Malware Analysis Report

2025-03-15 05:53

Sample ID 240628-p8wcqs1apc
Target 1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118
SHA256 c42936444650e52d58dd8fbd56f69ccbb7822309ce57dd575e83959fcf0d845f
Tags
vmprotect
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
7/10

SHA256

c42936444650e52d58dd8fbd56f69ccbb7822309ce57dd575e83959fcf0d845f

Threat Level: Shows suspicious behavior

The file 1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-28 13:00

Signatures

VMProtect packed file

vmprotect
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

2024-06-28 13:00

Reported

2024-06-28 13:03

Platform

win7-20240508-en

Max time kernel

119s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118.dll,#1

Signatures

VMProtect packed file

vmprotect
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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1872 wrote to memory of 2136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2136-3-0x0000000010000000-0x000000001015D000-memory.dmp

memory/2136-4-0x0000000010000000-0x000000001015D000-memory.dmp

memory/2136-2-0x0000000010000000-0x000000001015D000-memory.dmp

memory/2136-1-0x0000000010000000-0x000000001015D000-memory.dmp

memory/2136-0-0x0000000010000000-0x000000001015D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 13:00

Reported

2024-06-28 13:03

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118.dll,#1

Signatures

VMProtect packed file

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2184 wrote to memory of 1204 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 1204 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 1204 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a36981330e464dc6571f63a5e43f6a5_JaffaCakes118.dll,#1

Network

Files

memory/1204-0-0x0000000010000000-0x000000001015D000-memory.dmp

memory/1204-1-0x0000000010000000-0x000000001015D000-memory.dmp