Malware Analysis Report

2024-10-10 07:50

Sample ID 240615-x2x7rascpc
Target LatteLoader.proc.exe
SHA256 83aebb7f08de8734ddfa49ae2f266737681bb8e28536933bd0612ff6dbbb4e1f
Tags
themida evasion 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

83aebb7f08de8734ddfa49ae2f266737681bb8e28536933bd0612ff6dbbb4e1f

Threat Level: Likely malicious

The file LatteLoader.proc.exe was found to be: Likely malicious.

Malicious Activity Summary

themida evasion trojan

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

Themida packer

Checks BIOS information in registry

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-15 19:21

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

2024-06-15 19:21

Reported

2024-06-15 19:39

Platform

win10-20240404-en

Max time kernel

316s

Max time network

866s

Command Line

"C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.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\LatteLoader.proc.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\LatteLoader.proc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.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

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\LatteLoader.proc.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2056 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.exe C:\Windows\system32\cmd.exe
PID 2056 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.exe C:\Windows\system32\cmd.exe
PID 204 wrote to memory of 4560 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\cmd.exe
PID 204 wrote to memory of 4560 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\cmd.exe
PID 4560 wrote to memory of 2292 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 4560 wrote to memory of 2292 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.exe

"C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"

C:\Windows\system32\cmd.exe

cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"

C:\Windows\system32\timeout.exe

timeout /t 5

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 225.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp

Files

memory/2056-0-0x0000000140000000-0x0000000140A39000-memory.dmp

memory/2056-7-0x00007FFD8B948000-0x00007FFD8B94A000-memory.dmp

memory/2056-8-0x0000000140000000-0x0000000140A39000-memory.dmp

memory/2056-9-0x0000000140000000-0x0000000140A39000-memory.dmp

memory/2056-10-0x0000000140000000-0x0000000140A39000-memory.dmp

memory/2056-12-0x0000000140000000-0x0000000140A39000-memory.dmp