marsstealer | f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9

Resubmissions

22-09-2022 17:11

220922-vqawzacac6 10

20-09-2022 13:07

220920-qct1gachf4 10

Analysis

max time kernel
144s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
submitted
20-09-2022 13:07

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General

Target

data64_1.exe
Size

159KB
MD5

95749d6bae439efc267962c9bc3cb2d6
SHA1

236763d6a739c9a68350c5e9775ea8723de2a916
SHA256

f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9
SHA512

3ee8697c54d69b837f0f81979edde35049904d677a849cfcd943d45d2615581cc18e78318e8d5d35e75273d732d6e06545edca7a4000222c766b4d8789a95fc6
SSDEEP

3072:Um/E8k9ZjpIL+zNch12KbAwSaSbJSp8Bb8EG:N/E8k91zz6/t88EG

Score

10^/10

marsstealer default spyware stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

gg.gemkan.online/gate.php

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer
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
T1081
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1008 2020 WerFault.exe data64_1.exe

pid	pid_target	process	target process
1008	2020	WerFault.exe	data64_1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

data64_1.exe

description	pid	process	target process
PID 2020 wrote to memory of 1008	2020	data64_1.exe	WerFault.exe
PID 2020 wrote to memory of 1008	2020	data64_1.exe	WerFault.exe
PID 2020 wrote to memory of 1008	2020	data64_1.exe	WerFault.exe
PID 2020 wrote to memory of 1008	2020	data64_1.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\data64_1.exe
"C:\Users\Admin\AppData\Local\Temp\data64_1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 800
  2⤵
  - Program crash
  PID:1008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1008-56-0x0000000000000000-mapping.dmp

Download
memory/2020-54-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2020-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/2020-57-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download