marsstealer | f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9

Resubmissions

22-09-2022 17:11

220922-vqkq6scac9 10

19-09-2022 07:47

220919-jmwhqaegc3 10

Analysis

max time kernel
142s
max time network
43s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
22-09-2022 17:11

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General

Target

f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.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

1172 1504 WerFault.exe f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe

pid	pid_target	process	target process
1172	1504	WerFault.exe	f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe

description	pid	process	target process
PID 1504 wrote to memory of 1172	1504	f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe	WerFault.exe
PID 1504 wrote to memory of 1172	1504	f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe	WerFault.exe
PID 1504 wrote to memory of 1172	1504	f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe	WerFault.exe
PID 1504 wrote to memory of 1172	1504	f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe
"C:\Users\Admin\AppData\Local\Temp\f464ed5d98af0625c6c4678b916aa465f47a938e1cf4ad3bf5a95d129f8fb5f9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 784
2⤵
- Program crash
PID:1172

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1172-56-0x0000000000000000-mapping.dmp

Download
memory/1504-54-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1504-55-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1504-57-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download