marsstealer | 6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702 | Triage

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24/03/2024, 10:11 UTC

Sharing

Report Analysis Logs

General

Target

1524f984753f60aa2b865ef86b79a58b.exe
Size

159KB
MD5

1524f984753f60aa2b865ef86b79a58b
SHA1

07579a5c92e8cc92e3f391a5460d6de74310883b
SHA256

6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702
SHA512

8d8d34812091935ad4c90270d5df13c2a8e0f3f9a3a5752ba469a6d4972a36ea5696a087e47d65b1c13b36496e2fa87f0d99dd34119d5f3730ca9798db3855d2
SSDEEP

3072:U53/H9YArDiGiDSDCosstkZtqJSp8Bb8EG:W3/WuDi3stJ8EG

Score

10^/10

marsstealer default discovery spyware stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2768	1524f984753f60aa2b865ef86b79a58b.exe
2768	1524f984753f60aa2b865ef86b79a58b.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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1524f984753f60aa2b865ef86b79a58b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1524f984753f60aa2b865ef86b79a58b.exe

C:\Users\Admin\AppData\Local\Temp\1524f984753f60aa2b865ef86b79a58b.exe
"C:\Users\Admin\AppData\Local\Temp\1524f984753f60aa2b865ef86b79a58b.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
PID:2768

Network

DNS

mars.mhsorteio.app.br

1524f984753f60aa2b865ef86b79a58b.exe

Remote address:

8.8.8.8:53

Request

mars.mhsorteio.app.br

IN A

Response

mars.mhsorteio.app.br

IN A

213.190.6.252
GET

http://mars.mhsorteio.app.br/APwpnHWkYh.php

1524f984753f60aa2b865ef86b79a58b.exe

Remote address:

213.190.6.252:80

Request

GET /APwpnHWkYh.php HTTP/1.1
Host: mars.mhsorteio.app.br
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
x-powered-by: PHP/7.4.33
set-cookie: PHPSESSID=09b3e3051450e1856422ac45ccc39a3b; path=/
expires: Thu, 19 Nov 1981 08:52:00 GMT
cache-control: no-store, no-cache, must-revalidate
pragma: no-cache
content-type: text/html; charset=UTF-8
content-length: 244
date: Sun, 24 Mar 2024 10:11:27 GMT
server: LiteSpeed
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
GET

http://mars.mhsorteio.app.br/request

1524f984753f60aa2b865ef86b79a58b.exe

Remote address:

213.190.6.252:80

Request

GET /request HTTP/1.1
Host: mars.mhsorteio.app.br
Cache-Control: no-cache
Cookie: PHPSESSID=09b3e3051450e1856422ac45ccc39a3b

Response

HTTP/1.1 200 OK

Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
last-modified: Thu, 21 Mar 2024 12:30:39 GMT
accept-ranges: bytes
content-length: 2685679
date: Sun, 24 Mar 2024 10:11:27 GMT
server: LiteSpeed
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
POST

http://mars.mhsorteio.app.br/APwpnHWkYh.php

1524f984753f60aa2b865ef86b79a58b.exe

Remote address:

213.190.6.252:80

Request

POST /APwpnHWkYh.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----OHLNY58Q9RQIE3E3
Host: mars.mhsorteio.app.br
Content-Length: 60551
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: PHPSESSID=09b3e3051450e1856422ac45ccc39a3b

Response

HTTP/1.1 200 OK

Connection: Keep-Alive
Keep-Alive: timeout=5, max=100
x-powered-by: PHP/7.4.33
expires: Thu, 19 Nov 1981 08:52:00 GMT
cache-control: no-store, no-cache, must-revalidate
pragma: no-cache
content-type: text/html; charset=UTF-8
content-length: 0
date: Sun, 24 Mar 2024 10:11:36 GMT
server: LiteSpeed
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-xss-protection: 1; mode=block
x-content-type-options: nosniff

213.190.6.252:80

http://mars.mhsorteio.app.br/APwpnHWkYh.php

http

1524f984753f60aa2b865ef86b79a58b.exe

138.7kB
2.8MB
1541
2001

HTTP Request

GET http://mars.mhsorteio.app.br/APwpnHWkYh.php

HTTP Response

200

HTTP Request

GET http://mars.mhsorteio.app.br/request

HTTP Response

200

HTTP Request

POST http://mars.mhsorteio.app.br/APwpnHWkYh.php

HTTP Response

200

8.8.8.8:53

mars.mhsorteio.app.br

dns

1524f984753f60aa2b865ef86b79a58b.exe

67 B
83 B
1
1

DNS Request

mars.mhsorteio.app.br

DNS Response

213.190.6.252

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2768-0-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2768-1-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2768-50-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download