Malware Analysis Report

2025-01-22 13:01

Sample ID 240626-l2r5ysyhnd
Target 119bacfe95f0feb922e5d94127b285d1_JaffaCakes118
SHA256 92761fa10b905bd5dbd9d8e25f5de5c1288a2c6ebbd1c7347d36aae7f31342d8
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

92761fa10b905bd5dbd9d8e25f5de5c1288a2c6ebbd1c7347d36aae7f31342d8

Threat Level: Shows suspicious behavior

The file 119bacfe95f0feb922e5d94127b285d1_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-26 10:02

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

2024-06-26 10:02

Reported

2024-06-26 10:04

Platform

win7-20240611-en

Max time kernel

122s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\119bacfe95f0feb922e5d94127b285d1_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 WriteProcessMemory

Description Indicator Process Target
PID 1704 wrote to memory of 1320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 1320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 1320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 1320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 1320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 1320 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1704 wrote to memory of 1320 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\119bacfe95f0feb922e5d94127b285d1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\119bacfe95f0feb922e5d94127b285d1_JaffaCakes118.dll,#1

Network

N/A

Files

memory/1320-2-0x0000000010000000-0x00000000100DE000-memory.dmp

memory/1320-3-0x0000000010000000-0x00000000100DE000-memory.dmp

memory/1320-1-0x0000000010000000-0x00000000100DE000-memory.dmp

memory/1320-0-0x0000000010000000-0x00000000100DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 10:02

Reported

2024-06-26 10:04

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\119bacfe95f0feb922e5d94127b285d1_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 WriteProcessMemory

Description Indicator Process Target
PID 4228 wrote to memory of 4608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4228 wrote to memory of 4608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4228 wrote to memory of 4608 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\119bacfe95f0feb922e5d94127b285d1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\119bacfe95f0feb922e5d94127b285d1_JaffaCakes118.dll,#1

Network

Files

memory/4608-0-0x0000000010000000-0x00000000100DE000-memory.dmp

memory/4608-1-0x0000000010000000-0x00000000100DE000-memory.dmp