Malware Analysis Report

2025-03-15 05:52

Sample ID 240627-z39y2s1ejg
Target 178e35a46c10814f934fae0474aaea5f_JaffaCakes118
SHA256 59f60d0b78af53a4a99317c502bd28f9c9e03d8c6844bddb9235c0e787964ca9
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

59f60d0b78af53a4a99317c502bd28f9c9e03d8c6844bddb9235c0e787964ca9

Threat Level: Shows suspicious behavior

The file 178e35a46c10814f934fae0474aaea5f_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

2024-06-27 21:15

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

2024-06-27 21:15

Reported

2024-06-27 21:18

Platform

win7-20240508-en

Max time kernel

121s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\178e35a46c10814f934fae0474aaea5f_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

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 1904 wrote to memory of 1852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1904 wrote to memory of 1852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1904 wrote to memory of 1852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1904 wrote to memory of 1852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1904 wrote to memory of 1852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1904 wrote to memory of 1852 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1904 wrote to memory of 1852 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\178e35a46c10814f934fae0474aaea5f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\178e35a46c10814f934fae0474aaea5f_JaffaCakes118.dll,#1

Network

N/A

Files

memory/1852-0-0x00000000746B0000-0x0000000074701000-memory.dmp

memory/1852-2-0x00000000746B0000-0x0000000074701000-memory.dmp

memory/1852-1-0x0000000074650000-0x00000000746A1000-memory.dmp

memory/1852-3-0x0000000074650000-0x00000000746A1000-memory.dmp

memory/1852-4-0x0000000074650000-0x00000000746A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 21:15

Reported

2024-06-27 21:18

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\178e35a46c10814f934fae0474aaea5f_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

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 640 wrote to memory of 4128 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 4128 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 4128 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\178e35a46c10814f934fae0474aaea5f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\178e35a46c10814f934fae0474aaea5f_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp

Files

memory/4128-0-0x0000000074D60000-0x0000000074DB1000-memory.dmp

memory/4128-1-0x0000000074D60000-0x0000000074DB1000-memory.dmp

memory/4128-2-0x0000000074D60000-0x0000000074DB1000-memory.dmp