marsstealer | 32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775

Analysis

max time kernel
134s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 21:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe
Size

619KB
MD5

ba6e7e1e9161199cda53984e8797add7
SHA1

c4ad796a18ffab0ef5f7df1a0db302114a4826d1
SHA256

32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775
SHA512

7cda7fc206a871949955bdc5dba5f0d53673b637d5a48c42be2095b461b83a5916c43e4037eb77c353cf01838c860f3ab31ce8f5b38631088578de107eba9b66
SSDEEP

12288:K5XTI5PwjN7SJxjHhXXBVDgIQ7JMKjK5+GbKGvOs2JCo/bSJBoFnCMX6k:KppbjjaatFKk

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

Processes:

32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe

Executes dropped EXE 1 IoCs

Processes:

4.exe

pid	Process
3612	4.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

Processes:

32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe

description	pid	Process	procid_target
PID 2660 wrote to memory of 3612	2660	32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe	89
PID 2660 wrote to memory of 3612	2660	32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe	89
PID 2660 wrote to memory of 3612	2660	32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe	89

C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe
"C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Roaming\Adobe\4.exe
  "C:\Users\Admin\AppData\Roaming\Adobe\4.exe"
  2⤵
  - Executes dropped EXE
  PID:3612

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\4.exe

Filesize
159KB

MD5
6c919bd1a5cf9a961aabade412f587cb

SHA1
5faaf4f33cb37eae2dc909d9b01c46bd9c7eb198

SHA256
dcfd1325f755080466602c7dcf44588b2e57ba7e59c47ba561d750c0f28a4be1

SHA512
de5a6e11b85ed4c5b13492f0b679f00c419a2d0f2ff06547cd385af34ae0ca3d0de614f082b2b03095e8c10bed2c304e123a2ad4ee56d687aeb5ebbab5399967

Download Submit
memory/2660-0-0x0000000000930000-0x00000000009D0000-memory.dmp

Filesize
640KB

Download
memory/2660-1-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/2660-2-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/2660-13-0x0000000074960000-0x0000000075110000-memory.dmp

Filesize
7.7MB

Download
memory/3612-12-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download