MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff. 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: 13

Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash:	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff
SHA3-384 hash:	2b9f76985d9858f9e8165808953dd628fdf7b27bc2d2939cfc3ccbdb84f74b724bce4bcb718c9bc2c4cbf28c732e1fb4
SHA1 hash:	8efd8b33db1443945f79e364256b62ce7473968b
MD5 hash:	aa74558704e2ba3e0bdf434b293d79fd
humanhash:	wyoming-leopard-failed-blossom
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	2'097'664 bytes
First seen:	2024-11-08 13:02:32 UTC
Last seen:	2024-11-08 14:22:00 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:b0RRTE+k9AtJmVWTW4K9sbARHQdMD1ZkOdXlaZQvzmqP:cRA+k9AtHW4K9s4HtT7XS
TLSH	T188A5333D8DBAD812C8F80BB56575DD5D0EC3AA861273B13106F7866EC9D2DE06D7828C
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 :

387

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-11-08 13:15:08 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/ebfe5e6d-05bc-4fa6-b5a0-8380380ebe60

Note:

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

Detection(s):

SecuriteInfo.com.Win32.BackdoorX-gen.1932.18431.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=672e0c0ba5bee3c9d42bcccd

Tags:

vmdetect spam

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Creating a file

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/672e0c0d5e56a0da881f1602/reports/54f804e0-0781-4003-8938-24f2c83a1b3b/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/2dd9de6a-e4f2-4c06-a448-70c22a892109

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1552195

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

Sample uses string decryption to hide its real strings

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/b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2024-11-08 13:03:19 UTC

File Type:

PE (Exe)

AV detection:

15 of 38 (39.47%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wahiydj4zaetqxrqcjcd7ltquhqejiptdjs5qebj5wshuoq22l7q._file

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:tale discovery evasion stealer

Link:

https://tria.ge/reports/241108-qaccmsshjq/

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:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/c5fcf255-98b4-45ea-97f1-e54bc0816af8

Unpacked files

SH256 hash:

81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

MD5 hash:

eda18948a989176f4eebb175ce806255

SHA1 hash:

ff22a3d5f5fb705137f233c36622c79eab995897

Link:

https://www.unpac.me/results/b99025c0-a98a-434f-a212-f1d50c9d82b4/

SH256 hash:

fe5edd71124069494673b24b9a742c1c021c8ebf5d7ce1f51375af4cb3e8e11d

MD5 hash:

8456f13249578cf1c58936e1b84349c4

SHA1 hash:

b43304e9b02ea7c59345e9992465c77b4a8685ad

Detections:

stealc

win_stealc_w0

win_stealc_a0

detect_Mars_Stealer

Link:

https://www.unpac.me/results/b99025c0-a98a-434f-a212-f1d50c9d82b4/

SH256 hash:

b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff

MD5 hash:

aa74558704e2ba3e0bdf434b293d79fd

SHA1 hash:

8efd8b33db1443945f79e364256b62ce7473968b

Link:

https://www.unpac.me/results/b99025c0-a98a-434f-a212-f1d50c9d82b4/

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 b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

Dropped by

Amadey

Dropped by

Amadey

Delivery method

Distributed via web download

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3273391/

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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