Malware Analysis Report

2025-05-28 16:41

Sample ID 230704-tcpmjafa69
Target svchostexe.exe
SHA256 1a5ef68208365f3575fb08d6fba84b3a8a6564cec61db97279a8574522defe7c
Tags
agilenet evasion themida trojan
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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
9/10

SHA256

1a5ef68208365f3575fb08d6fba84b3a8a6564cec61db97279a8574522defe7c

Threat Level: Likely malicious

The file svchostexe.exe was found to be: Likely malicious.

Malicious Activity Summary

agilenet evasion themida trojan

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Obfuscated with Agile.Net obfuscator

Checks BIOS information in registry

Loads dropped DLL

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-04 15:54

Signatures

Obfuscated with Agile.Net obfuscator

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-04 15:54

Reported

2023-07-04 15:57

Platform

win7-20230703-en

Max time kernel

146s

Max time network

113s

Command Line

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

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A

Loads dropped DLL

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

Obfuscated with Agile.Net obfuscator

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

Themida packer

themida
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
N/A N/A N/A N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Users\Admin\AppData\Local\Temp\svchostexe.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2304 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\svchostexe.exe C:\Windows\system32\WerFault.exe
PID 2304 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\svchostexe.exe C:\Windows\system32\WerFault.exe
PID 2304 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Local\Temp\svchostexe.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2304 -s 1096

Network

Files

memory/2304-54-0x00000000000E0000-0x00000000007FE000-memory.dmp

\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll

MD5 05b012457488a95a05d0541e0470d392
SHA1 74f541d6a8365508c794ef7b4ac7c297457f9ce3
SHA256 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d
SHA512 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6

C:\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll

MD5 05b012457488a95a05d0541e0470d392
SHA1 74f541d6a8365508c794ef7b4ac7c297457f9ce3
SHA256 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d
SHA512 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6

memory/2304-61-0x000000001B550000-0x000000001B5D0000-memory.dmp

memory/2304-62-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp

memory/2304-64-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp

memory/2304-72-0x000007FEF6A30000-0x000007FEF6B5C000-memory.dmp

memory/2304-73-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

memory/2304-74-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp

memory/2304-75-0x000000001B550000-0x000000001B5D0000-memory.dmp

memory/2304-83-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-04 15:54

Reported

2023-07-04 15:57

Platform

win10v2004-20230703-en

Max time kernel

64s

Max time network

131s

Command Line

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

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A

Loads dropped DLL

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

Obfuscated with Agile.Net obfuscator

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

Themida packer

themida
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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\svchostexe.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\system32\WerFault.exe C:\Users\Admin\AppData\Local\Temp\svchostexe.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 408 -p 3876 -ip 3876

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3876 -s 1520

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/3876-133-0x0000000000F10000-0x000000000162E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll

MD5 05b012457488a95a05d0541e0470d392
SHA1 74f541d6a8365508c794ef7b4ac7c297457f9ce3
SHA256 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d
SHA512 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6

C:\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll

MD5 05b012457488a95a05d0541e0470d392
SHA1 74f541d6a8365508c794ef7b4ac7c297457f9ce3
SHA256 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d
SHA512 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6

memory/3876-140-0x000000001C2D0000-0x000000001C2E0000-memory.dmp

memory/3876-141-0x00007FFA2DF70000-0x00007FFA2EAF4000-memory.dmp

memory/3876-143-0x00007FFA2DF70000-0x00007FFA2EAF4000-memory.dmp

memory/3876-146-0x00007FFA40430000-0x00007FFA4057E000-memory.dmp

memory/3876-147-0x00007FFA2DF70000-0x00007FFA2EAF4000-memory.dmp