MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806. 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 4 File information Comments 1

SHA256 hash:	95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806
SHA3-384 hash:	12bb3279a499b485274e7e79af7d82fc97b595a60ffd73120e9d0f23c153fc067d7d1b0b66d801a3d0767caa9aa5c66b
SHA1 hash:	5b78c41ad423766e9aadae91f902d14a922c8666
MD5 hash:	317465164f61fe462864a65b732ccc13
humanhash:	football-two-hotel-grey
File name:	317465164f61fe462864a65b732ccc13
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	162'304 bytes
First seen:	2024-05-08 07:43:59 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	3072:v5JKjGc9pOW1Bg7ayW1QSZP5+fZ1mlUQj2s:hgGGpZQao+P5KboXj2
TLSH	T194F312C6DB7C5D7ADC098FB824870D0523EE43E1A5A19E1B3A19D10CF6E1379E993B90
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	zbetcheckin
Tags:	32 exe MarsStealer

Intelligence

File Origin

# of uploads :

# of downloads :

314

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

765a42bc7cff6c294e138d70aa29cf5e2eda15cee16f9ffee7aefea5eac43708.exe

Verdict:

Malicious activity

Analysis date:

2024-05-07 21:51:48 UTC

Tags:

stealer risepro evasion exfiltration loader amadey botnet stealc opendir redline meta metastealer gcleaner

Link:

https://app.any.run/tasks/9e595726-c0d4-42b3-a643-90b09f74ad05

Note:

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

Detection(s):

Win.Packed.Reline-10029451-0

Win.Packed.Reline-10029452-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Creating a file

Сreating synchronization primitives

Connection attempt

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806

Malware family:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f874053a-1636-406f-8dd8-d2182e8adf37

Result

Threat name:

Mars Stealer, PrivateLoader, Stealc, Vid

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1438051

Signature

.NET source code contains very large array initializations

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

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

Found malware configuration

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

Injects a PE file into a foreign processes

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Snort IDS alert for network traffic

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)

Writes to foreign memory regions

Yara detected Mars stealer

Yara detected PrivateLoader

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806/

Threat name:

ByteCode-MSIL.Infostealer.Stealc

Status:

Malicious

First seen:

2024-05-07 20:43:10 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

24 of 24 (100.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=svtuzmagx7fdntiob6nyb3yo2jammtzo5fk5txkk7aicudcntada._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240508-jkzscsce26/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://49.13.229.86

Unpacked files

SH256 hash:

594031e1d7c312019d51851c60dcee9db328bfbd8c43d979e2b7e3fe5e5dd2ce

MD5 hash:

740ec19658599b0253ca6debccf10441

SHA1 hash:

b9d021976a12b4a575a35ca6bf6a27403ed53442

Detections:

stealc

win_stealc_auto

Link:

https://www.unpac.me/results/8a09f5bc-085b-48fd-988a-94ff4e804666/

SH256 hash:

95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806

MD5 hash:

317465164f61fe462864a65b732ccc13

SHA1 hash:

5b78c41ad423766e9aadae91f902d14a922c8666

Link:

https://www.unpac.me/results/8a09f5bc-085b-48fd-988a-94ff4e804666/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/95674cb006bf/report/overview.html

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/95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

Web download

MarsStealer

exe 95674cb006bfca36cd0e0f9b80ef0ed240c64f2ee955d9dd4af8102a0c4d9806

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2842773/

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

Comments

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zbet commented on 2024-05-08 07:44:00 UTC

url : hxxp://193.233.132.56/lend/swiy.exe