Malware Analysis Report

2024-10-10 07:56

Sample ID 240614-3ltghsvcjj
Target cheat.exe
SHA256 74c5383e22aa8ae4e9941fd5d431c80b617f583e4158647c807d5d6188d7cced
Tags
themida evasion persistence 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 Overview

score
9/10

SHA256

74c5383e22aa8ae4e9941fd5d431c80b617f583e4158647c807d5d6188d7cced

Threat Level: Likely malicious

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

Malicious Activity Summary

themida evasion persistence 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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 23:36

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

2024-06-14 23:36

Reported

2024-06-14 23:37

Platform

win10-20240404-en

Max time kernel

40s

Max time network

17s

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

Suspicious use of FindShellTrayWindow

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4924 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\cheat.exe C:\Windows\system32\cmd.exe
PID 4924 wrote to memory of 924 N/A C:\Users\Admin\AppData\Local\Temp\cheat.exe C:\Windows\system32\cmd.exe
PID 924 wrote to memory of 4976 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\certutil.exe
PID 924 wrote to memory of 4976 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\certutil.exe
PID 924 wrote to memory of 652 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\find.exe
PID 924 wrote to memory of 652 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\find.exe
PID 924 wrote to memory of 2456 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\find.exe
PID 924 wrote to memory of 2456 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\find.exe

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cheat.exe" MD5 | find /i /v "md5" | find /i /v "certutil"

C:\Windows\system32\certutil.exe

certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\cheat.exe" MD5

C:\Windows\system32\find.exe

find /i /v "md5"

C:\Windows\system32\find.exe

find /i /v "certutil"

Network

Country Destination Domain Proto
US 8.8.8.8:53 clientsettingscdn.roblox.com udp
BE 104.68.69.233:443 clientsettingscdn.roblox.com tcp
US 8.8.8.8:53 233.69.68.104.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 keyauth.win udp
US 172.67.72.57:443 keyauth.win tcp
N/A 127.0.0.1:49777 tcp
N/A 127.0.0.1:49779 tcp
US 8.8.8.8:53 x2.c.lencr.org udp
BE 23.55.97.11:80 x2.c.lencr.org tcp
US 8.8.8.8:53 57.72.67.172.in-addr.arpa udp
US 8.8.8.8:53 11.97.55.23.in-addr.arpa udp

Files

memory/4924-1-0x00007FFFC8508000-0x00007FFFC850A000-memory.dmp

memory/4924-0-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-2-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-3-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-4-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-5-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-7-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-8-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-6-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp

memory/4924-17-0x00007FF7DCD70000-0x00007FF7DD82A000-memory.dmp