Malware Analysis Report

2025-03-15 06:03

Sample ID 240510-y7d7haba69
Target 30e584b11d7945dde5b3e8ddb53e0533_JaffaCakes118
SHA256 a3b15600e3e2441921499ac4a10d0a78cd8f55d1cdcced5bbe576e7f96e9cb5c
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

a3b15600e3e2441921499ac4a10d0a78cd8f55d1cdcced5bbe576e7f96e9cb5c

Threat Level: Shows suspicious behavior

The file 30e584b11d7945dde5b3e8ddb53e0533_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 20:25

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

2024-05-10 20:25

Reported

2024-05-10 20:27

Platform

win7-20240508-en

Max time kernel

117s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30e584b11d7945dde5b3e8ddb53e0533_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

Program crash

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

Suspicious behavior: EnumeratesProcesses

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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30e584b11d7945dde5b3e8ddb53e0533_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30e584b11d7945dde5b3e8ddb53e0533_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 256

Network

N/A

Files

memory/1028-0-0x0000000002190000-0x000000000344F000-memory.dmp

memory/1028-3-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/1028-1-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/1028-5-0x00000000000C0000-0x00000000000C1000-memory.dmp

memory/1028-6-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1028-8-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1028-10-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1028-13-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1028-15-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1028-37-0x00000000024B3000-0x0000000002AE7000-memory.dmp

memory/1028-36-0x0000000002190000-0x000000000344F000-memory.dmp

memory/1028-35-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/1028-33-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/1028-31-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/1028-30-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/1028-28-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/1028-25-0x00000000002C0000-0x00000000002C1000-memory.dmp

memory/1028-23-0x00000000002C0000-0x00000000002C1000-memory.dmp

memory/1028-20-0x0000000000130000-0x0000000000131000-memory.dmp

memory/1028-18-0x0000000000130000-0x0000000000131000-memory.dmp

memory/1028-39-0x0000000002190000-0x000000000344F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 20:25

Reported

2024-05-10 20:28

Platform

win10v2004-20240508-en

Max time kernel

94s

Max time network

99s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30e584b11d7945dde5b3e8ddb53e0533_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

Program crash

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

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4524 wrote to memory of 2124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4524 wrote to memory of 2124 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4524 wrote to memory of 2124 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\30e584b11d7945dde5b3e8ddb53e0533_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\30e584b11d7945dde5b3e8ddb53e0533_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2124 -ip 2124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 676

Network

Country Destination Domain Proto
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2124-0-0x0000000002690000-0x000000000394F000-memory.dmp

memory/2124-3-0x0000000000D70000-0x0000000000D71000-memory.dmp

memory/2124-2-0x0000000000C50000-0x0000000000C51000-memory.dmp

memory/2124-1-0x0000000000C30000-0x0000000000C31000-memory.dmp

memory/2124-7-0x00000000029B3000-0x0000000002FE7000-memory.dmp

memory/2124-6-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

memory/2124-8-0x0000000003A50000-0x0000000003A51000-memory.dmp

memory/2124-5-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

memory/2124-4-0x0000000000D80000-0x0000000000D81000-memory.dmp

memory/2124-11-0x0000000002690000-0x000000000394F000-memory.dmp

memory/2124-12-0x0000000002690000-0x000000000394F000-memory.dmp

memory/2124-13-0x0000000002690000-0x000000000394F000-memory.dmp