MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9. 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: 18

Intelligence 18 IOCs YARA 2 File information Comments 1

SHA256 hash:	ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9
SHA3-384 hash:	78eb7cb5d2e668d0a2e7f05a0fe92169475252f39ba57a7468b6bd6281eb84e91f12fcfb5ec0f77b95fe099f6c30d9a4
SHA1 hash:	a054f47ff274331f6c1fb2dcbf4e358bb967d809
MD5 hash:	ba77174e1e503ee479019781cd27e5b0
humanhash:	uniform-kentucky-west-equal
File name:	ba77174e1e503ee479019781cd27e5b0
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	2'632'704 bytes
First seen:	2024-07-30 11:34:50 UTC
Last seen:	2024-07-30 13:27:49 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	31228b35d765756d4d3dd4ed5d786b22 (4 x Stealc, 1 x MarsStealer)
ssdeep	49152:vPreJyzQzrbdpDLc0HXZPIawTPVf+ajiMN8GmmcbxsUSy2Xh44:vaJb/PDLc0pPVw127HmclsUSbXhZ
TLSH	T133C533083E761E1FD3B2D87475B1F064F5AEB590992EC68E7D14A67E2B9E34100B23C9
TrID	28.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 25.5% (.EXE) Win32 Executable (generic) (4504/4/1) 11.6% (.ICL) Windows Icons Library (generic) (2059/9) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):
dhash icon	1a72c2db98585c0c (9 x Stealc, 6 x Tofsee, 5 x Smoke Loader)
Reporter	zbetcheckin
Tags:	32 exe MarsStealer

Intelligence

File Origin

# of uploads :

# of downloads :

405

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ba77174e1e503ee479019781cd27e5b0

Verdict:

Malicious activity

Analysis date:

2024-07-30 11:37:59 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/3dea2912-120e-43b3-b254-b05f33a87080

Note:

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

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66a8cfeb9d47c7700ac5f690

Tags:

Execution Generic Infostealer Network Stealth Trojan

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

enigma lolbin microsoft_visual_cc packed packed shell32

Link:

https://www.filescan.io/uploads/66a8cfe79149fd55f9926c75/reports/dd97712f-13a3-47c9-a04e-daeaefac8826/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9

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:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d1fb5e9c-ddb0-4b87-a7c7-af73c7f0bfd3

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1484601

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)

Detected unpacking (overwrites its own PE header)

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

Found malware configuration

Hides threads from debuggers

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

PE file has nameless sections

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

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/ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2024-07-30 11:35:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zisi7r6y3e7h5ibgaoi45qkafmbwdh5wi5kafkchsuudpssk4tuq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:dana discovery stealer

Link:

https://tria.ge/reports/240730-np1bxaxdpq/

Behaviour

Suspicious use of SetWindowsHookEx

Program crash

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Stealc

Malware Config

C2 Extraction:

http://85.28.47.31

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/58ca4bc5-04a2-485f-9578-6ecdaf551ec9

Unpacked files

SH256 hash:

144b0da90e8a3721a58d22b460b017854a11c308578ad7f5e3825361fa1cfa5c

MD5 hash:

efedc80482b249d448d8939f4347dd04

SHA1 hash:

b7abc85ad9cc52c264473493b28df8aad2eb0be8

Detections:

stealc

Link:

https://www.unpac.me/results/a4869a0b-10be-4002-a8c5-21186b7944f1/

Parent samples :

2683b5120c1f81caa318c093ddd9160fcec3a10f3ad35ccd459655bb08a8b0e7
e26d7dabcf5095750d11407a9341af6c898034b75f9fff158cc4c4757ec9f51a
ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9
b3f54c2bfe8d4056bdd9e6ff8d9114bf38b6c9ee11b3355e108c233a197fb145
745c8f38e2cd894f6ce759e3096333b3b219a25bdf1446558cac4a92d0cb4e51
48d6fa1f938ce3fa2d54e27373ad93fe13936362d187881a9ba63e9da5946e42

SH256 hash:

ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9

MD5 hash:

ba77174e1e503ee479019781cd27e5b0

SHA1 hash:

a054f47ff274331f6c1fb2dcbf4e358bb967d809

Link:

https://www.unpac.me/results/a4869a0b-10be-4002-a8c5-21186b7944f1/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ca248fc7d8d9/report/overview.html

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

Threat name:

Mars Stealer

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

File information

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

Web download

MarsStealer

exe ca248fc7d8d93e7ea0260391cec1402b03619fb6475402a847952837ca4ae4e9

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3079215/

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA
WIN_BASE_IO_API	Can Create Files	version.dll::GetFileVersionInfoA

Comments

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zbet commented on 2024-07-30 11:34:51 UTC

url : hxxp://185.215.113.16/steam/random.exe