marsstealer | 71ea59cbedf3c80b6e47bcd746463de8d82b650e0666183a3bd47bf1b2633378

Analysis

max time kernel
1s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 06:14

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General

Target

[Hentai JOI] MrsNuzuki Patreon 2023.exe
Size

11.5MB
MD5

9386af6fd41ad96b318f63b35ba418c7
SHA1

68763a50793e358faf7d089ebd27febdd07e3b77
SHA256

71ea59cbedf3c80b6e47bcd746463de8d82b650e0666183a3bd47bf1b2633378
SHA512

9344b70e176d9a892f22c5d192a714c19ec2beb6c6d997e72cc2fd8c7103cfeaa670e6f2fd234834ad18647dfbe9b31e12b49156821abf8391236a62261434f8
SSDEEP

12288:ytaCEOf6hozmO1LhZU2Pn5zvWKr5zaVTxOWQxBH+QWLoRrW4LbMQbKjVa:trOi70kLej

Score

10^/10

marsstealer default stealer

Malware Config

Extracted

Family

marsstealer

Botnet

Default

moscow-post.com/log/loger.php

Signatures

Mars Stealer
An infostealer written in C++ based on other infostealers.
stealer marsstealer
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1648 2116 WerFault.exe BYN8.exe

pid	pid_target	process	target process
1648	2116	WerFault.exe	BYN8.exe

C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe
"C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe"
1⤵
PID:2360

C:\Users\Admin\AppData\Roaming\Microsoft\BYN8.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\BYN8.exe"
2⤵
PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1376
3⤵
- Program crash
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2116 -ip 2116
1⤵
PID:2992

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

C:\Users\Admin\AppData\Roaming\Microsoft\BYN8.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2116-12-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2116-15-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2360-1-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/2360-0-0x0000000000920000-0x0000000000996000-memory.dmp

Filesize
472KB

Download
memory/2360-2-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/2360-13-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download