marsstealer | e482863957a81bf585e637311d51be7a4cb8819d432ce5dab3b089ceb46005b5

Analysis

max time kernel
91s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 22:55

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General

Target

utweb_installer.exe
Size

12.4MB
MD5

aa6ba9e8041dcef9d5b1dbaa1fb41570
SHA1

8244de9d8b89058d1c03f0d5a42e276227574159
SHA256

e482863957a81bf585e637311d51be7a4cb8819d432ce5dab3b089ceb46005b5
SHA512

24fabd8186b2b327b057a19f86c4e74bd57e0e807eb01a7b727d27a610e8e8ceeeb2827fe32b722e7f1a468a02535f026f00e484ff40c38c724db9e1e480b2a6
SSDEEP

3072:3qhbDcxipV57ihAgGHQhOxg4GUHmEOW2zOyQ5OGXubV0EYH9QJSp8Bb8EGq:SncxipAASq1mv/S5DXubV0EYk8EG

Score

10^/10

marsstealer default spyware stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

moscow-post.ru/blog/wp-content/rss.php

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer
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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3080 3292 WerFault.exe utweb_installer.exe

pid	pid_target	process	target process
3080	3292	WerFault.exe	utweb_installer.exe

C:\Users\Admin\AppData\Local\Temp\utweb_installer.exe
"C:\Users\Admin\AppData\Local\Temp\utweb_installer.exe"
1⤵
PID:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1380
2⤵
- Program crash
PID:3080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3292 -ip 3292
1⤵
PID:1680

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3292-0-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3292-2-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download