MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d. 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 2 File information Comments

SHA256 hash:	247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d
SHA3-384 hash:	93ea54dbcc18ef13bedb282e659524abbbc401866d297b3366f722f0e64e22138bcf85ae3a5d3054595ce2a8513f0260
SHA1 hash:	53eeeb33aec86d2f03dc021351ffb61c1118aadd
MD5 hash:	1840b3a6769699f03fca969af6b4e883
humanhash:	east-ack-connecticut-lemon
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	1'897'472 bytes
First seen:	2024-10-04 11:49:51 UTC
Last seen:	2024-10-04 11:54:25 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:XVhOA/35Dbb1R2kI3p8gOXyYHEe8z2K4OOergm:rOA/pnbj2kI3p8Nrke+2cAm
TLSH	T1389533C280DCCFAECE2D6CF37C29116B8EE4900985BB1E7DFDA37D18556D5224C6A620
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 :

352

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-04 11:50:20 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/683c2427-8ddd-4cc5-ab81-8a645c598517

Note:

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

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ffd66d0fdf8887097d0b4b

Tags:

Vmdetect Spam

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

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/66ffd678037d97bf2b5c070d/reports/f0597761-d050-4522-9644-007510682267/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d

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:

Malicious

Link:

https://analyze.intezer.com/analyses/61b91e06-5044-4ee7-a088-9b0271863124

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1525663

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

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/247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2024-10-04 11:50:07 UTC

File Type:

PE (Exe)

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=er5vt2n3lx34mqeydvi7fx3p2ymect4af46oasog7ndjz6fduzwq._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:doma discovery evasion stealer

Link:

https://tria.ge/reports/241004-nzlaqsscrl/

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:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/579bdddb-836d-42d8-ba13-4831b824a36a

Unpacked files

SH256 hash:

57e05312a79bb3f78b323fe83dd95bb9180cb000f6990a414d6345520052a66a

MD5 hash:

4812cbe101d0a46d1dfd7c4e7b93de96

SHA1 hash:

6baa2c151f882a11db32baed238b6d51a200b5c2

Link:

https://www.unpac.me/results/fd82504e-56c6-4f84-9154-e09ca7e302d4/

SH256 hash:

247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d

MD5 hash:

1840b3a6769699f03fca969af6b4e883

SHA1 hash:

53eeeb33aec86d2f03dc021351ffb61c1118aadd

Link:

https://www.unpac.me/results/fd82504e-56c6-4f84-9154-e09ca7e302d4/

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/247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d

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.

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 247b59e9bb5df7c640981d51f2df6fd618414f802f3ce049c6fb469cf8a3a66d

(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/

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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