marsstealer | 08f31352ae227131fa2d03a80dbe0dfaa0c081e2c93b0a09c4ca0910714c1f27

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 01:23

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General

Target

6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.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

Processes:

6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe

pid	process
2868	6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe
2868	6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.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

T1012

System Information Discovery

T1082

Processes:

6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe

C:\Users\Admin\AppData\Local\Temp\6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe
"C:\Users\Admin\AppData\Local\Temp\6e2f1f2570bb49a0ff0e8b7e781f03d6e7f78798afe053ae373842ec42712702.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
PID:2868

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:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2868-0-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2868-1-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2868-66-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download