Malware Analysis Report

2024-10-19 08:59

Sample ID 240825-1sg1ysyfqm
Target GT743.7z
SHA256 57fc6db0df25bde1c562461f02760e9431fa3ed31212406313458a8392dc6859
Tags
discovery
score
6/10

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
6/10

SHA256

57fc6db0df25bde1c562461f02760e9431fa3ed31212406313458a8392dc6859

Threat Level: Shows suspicious behavior

The file GT743.7z was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 21:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 21:54

Reported

2024-08-25 22:01

Platform

win10-20240404-uk

Max time kernel

196s

Max time network

297s

Command Line

"C:\Users\Admin\AppData\Local\Temp\File.exe"

Signatures

Looks up external IP address via web service

Description Indicator Process Target
N/A ipinfo.io N/A N/A
N/A api.myip.com N/A N/A
N/A api.myip.com N/A N/A
N/A ipinfo.io N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2584 set thread context of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\File.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\File.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\File.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2584 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4800 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2584 wrote to memory of 4376 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\File.exe

"C:\Users\Admin\AppData\Local\Temp\File.exe"

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

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

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

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

Network

Country Destination Domain Proto
NL 45.91.200.135:80 45.91.200.135 tcp
US 8.8.8.8:53 api.myip.com udp
US 104.26.8.59:443 api.myip.com tcp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.59.81:443 ipinfo.io tcp
US 8.8.8.8:53 135.200.91.45.in-addr.arpa udp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 59.8.26.104.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp

Files

memory/2584-0-0x0000000073B2E000-0x0000000073B2F000-memory.dmp

memory/2584-1-0x0000000000A60000-0x00000000012F2000-memory.dmp

memory/2584-2-0x0000000005BD0000-0x0000000005C6C000-memory.dmp

memory/2584-3-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/2584-4-0x0000000005DD0000-0x0000000006100000-memory.dmp

memory/2584-5-0x0000000007230000-0x0000000007558000-memory.dmp

memory/2584-6-0x0000000005C70000-0x0000000005C92000-memory.dmp

memory/4376-7-0x0000000000400000-0x00000000005E0000-memory.dmp

memory/4376-10-0x0000000000400000-0x00000000005E0000-memory.dmp

memory/4376-12-0x0000000000400000-0x00000000005E0000-memory.dmp

memory/2584-13-0x0000000073B20000-0x000000007420E000-memory.dmp

memory/4376-9-0x0000000000400000-0x00000000005E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 21:54

Reported

2024-08-25 22:01

Platform

win10v2004-20240802-uk

Max time kernel

147s

Max time network

207s

Command Line

"C:\Users\Admin\AppData\Local\Temp\File.exe"

Signatures

Looks up external IP address via web service

Description Indicator Process Target
N/A ipinfo.io N/A N/A
N/A ipinfo.io N/A N/A
N/A api.myip.com N/A N/A
N/A api.myip.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3632 set thread context of 4180 N/A C:\Users\Admin\AppData\Local\Temp\File.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\File.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\File.exe

"C:\Users\Admin\AppData\Local\Temp\File.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 45.56.20.217.in-addr.arpa udp
NL 195.10.205.48:80 195.10.205.48 tcp
US 8.8.8.8:53 48.205.10.195.in-addr.arpa udp
US 8.8.8.8:53 api.myip.com udp
US 104.26.8.59:443 api.myip.com tcp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.59.81:443 ipinfo.io tcp
US 8.8.8.8:53 59.8.26.104.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/3632-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

memory/3632-1-0x0000000000A80000-0x0000000001312000-memory.dmp

memory/3632-2-0x0000000005CE0000-0x0000000005D7C000-memory.dmp

memory/3632-3-0x0000000074C10000-0x00000000753C0000-memory.dmp

memory/3632-4-0x0000000005E80000-0x00000000061B0000-memory.dmp

memory/3632-5-0x00000000072E0000-0x0000000007608000-memory.dmp

memory/3632-6-0x0000000005C20000-0x0000000005C42000-memory.dmp

memory/4180-7-0x0000000000400000-0x00000000005E0000-memory.dmp

memory/3632-9-0x0000000074C10000-0x00000000753C0000-memory.dmp

memory/4180-10-0x0000000000400000-0x00000000005E0000-memory.dmp

memory/4180-13-0x0000000000400000-0x00000000005E0000-memory.dmp

memory/4180-11-0x0000000000400000-0x00000000005E0000-memory.dmp