marsstealer | 5e1aba37fd2ab19677b7a59505924bf18d8809037cbbf50b7b22c4a74b421396

Analysis

max time kernel
139s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-04-2024 15:41

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General

Target

deeplsetup64.exe
Size

14.5MB
MD5

1dba954b14bc941c13917462e368c560
SHA1

ab9eaf52b10a9d270ba0776087456f55ca10c447
SHA256

5e1aba37fd2ab19677b7a59505924bf18d8809037cbbf50b7b22c4a74b421396
SHA512

e952f7d9fdfc63233ed2592251c68d6bb631b80d586a8349731f858e8c4dca266a91c4db2a042df2accdab30044d3f4b5a3517d0ec1f130080609007ef268167
SSDEEP

12288:Mi2f75WQGH5Tua5O7g8+V9rI0djHf1lwNfUNq71j8/37vXu:V8YZO2j3I0dP7P

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	deeplsetup64.exe

Executes dropped EXE 1 IoCs

pid	Process
564	3.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 2 IoCs

pid	pid_target	Process	procid_target
3324	564	WerFault.exe	90
1936	564	WerFault.exe	90

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 564	1588	deeplsetup64.exe	90
PID 1588 wrote to memory of 564	1588	deeplsetup64.exe	90
PID 1588 wrote to memory of 564	1588	deeplsetup64.exe	90
PID 564 wrote to memory of 3324	564	3.exe	101
PID 564 wrote to memory of 3324	564	3.exe	101
PID 564 wrote to memory of 3324	564	3.exe	101

C:\Users\Admin\AppData\Local\Temp\deeplsetup64.exe
"C:\Users\Admin\AppData\Local\Temp\deeplsetup64.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1588
- C:\ProgramData\3.exe
  "C:\ProgramData\3.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 1844
    3⤵
    - Program crash
    PID:3324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 564 -s 1844
    3⤵
    - Program crash
    PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 564 -ip 564
1⤵
PID:4992

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\3.exe

Filesize
159KB

MD5
1a9fa43be1579005d913413d18f047b7

SHA1
a92faa80014713989cd2c527d0bc7dd0991d90a4

SHA256
30a9559298fd9d27a75bd6b5a73b762ac997992f677a0081d7fb87b74c00eff1

SHA512
e52d2f06d9a424e0ded2943e43d07e8ac40ee85f8cb10c90d88abf7482046f38c2d8580055cf211094f1274c930061c889480ffade363cf1b6eee57def259dbd

Download Submit
memory/564-10-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/564-21-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1588-0-0x0000000000920000-0x00000000009BC000-memory.dmp

Filesize
624KB

Download
memory/1588-1-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/1588-2-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/1588-13-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download