MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20. 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: 17

Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash:	42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20
SHA3-384 hash:	e4a75559b9f54897b0b7061982385e261de03020a142c656467becb3ad43305663f005adad1d13f8814f2a566e9f3962
SHA1 hash:	5b4b911709a472d69938c93feff8c629b620b038
MD5 hash:	d77353cbaa10bf7fcd96c007ff5f18c2
humanhash:	helium-idaho-fanta-echo
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	1'867'776 bytes
First seen:	2024-10-01 16:08:38 UTC
Last seen:	2024-10-01 16:15:08 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:I34zGaaZcPWkMUm7IPTc5OmAEx7ng0XOKDcr/H:NzFWUWkMUm7YwDMKDcLH
TLSH	T1118533BF5CAB0921F970C9B62D2EB72A37E235521573F4B8A439B1FE441712382B58C5
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 :

414

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-01 16:09:56 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/7a4117a2-ea2d-44ca-9368-80f8f949ea6b

Note:

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

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66fc1ea058399e4484e7d0e9

Tags:

Vmdetect Spam

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

Running batch commands

Creating a process with a hidden window

Launching a process

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/66fc1ea388188863f38d6483/reports/6f28ac7c-26d6-4bb3-a98d-aadab8fc1851/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20

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:

StrelaStealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/857ac2f1-c2ce-40d2-8dea-29a927235cf9

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1523538

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

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)

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20/

Threat name:

Win32.Trojan.Multiverze

Status:

Malicious

First seen:

2024-10-01 16:09:07 UTC

File Type:

PE (Exe)

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ilnxfvvya6zgyklrj5m6si7mbfdi4ioymmafssn4xi24u7exbmqa._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:doma discovery evasion stealer

Link:

https://tria.ge/reports/241001-tlr41sybkp/

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/fcd33b75-204e-44e4-933a-36c9cbb23f34

Unpacked files

SH256 hash:

b2c69c9601eabb3acc4c011b681a43f30a6a05ba3214aaf9d9110d747547fc1b

MD5 hash:

e1fd31074ded4f61e7a55498623d32a5

SHA1 hash:

ad04a60b3a89493d9c203ee39dfdc6cc144e47a8

Detections:

stealc

win_stealc_w0

win_stealc_a0

Link:

https://www.unpac.me/results/126c0097-ecfa-4361-ac16-5dbabc0b090a/

SH256 hash:

42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20

MD5 hash:

d77353cbaa10bf7fcd96c007ff5f18c2

SHA1 hash:

5b4b911709a472d69938c93feff8c629b620b038

Link:

https://www.unpac.me/results/126c0097-ecfa-4361-ac16-5dbabc0b090a/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/42db72d6b807/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/42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20

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:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

MarsStealer

exe 42db72d6b807b26c29714f59e923ec09468e21d863005949bcba35ca7c970b20

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

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

URLhaus

https://urlhaus.abuse.ch/url/3171133/

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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