Malware Analysis Report

2024-10-16 06:54

Sample ID 240616-tcj22stcmm
Target cheat.exe
SHA256 74c5383e22aa8ae4e9941fd5d431c80b617f583e4158647c807d5d6188d7cced
Tags
evasion persistence themida trojan
score
9/10

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
9/10

SHA256

74c5383e22aa8ae4e9941fd5d431c80b617f583e4158647c807d5d6188d7cced

Threat Level: Likely malicious

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

Malicious Activity Summary

evasion persistence themida trojan

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

Sets service image path in registry

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 15:54

Signatures

Themida packer

themida
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

2024-06-16 15:54

Reported

2024-06-16 15:57

Platform

win7-20240611-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cheat.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\cheat.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" C:\Users\Admin\AppData\Local\Temp\cheat.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\cheat.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\cheat.exe 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
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\cheat.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1044 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\cheat.exe C:\Windows\system32\WerFault.exe
PID 1044 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\cheat.exe C:\Windows\system32\WerFault.exe
PID 1044 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\cheat.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1044 -s 880

Network

Country Destination Domain Proto
US 8.8.8.8:53 clientsettingscdn.roblox.com udp
IE 18.66.171.45:443 clientsettingscdn.roblox.com tcp
IE 18.66.171.45:443 clientsettingscdn.roblox.com tcp
IE 18.66.171.45:443 clientsettingscdn.roblox.com tcp
IE 18.66.171.45:443 clientsettingscdn.roblox.com tcp

Files

memory/1044-0-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-1-0x0000000077280000-0x0000000077282000-memory.dmp

memory/1044-3-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-4-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-2-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-6-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-8-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-7-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-5-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-10-0x000000013FE40000-0x00000001408FA000-memory.dmp

memory/1044-12-0x000000013FE40000-0x00000001408FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 15:54

Reported

2024-06-16 15:57

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cheat.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\cheat.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\frAQBc8Wsa1xVPfv\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\frAQBc8Wsa1xVPfv" C:\Users\Admin\AppData\Local\Temp\cheat.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\cheat.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\cheat.exe 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
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\cheat.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: LoadsDriver

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 clientsettingscdn.roblox.com udp

Files

memory/4556-1-0x00007FF8794D0000-0x00007FF8794D2000-memory.dmp

memory/4556-0-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-2-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-4-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-3-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-7-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-8-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-6-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-5-0x00007FF687650000-0x00007FF68810A000-memory.dmp

memory/4556-10-0x00007FF687650000-0x00007FF68810A000-memory.dmp