MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb. 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 1 File information Comments

SHA256 hash:	ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb
SHA3-384 hash:	f86da73bc597128f309e77985f65d43b93015d30f7996ac1c9fa1fca9b9426e6a548fed4ef76d1acc7d971fdb65a1e1b
SHA1 hash:	67776523d7821292da1ced82653558a60b8a7f19
MD5 hash:	79ad5f851a1231db208f005432d0cf1c
humanhash:	hawaii-nevada-sixteen-cola
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	1'872'384 bytes
First seen:	2024-10-26 06:50:43 UTC
Last seen:	2024-10-26 06:51:45 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:FGr4CilaGYbJQlw/NGMDweoVnrfcXCNuX7Ik:FGr4CsaGamiweGG0
TLSH	T1578533D56EF3D0A8D0CBA33568312322B0D2494199FDE0F5EEEE13629967E196382533
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://185.215.113.16/steam/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

372

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-26 06:55:19 UTC

Tags:

stealer loader stealc amadey botnet themida

Link:

https://app.any.run/tasks/e95e7f27-52bb-4672-bee5-c7642b00cd17

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.991.29045.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=671c9348a75e41aa6721a27e

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 packed packer_detected

Link:

https://www.filescan.io/uploads/671c915ae9959538ff3aeab5/reports/3ed76ed9-f301-4373-8c39-26fe06c62216/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb

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/09988dc4-b36f-4f7f-858a-0f5fbc06d16f

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1542734

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

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 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)

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/ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb/

Threat name:

Win32.Spyware.Stealc

Status:

Suspicious

First seen:

2024-10-26 06:51:13 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=vnaj37s4v6vivca2qrgne3xnsgmvxfkgkkhestntwrxsnajietvq._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:puma discovery evasion stealer

Link:

https://tria.ge/reports/241026-hmg5na1emb/

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

Stealc family

Malware Config

C2 Extraction:

http://185.215.113.206

Verdict:

Malicious

Tags:

stealc

YARA:

n/a

Link:

https://app.threat.zone/submission/e9622ad5-6889-4118-8b62-2249747f653e

Unpacked files

SH256 hash:

8603c7866e51906f27b93f0fa0132206428ecb2c010781d415e518108a450817

MD5 hash:

04d120229b6a74f514d1692c5931158e

SHA1 hash:

f34cf6cec73988e04e5254a5ddef6e6158557133

Detections:

stealc

win_stealc_w0

win_stealc_a0

detect_Mars_Stealer

Link:

https://www.unpac.me/results/e9ad3e8e-8f3d-4e66-8b6a-a49e8286cf06/

SH256 hash:

ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb

MD5 hash:

79ad5f851a1231db208f005432d0cf1c

SHA1 hash:

67776523d7821292da1ced82653558a60b8a7f19

Link:

https://www.unpac.me/results/e9ad3e8e-8f3d-4e66-8b6a-a49e8286cf06/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ab409dfe5caf/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

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 ab409dfe5cafaa8a881a844cd26eed91995b9546528e494db3b46f26812824eb

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3079150/

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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