Malware Analysis Report

2025-03-15 05:52

Sample ID 240627-wnsvfavglr
Target 16f9330289ea11e0cf05b3747ca19ba7_JaffaCakes118
SHA256 5b7f0f19f5d76b8256af323e007fdcad4607ba274da002a5f536edcaaa56c32a
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

5b7f0f19f5d76b8256af323e007fdcad4607ba274da002a5f536edcaaa56c32a

Threat Level: Shows suspicious behavior

The file 16f9330289ea11e0cf05b3747ca19ba7_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

2024-06-27 18:04

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 18:04

Reported

2024-06-27 18:07

Platform

win7-20240611-en

Max time kernel

119s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16f9330289ea11e0cf05b3747ca19ba7_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 3000 wrote to memory of 3048 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3000 wrote to memory of 3048 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3000 wrote to memory of 3048 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3000 wrote to memory of 3048 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3000 wrote to memory of 3048 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3000 wrote to memory of 3048 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3000 wrote to memory of 3048 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\16f9330289ea11e0cf05b3747ca19ba7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16f9330289ea11e0cf05b3747ca19ba7_JaffaCakes118.dll,#1

Network

N/A

Files

memory/3048-0-0x0000000010000000-0x0000000010034000-memory.dmp

memory/3048-3-0x0000000010025000-0x0000000010026000-memory.dmp

memory/3048-1-0x0000000010000000-0x0000000010034000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 18:04

Reported

2024-06-27 18:07

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16f9330289ea11e0cf05b3747ca19ba7_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 1348 wrote to memory of 3900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1348 wrote to memory of 3900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1348 wrote to memory of 3900 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\16f9330289ea11e0cf05b3747ca19ba7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\16f9330289ea11e0cf05b3747ca19ba7_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

memory/3900-0-0x0000000010000000-0x0000000010034000-memory.dmp

memory/3900-3-0x0000000010025000-0x0000000010026000-memory.dmp

memory/3900-1-0x0000000010000000-0x0000000010034000-memory.dmp