686a440e411384de3b58

Link:

https://www.unpac.me/results/1f2add54-a874-49a8-8d99-1fc8d5125760/

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/c9447adafcde36beae4a02d6c81c820d46e4fa9481e1b708b641b3a67c98d48c

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:	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
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::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW

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