marsstealer | 24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-04-2024 22:17

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General

Target

360TS_Setup_Mini.exe
Size

2.1MB
MD5

33b96fcceb00475b31415e2a2fe17ac5
SHA1

b9412d4157d27757d173838e702044a270fc5c8d
SHA256

24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910
SHA512

1986c7951f0892f3c0a582bff8c5c7a92a146e84aeaa9030082e2bfaf159e01f349b759bbf48fa6d0e78a9edb20731f07fd4a374930f127ba817eeae96893c94
SSDEEP

12288:4dlcbU3ucnv02SS8M9zNYhZB2/FoooEeBHoUojP:4vDb928tFWB4P

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:

360TS_Setup_Mini.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	360TS_Setup_Mini.exe

Executes dropped EXE 1 IoCs

Processes:

.exe

pid process

4964 .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

2580 4964 WerFault.exe .exe

pid	process
4964	.exe

pid	pid_target	process	target process
2580	4964	WerFault.exe	.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

360TS_Setup_Mini.exe

description	pid	process	target process
PID 3508 wrote to memory of 4964	3508	360TS_Setup_Mini.exe	.exe
PID 3508 wrote to memory of 4964	3508	360TS_Setup_Mini.exe	.exe
PID 3508 wrote to memory of 4964	3508	360TS_Setup_Mini.exe	.exe

C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe
"C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3508

C:\Users\Admin\AppData\Local\Temp\.exe
"C:\Users\Admin\AppData\Local\Temp\.exe"
2⤵
- Executes dropped EXE
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 1844
3⤵
- Program crash
PID:2580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4964 -ip 4964
1⤵
PID:4408

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\.exe
Filesize
159KB

MD5
a189002dc2c26fe21a7d25d171e71699

SHA1
ee96ca8dfd8fa8e04754936b5a8205ed68869fef

SHA256
26838d9cf197e16a55066ad6fa480d510f249e587143c232cd2176f3f3785b67

SHA512
00ebc62424e78aef56ed4b0e94ae2b924185e8dfe61e2eb982e93ebec371f71719f7be59e687e0f233eb84de88e98086ce211e4b6c5bd83106d1e6ff0b970321

Download Submit
memory/3508-0-0x0000000000EF0000-0x0000000000F98000-memory.dmp

Filesize
672KB

Download
memory/3508-1-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3508-12-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/4964-10-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4964-20-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download