Malware Analysis Report

2025-03-15 05:55

Sample ID 240627-2rx68aycqp
Target 17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118
SHA256 6e49cf6d0f4d747f2d53eb3ed0e7d38dd9d02805a1fd2bf459c534ff5ac7c8ec
Tags
vmprotect
score
8/10

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
8/10

SHA256

6e49cf6d0f4d747f2d53eb3ed0e7d38dd9d02805a1fd2bf459c534ff5ac7c8ec

Threat Level: Likely malicious

The file 17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

vmprotect

Blocklisted process makes network request

VMProtect packed file

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-27 22:49

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 22:49

Reported

2024-06-27 23:00

Platform

win7-20240508-en

Max time kernel

147s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 129.6.15.28:37 tcp
US 129.6.15.29:37 tcp
US 132.163.4.101:37 tcp
US 132.163.4.102:37 tcp
US 132.163.4.103:37 tcp
US 128.138.140.44:37 tcp
US 192.43.244.18:37 tcp
US 131.107.1.10:37 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 22:49

Reported

2024-06-27 22:55

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1988 wrote to memory of 4256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1988 wrote to memory of 4256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1988 wrote to memory of 4256 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\17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17d22eb645882a4f08a95a9ea5e5c6bf_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 129.6.15.28:37 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 129.6.15.29:37 tcp
US 132.163.4.101:37 tcp
US 132.163.4.102:37 tcp
US 132.163.4.103:37 tcp
US 128.138.140.44:37 tcp
US 192.43.244.18:37 tcp
US 131.107.1.10:37 tcp

Files

N/A