MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e. 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: 16

Intelligence 16 IOCs YARA File information Comments

SHA256 hash:	2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e
SHA3-384 hash:	f62bd43694e12181491839ec98dadf91431a43284a6908ce6f11ee0b55a6a596ae2335fc37924e6cca4e924cde682d1a
SHA1 hash:	4a00dac17ab543550097d2fdb52a2f12331659a8
MD5 hash:	5c027273ebe20e1193593a0513c6599c
humanhash:	berlin-blue-island-ceiling
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	1'840'640 bytes
First seen:	2024-10-12 19:35:50 UTC
Last seen:	2024-10-12 20:23:12 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:zoEl7ih83YMEk0svckTnmUyMzFd6Qm8UN5h+L/c:UI7ihHVk5ckTnmUDzzs5h
Threatray	138 similar samples on MalwareBazaar
TLSH	T1DA8533D29DE31F7ED0A5C238D14FE20BFE52E69000416A1DAF97736D183766D198E28E
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 :

505

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-12 19:37:53 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/69fb2f86-890e-4f68-b198-7c59c990631f

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.28768.14902.UNOFFICIAL

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=670acfa6707bcd8537fb2970

Tags:

Lien Spam

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/670acfa444ec49535db408ac/reports/b83c987e-a754-49e6-9457-2a3a548100e0/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/cce469ae-1297-47f7-903a-3e72680398c1

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1532233

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 domain / URL

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/2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-10-12 19:36:13 UTC

File Type:

PE (Exe)

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=eqzxqhq35pthhxq2gteu24jxfkddil3w3cgm4fwepj5h3h644a7a._file

Verdict:

malicious

Label(s):

stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:doma credential_access discovery evasion spyware stealer

Link:

https://tria.ge/reports/241012-ya8pvascjl/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks BIOS information in registry

Identifies Wine through registry keys

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Unsecured Credentials: Credentials In Files

Downloads MZ/PE file

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

Stealc

Malware Config

C2 Extraction:

http://185.215.113.37

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3842d666-f760-4515-b6be-40d69dbe30a0

Unpacked files

SH256 hash:

dc8b5055f8592632de6f3152ef6894a1b969007bc6b18a5fd1f6cccf9b12baf6

MD5 hash:

a033d820cfd4003c21a73a2c48793f6f

SHA1 hash:

77e8a43f492b3aa867619962f92c446b6c670979

Detections:

stealc

win_stealc_w0

win_stealc_a0

detect_Mars_Stealer

Link:

https://www.unpac.me/results/724930c9-c574-4f09-baa0-e29d0c1bcffa/

SH256 hash:

2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e

MD5 hash:

5c027273ebe20e1193593a0513c6599c

SHA1 hash:

4a00dac17ab543550097d2fdb52a2f12331659a8

Link:

https://www.unpac.me/results/724930c9-c574-4f09-baa0-e29d0c1bcffa/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2433781e1beb/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/2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e

File information

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

Web download

MarsStealer

exe 2433781e1bebe673de1a34c94d71372a86342f76d88cce16c47a7a7d9fdce03e

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

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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