marsstealer | 02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 18:08

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General

Target

02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe
Size

614KB
MD5

57f9d870b05d59a7e79816ef5e8fe70e
SHA1

e5f2d86139d9a847663b2cd0c68716e85678177d
SHA256

02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e
SHA512

9dc3849575caa0337645f7f24d4d7720375857875a26dad839512de6aa3dc2d49f7bbf2138c7c09aa94e37ce94b0f1f370eafca3bc89faba46bd13b1073f40c2
SSDEEP

12288:6jLIHe+qdOqQ/H6OKnA5feEq8sdvuxi+vC/tKJ+2BAMSsjgZeS1I/XUta93poy:CRtwtvagbCy

Score

10^/10

marsstealer default spyware stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

kenesrakishev.net/wp-includes/pomo/po.php

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe

Executes dropped EXE 1 IoCs

Processes:

2GF.exe

pid process

3872 2GF.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2716 3872 WerFault.exe 2GF.exe

pid	process
3872	2GF.exe

pid	pid_target	process	target process
2716	3872	WerFault.exe	2GF.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe

description	pid	process	target process
PID 1904 wrote to memory of 3872	1904	02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe	2GF.exe
PID 1904 wrote to memory of 3872	1904	02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe	2GF.exe
PID 1904 wrote to memory of 3872	1904	02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe	2GF.exe

C:\Users\Admin\AppData\Local\Temp\02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe
"C:\Users\Admin\AppData\Local\Temp\02752953a097c95cf337c77af8ec8f4526983138e1e0cf07e0ad1ed7be885c2e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1904
- C:\ProgramData\2GF.exe
  "C:\ProgramData\2GF.exe"
  2⤵
  - Executes dropped EXE
  PID:3872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 1384
    3⤵
    - Program crash
    PID:2716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3872 -ip 3872
1⤵
PID:4104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\2GF.exe

Filesize
159KB

MD5
14878fb96760ba869271109d832f43a7

SHA1
874f6bcac3ef5682a567483ea5627d38bfbffa8d

SHA256
0c816842e7a1649f0010b7c437a7783f82fd8a62a080adaeaecd871e6578c721

SHA512
f882cfb373f79e823e3284b6dbe09d7df0ea90d0ab20e9399e1ee3af86eec2e8ba5c3b882f6b7f88b0478bc3fdfe05e033ee6fcbc2813faf13558fbec1d0a2e2

Download Submit
memory/1904-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/1904-1-0x00000000004D0000-0x000000000056E000-memory.dmp

Filesize
632KB

Download
memory/1904-3-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/1904-13-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/3872-12-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3872-15-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download