Malware Analysis Report

2025-01-22 12:52

Sample ID 240520-ym8wdaeg25
Target 60e4a7be620e97dd548dc5dcc079666c_JaffaCakes118
SHA256 cc8a8f982f00c2cb8921b485c598a4d5a1429638f388654aeb89fc74081234be
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

cc8a8f982f00c2cb8921b485c598a4d5a1429638f388654aeb89fc74081234be

Threat Level: Shows suspicious behavior

The file 60e4a7be620e97dd548dc5dcc079666c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-20 19:55

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

2024-05-20 19:55

Reported

2024-05-20 20:32

Platform

win7-20240215-en

Max time kernel

117s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e4a7be620e97dd548dc5dcc079666c_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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e4a7be620e97dd548dc5dcc079666c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e4a7be620e97dd548dc5dcc079666c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 220

Network

N/A

Files

memory/2752-2-0x0000000074BB0000-0x0000000074CCE000-memory.dmp

memory/2752-1-0x0000000074BB0000-0x0000000074CCE000-memory.dmp

memory/2752-0-0x0000000074CD0000-0x0000000074DEE000-memory.dmp

memory/2752-3-0x0000000074BB0000-0x0000000074CCE000-memory.dmp

memory/2752-5-0x0000000074BB0000-0x0000000074CCE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-20 19:55

Reported

2024-05-20 20:32

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e4a7be620e97dd548dc5dcc079666c_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 use of WriteProcessMemory

Description Indicator Process Target
PID 2744 wrote to memory of 4676 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2744 wrote to memory of 4676 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2744 wrote to memory of 4676 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\60e4a7be620e97dd548dc5dcc079666c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e4a7be620e97dd548dc5dcc079666c_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4676 -ip 4676

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 648

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp

Files

memory/4676-0-0x0000000074DB0000-0x0000000074ECE000-memory.dmp

memory/4676-1-0x0000000074DB0000-0x0000000074ECE000-memory.dmp

memory/4676-3-0x0000000074DB0000-0x0000000074ECE000-memory.dmp