Malware Analysis Report

2025-03-15 05:55

Sample ID 240627-2nrv2awake
Target 17cdca0eea998b183fda6e63d598fa62_JaffaCakes118
SHA256 951dc88c95854bbf178b86d24d07dc9b6aa8b8e949a6d13951865030da93ed93
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

951dc88c95854bbf178b86d24d07dc9b6aa8b8e949a6d13951865030da93ed93

Threat Level: Shows suspicious behavior

The file 17cdca0eea998b183fda6e63d598fa62_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

2024-06-27 22:44

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 22:44

Reported

2024-06-27 22:57

Platform

win7-20240611-en

Max time kernel

120s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17cdca0eea998b183fda6e63d598fa62_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 2032 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2032 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2032 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2032 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2032 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2032 wrote to memory of 1640 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2032 wrote to memory of 1640 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\17cdca0eea998b183fda6e63d598fa62_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17cdca0eea998b183fda6e63d598fa62_JaffaCakes118.dll,#1

Network

N/A

Files

memory/1640-1-0x0000000074DA0000-0x0000000074E00000-memory.dmp

memory/1640-6-0x0000000074DA0000-0x0000000074E00000-memory.dmp

memory/1640-2-0x0000000074E00000-0x0000000074E60000-memory.dmp

memory/1640-0-0x0000000074E00000-0x0000000074E60000-memory.dmp

memory/1640-7-0x0000000074DA0000-0x0000000074E00000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 22:44

Reported

2024-06-27 22:50

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

55s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17cdca0eea998b183fda6e63d598fa62_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 2760 wrote to memory of 2996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2760 wrote to memory of 2996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2760 wrote to memory of 2996 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\17cdca0eea998b183fda6e63d598fa62_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17cdca0eea998b183fda6e63d598fa62_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 880

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/2996-0-0x0000000074D60000-0x0000000074DC0000-memory.dmp

memory/2996-3-0x0000000074D60000-0x0000000074DC0000-memory.dmp

memory/2996-4-0x0000000074D60000-0x0000000074DC0000-memory.dmp