marsstealer | 24adb4992ad63d101916088a48eaeb5f62a7a1ef35a28a02c0d34d0fab51e910

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

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2068	P.exe

Loads dropped DLL 8 IoCs

pid	Process
2848	360TS_Setup_Mini.exe
2848	360TS_Setup_Mini.exe
2068	P.exe
2068	P.exe
2068	P.exe
2780	WerFault.exe
2780	WerFault.exe
2780	WerFault.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

pid	pid_target	Process	procid_target
2780	2068	WerFault.exe	28

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	P.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	P.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2848 wrote to memory of 2068	2848	360TS_Setup_Mini.exe	28
PID 2068 wrote to memory of 2780	2068	P.exe	31
PID 2068 wrote to memory of 2780	2068	P.exe	31
PID 2068 wrote to memory of 2780	2068	P.exe	31
PID 2068 wrote to memory of 2780	2068	P.exe	31
PID 2068 wrote to memory of 2780	2068	P.exe	31
PID 2068 wrote to memory of 2780	2068	P.exe	31
PID 2068 wrote to memory of 2780	2068	P.exe	31

C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe
"C:\Users\Admin\AppData\Local\Temp\360TS_Setup_Mini.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\P.exe
  "C:\Users\Admin\AppData\Local\Temp\P.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 728
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\P.exe

Filesize
159KB

MD5
a189002dc2c26fe21a7d25d171e71699

SHA1
ee96ca8dfd8fa8e04754936b5a8205ed68869fef

SHA256
26838d9cf197e16a55066ad6fa480d510f249e587143c232cd2176f3f3785b67

SHA512
00ebc62424e78aef56ed4b0e94ae2b924185e8dfe61e2eb982e93ebec371f71719f7be59e687e0f233eb84de88e98086ce211e4b6c5bd83106d1e6ff0b970321

Download Submit
memory/2068-16-0x0000000000230000-0x000000000026D000-memory.dmp

Filesize
244KB

Download
memory/2068-17-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2848-0-0x0000000000250000-0x00000000002F8000-memory.dmp

Filesize
672KB

Download
memory/2848-5-0x00000000007D0000-0x000000000080D000-memory.dmp

Filesize
244KB

Download
memory/2848-10-0x00000000007D0000-0x000000000080D000-memory.dmp

Filesize
244KB

Download

Analysis

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