Malware Analysis Report

2024-10-19 07:06

Sample ID 231225-glvtpaacdq
Target [Hentai JOI] MrsNuzuki Patreon 2023.exe
SHA256 71ea59cbedf3c80b6e47bcd746463de8d82b650e0666183a3bd47bf1b2633378
Tags
marsstealer default spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

71ea59cbedf3c80b6e47bcd746463de8d82b650e0666183a3bd47bf1b2633378

Threat Level: Known bad

The file [Hentai JOI] MrsNuzuki Patreon 2023.exe was found to be: Known bad.

Malicious Activity Summary

marsstealer default spyware stealer

Mars Stealer

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of web browsers

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-25 05:54

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 05:54

Reported

2023-12-25 05:57

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

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

Signatures

Mars Stealer

stealer marsstealer

Reads user/profile data of web browsers

spyware stealer

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1068 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe
PID 1068 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe
PID 1068 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe
PID 1068 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe
PID 2056 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe C:\Windows\SysWOW64\WerFault.exe
PID 2056 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe C:\Windows\SysWOW64\WerFault.exe
PID 2056 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe C:\Windows\SysWOW64\WerFault.exe
PID 2056 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe

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

C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe

"C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 848

Network

Country Destination Domain Proto
US 8.8.8.8:53 moscow-post.com udp
RU 185.71.67.60:80 moscow-post.com tcp
US 8.8.8.8:53 www.moscow-post.com udp
RU 185.71.67.60:80 www.moscow-post.com tcp
US 8.8.8.8:53 www.moscow-post.su udp
RU 185.71.67.60:80 www.moscow-post.su tcp

Files

memory/1068-0-0x00000000013A0000-0x0000000001416000-memory.dmp

memory/1068-1-0x0000000074D60000-0x000000007544E000-memory.dmp

memory/1068-2-0x0000000000B50000-0x0000000000B90000-memory.dmp

\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe

MD5 e1a63920912a17d77ba4661d309b835f
SHA1 500e7d02ec258ac0b82aabc49236f5e373173b61
SHA256 ed054537934e1ed7698219315982213ae145985ecb1b40a0dc1a19b4108de7d0
SHA512 c6ea5e0bb4f25b2a2e9d9b5eabeb2a03b7145c434df77f31fb2b23b86d1a717026cf868e8ee7a556a9aac3aaeffdae522e9b54411b750353ac433a4c194ede3c

C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe

MD5 f01befc15bb2e0a9f54e427731e13ec1
SHA1 a0f32f1c63687fd678ac8ba9161cc345f809606f
SHA256 d71f655ba364e807a234adf290ad48910c9bad749998ba512d72fca5777ce6a0
SHA512 1648f12b2eed120e29e9fba1bc8a59ae8faa077336a33562de32fc5e5100d83bf574a858ba6f2aa62cce6aeb5c513c8dc3f69e2394bb6fc0618d1f07dcc2d9e9

\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe

MD5 ccbede8d2869535347316a479f0b8095
SHA1 1dd0e7574972260c77ca90638950d83c7b00d8f2
SHA256 afae663cab910a67e7fb519797ff385926b77ee59fa0e96e1853318146d2e179
SHA512 9a0de846ced51215948a16300aec8aeb7cf0ef5c0005a3cb661fc27e85b5d25b3b3278e7c91fbedc9d0a1ec686fdcd8ff07f35b39931a7c28c8b2139dabf4456

memory/1068-13-0x0000000000AB0000-0x0000000000AED000-memory.dmp

memory/1068-11-0x0000000000AB0000-0x0000000000AED000-memory.dmp

memory/1068-15-0x0000000074D60000-0x000000007544E000-memory.dmp

memory/2056-14-0x0000000000400000-0x000000000043D000-memory.dmp

\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\T3YLJIMS.exe

MD5 c138cc7d4791df2d9930f063dfaccdc8
SHA1 91baab622ac9dbaafff064c27281cf48ed6bee38
SHA256 c4266efc851f47068fa6afda4726e88ef55ace22f222f71d80fef8abcc22b9a8
SHA512 a572687fd1082c8601e481a51ac6bdd426cbc393789eee3a7a0a3996bff66dd15f3c98ec2826726239be6b66f6f81c07c17b2e030e3efd2131ac9718fcb5e91f

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 05:54

Reported

2023-12-25 05:57

Platform

win10v2004-20231215-en

Max time kernel

139s

Max time network

151s

Command Line

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

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\[Hentai JOI] MrsNuzuki Patreon 2023.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1648 -ip 1648

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 992

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
US 8.8.8.8:53 udp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
US 8.8.8.8:53 udp
GB 88.221.134.32:80 tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
GB 88.221.135.217:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp

Files

memory/1648-2-0x0000000005320000-0x0000000005330000-memory.dmp

memory/1648-0-0x0000000000910000-0x0000000000986000-memory.dmp

memory/1648-1-0x0000000075060000-0x0000000075810000-memory.dmp

memory/1648-3-0x0000000075060000-0x0000000075810000-memory.dmp