marsstealer | 724d6bc716544962bc5a964381e3ba5689c50e28ebd4fb3fb59a3b8ae1111952

Analysis

max time kernel
142s
max time network
142s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
18-04-2024 01:22

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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

Executes dropped EXE 1 IoCs

pid	Process
2352	SJ89U4U1.exe

Loads dropped DLL 2 IoCs

pid	Process
2184	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe
2184	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2352	2184	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	28
PID 2184 wrote to memory of 2352	2184	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	28
PID 2184 wrote to memory of 2352	2184	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	28
PID 2184 wrote to memory of 2352	2184	5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe	28

C:\Users\Admin\AppData\Local\Temp\5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe
"C:\Users\Admin\AppData\Local\Temp\5452dc39044f0d4fc32236dda5c4ce986ae5aa33e6e1b653b3ed53fdf1ca745a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Roaming\Adobe\SJ89U4U1.exe
  "C:\Users\Admin\AppData\Roaming\Adobe\SJ89U4U1.exe"
  2⤵
  - Executes dropped EXE
  PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\Adobe\SJ89U4U1.exe

Filesize
159KB

MD5
3f2f75660ddca3660f254222ec2e54d9

SHA1
9e5710c00fc26b4d26d95c644040f56b652708b0

SHA256
ffe8a2116f63f9d5cdb408f3d1e8f476ea595b7323bc95808e33b45084f2e14f

SHA512
fee657800f455a2026a5ba4fb7e424bf52e77d1922c91fadd2f5a4284269eaa93c860065da13a439ea6c79ea855ecc58b99b9a293b6e64e91cc2dffd5ef92bbd

Download Submit
memory/2184-0-0x0000000000FB0000-0x0000000001026000-memory.dmp

Filesize
472KB

Download
memory/2184-1-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2184-11-0x00000000006B0000-0x00000000006ED000-memory.dmp

Filesize
244KB

Download
memory/2184-12-0x00000000006B0000-0x00000000006ED000-memory.dmp

Filesize
244KB

Download
memory/2184-14-0x0000000074D50000-0x000000007543E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-13-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download