Malware Analysis Report

2024-10-19 02:35

Sample ID 220309-r5zbbsheb2
Target 9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494
SHA256 9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494
Tags
taurus stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494

Threat Level: Known bad

The file 9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494 was found to be: Known bad.

Malicious Activity Summary

taurus stealer trojan

Taurus Stealer

Taurus Stealer Payload

Suspicious use of SetThreadContext

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-03-09 14:47

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-09 14:47

Reported

2022-03-09 14:49

Platform

win10v2004-en-20220113

Max time kernel

124s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus 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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3796 set thread context of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 3796 wrote to memory of 3916 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe

"C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3916 -ip 3916

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 192

Network

Country Destination Domain Proto
NL 142.251.39.99:443 tcp
NL 142.250.179.138:443 tcp
NL 142.250.179.195:443 tcp
NL 142.250.179.202:443 tcp
US 8.8.8.8:443 tcp
US 8.8.8.8:443 tcp
US 8.8.8.8:443 tcp
US 8.8.8.8:53 oneocsp.microsoft.com udp
US 131.253.33.203:80 oneocsp.microsoft.com tcp
US 8.8.8.8:53 www.microsoft.com udp
NL 2.21.41.70:80 www.microsoft.com tcp

Files

memory/3796-133-0x0000000000310000-0x00000000003DC000-memory.dmp

memory/3796-134-0x0000000075210000-0x00000000759C0000-memory.dmp

memory/3796-135-0x0000000004CC0000-0x0000000004D5C000-memory.dmp

memory/3796-136-0x0000000007A20000-0x0000000007FC4000-memory.dmp

memory/3796-137-0x0000000007550000-0x00000000075E2000-memory.dmp

memory/3796-138-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

memory/3796-139-0x0000000007920000-0x0000000007942000-memory.dmp

memory/3916-140-0x0000000000400000-0x0000000000437000-memory.dmp

memory/3916-141-0x0000000000400000-0x0000000000437000-memory.dmp

memory/3916-142-0x0000000000400000-0x0000000000437000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-09 14:47

Reported

2022-03-09 14:49

Platform

win7-20220223-en

Max time kernel

4294177s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus 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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 528 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
PID 668 wrote to memory of 304 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe C:\Windows\SysWOW64\WerFault.exe
PID 668 wrote to memory of 304 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe C:\Windows\SysWOW64\WerFault.exe
PID 668 wrote to memory of 304 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe C:\Windows\SysWOW64\WerFault.exe
PID 668 wrote to memory of 304 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe

"C:\Users\Admin\AppData\Local\Temp\9db755614d0680ac122b3b5afd1007c364918cd81559722da326ca54de017494.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 36

Network

N/A

Files

memory/528-54-0x0000000000BD0000-0x0000000000C9C000-memory.dmp

memory/528-55-0x0000000000380000-0x00000000003A0000-memory.dmp

memory/528-56-0x00000000004B0000-0x00000000004D4000-memory.dmp

memory/528-57-0x0000000074AD0000-0x00000000751BE000-memory.dmp

memory/528-58-0x0000000004A90000-0x0000000004A91000-memory.dmp

memory/528-59-0x0000000000590000-0x00000000005A2000-memory.dmp

memory/668-60-0x0000000000400000-0x0000000000437000-memory.dmp

memory/668-62-0x0000000000400000-0x0000000000437000-memory.dmp

memory/668-64-0x0000000000400000-0x0000000000437000-memory.dmp

memory/668-66-0x0000000000400000-0x0000000000437000-memory.dmp

memory/668-68-0x0000000000400000-0x0000000000437000-memory.dmp

memory/668-70-0x0000000000400000-0x0000000000437000-memory.dmp

memory/668-72-0x0000000000400000-0x0000000000437000-memory.dmp