marsstealer | 5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a

Analysis

max time kernel
120s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 01:24

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General

Target

5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe
Size

1.0MB
MD5

588fe99f2631db84a27bbfceca342f8c
SHA1

84349b654c2f549d85dff6c3a548c7e11f79a5e3
SHA256

5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a
SHA512

d00d71d1d1bb8699727914a39190414f332c5be706f66b39ad1b1b8044c2ee7aec17511d784c864660c4c5230d51f69fc577b79ddc37d4c453a66f0bb25d9dfd
SSDEEP

12288:Me/cwY1icfinL+r3FI4PpJEtpnxnI+UejPFnOVy/:/YTr1IDtpnv9P

Score

10^/10

marsstealer default stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe

Executes dropped EXE 1 IoCs

pid	Process
756	22E45C8K.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 756	920	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	86
PID 920 wrote to memory of 756	920	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	86
PID 920 wrote to memory of 756	920	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	86

C:\Users\Admin\AppData\Local\Temp\5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe
"C:\Users\Admin\AppData\Local\Temp\5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Roaming\Adobe\22E45C8K.exe
  "C:\Users\Admin\AppData\Roaming\Adobe\22E45C8K.exe"
  2⤵
  - Executes dropped EXE
  PID:756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\22E45C8K.exe

Filesize
159KB

MD5
3f2f75660ddca3660f254222ec2e54d9

SHA1
9e5710c00fc26b4d26d95c644040f56b652708b0

SHA256
ffe8a2116f63f9d5cdb408f3d1e8f476ea595b7323bc95808e33b45084f2e14f

SHA512
fee657800f455a2026a5ba4fb7e424bf52e77d1922c91fadd2f5a4284269eaa93c860065da13a439ea6c79ea855ecc58b99b9a293b6e64e91cc2dffd5ef92bbd

Download Submit
memory/756-11-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/920-0-0x00000000004C0000-0x0000000000536000-memory.dmp

Filesize
472KB

Download
memory/920-1-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/920-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/920-12-0x0000000005EC0000-0x0000000005F52000-memory.dmp

Filesize
584KB

Download
memory/920-14-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download