MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a. 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

MarsStealer

Vendor detections: 14

Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash:	e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a
SHA3-384 hash:	4cdfe4730188b5fe99ab241af4061b55d2aacbfb9148cee71ecff1b4e5c59e19320eeae63b6dedff107051091c8703e7
SHA1 hash:	07ebc4a58a4fc5047717dc99b0013d60cfab8373
MD5 hash:	18c1dc4b2ce5ca3a7d67cf0358a0b9f9
humanhash:	river-florida-diet-equal
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	1'848'832 bytes
First seen:	2024-10-08 12:35:21 UTC
Last seen:	2024-10-08 13:32:27 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:AQ6ojLYuuCg4k/MQzaAZGqwu5yRUTZZB2hRswRqVjMSnrZ:JNuCg4kEuaBhinZIhRD46Snr
Threatray	70 similar samples on MalwareBazaar
TLSH	T1D885337976A84B90C34E06B0CA550B520274214BFABC4BDF2D3DF1DB1797EDAB26429C
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	Bitsight
Tags:	exe MarsStealer

Bitsight

url: http://185.215.113.103/steam/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

353

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-08 13:03:15 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/83eb1b0e-e50c-471a-85a8-a6b7be9b91c8

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.7300.6629.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67052739a69182ddbe5d00a7

Tags:

Exploit Spam Hype Onli

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a

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.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/0ed6011d-c2c7-4896-862c-22e6589f9171

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1528984

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

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

Found malware configuration

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

Hides threads from debuggers

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Searches for specific processes (likely to inject)

Suricata IDS alerts for network traffic

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Tries to harvest and steal Bitcoin Wallet information

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

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Tries to steal Mail credentials (via file / registry access)

Yara detected Powershell download and execute

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a/

Threat name:

Win32.Spyware.Stealc

Status:

Suspicious

First seen:

2024-10-08 12:36:05 UTC

File Type:

PE (Exe)

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=4rkq3upnhjqwfuazqsvkqf4ktaucb2jzvcdzavajratsrmmamwna._file

Verdict:

malicious

Label(s):

stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:doma discovery evasion stealer

Link:

https://tria.ge/reports/241008-psw94axelq/

Behaviour

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Identifies Wine through registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Stealc

Malware Config

C2 Extraction:

http://185.215.113.37

Verdict:

Malicious

Tags:

stealc

YARA:

n/a

Link:

https://app.threat.zone/submission/0cc39e25-d26e-4c40-b2b0-a2e789184e07

Unpacked files

SH256 hash:

7ec29430533b2454f58df230acff673a9ae5001cb89649dee62e7c4033c5e913

MD5 hash:

674bcc1217c9aa06bd97043a551d37f6

SHA1 hash:

5de9e0b274ddea5deddb563ceb79c936b576b2c8

Detections:

stealc

win_stealc_w0

win_stealc_a0

detect_Mars_Stealer

Link:

https://www.unpac.me/results/27dbddbe-0e89-41fd-8f0a-a07da89cc25f/

SH256 hash:

e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a

MD5 hash:

18c1dc4b2ce5ca3a7d67cf0358a0b9f9

SHA1 hash:

07ebc4a58a4fc5047717dc99b0013d60cfab8373

Link:

https://www.unpac.me/results/27dbddbe-0e89-41fd-8f0a-a07da89cc25f/

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/e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a

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:	Detect_Malicious_VBScript_Base64 Create hunting rule
Author:	daniyyell
Description:	Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

File information

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

Web download

MarsStealer

exe e4550dd1ed3a6162d01984aaa8178a982820e939a887905409882728b180659a

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3183446/

URLhaus

https://urlhaus.abuse.ch/url/3182950/

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 (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

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