Malware Analysis Report

2025-08-11 01:11

Sample ID 231006-1b1fzagb3x
Target 769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f
SHA256 769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f
Tags
mystic stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f

Threat Level: Known bad

The file 769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f was found to be: Known bad.

Malicious Activity Summary

mystic stealer

Detect Mystic stealer payload

Mystic

Suspicious use of SetThreadContext

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-06 21:29

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-06 21:29

Reported

2023-10-06 21:31

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe"

Signatures

Detect Mystic stealer payload

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

Mystic

stealer mystic

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4620 set thread context of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Processes

C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe

"C:\Users\Admin\AppData\Local\Temp\769eddf00fdb875afc613333c2e4a1155c06b116aa22f380b124fd9c00f67d1f.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4620 -ip 4620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 148

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 112.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
RU 5.42.92.211:80 5.42.92.211 tcp
US 8.8.8.8:53 211.92.42.5.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

memory/1248-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1248-1-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1248-2-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1248-3-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1248-4-0x0000000000400000-0x0000000000428000-memory.dmp