Malware Analysis Report

2025-03-15 05:52

Sample ID 240627-2dlahavbnc
Target 17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118
SHA256 9a5fb1e780cd2e99abfe2146fceb7bba9a973e4c3ed20d74ae11dd128cd12a74
Tags
persistence privilege_escalation vmprotect
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

9a5fb1e780cd2e99abfe2146fceb7bba9a973e4c3ed20d74ae11dd128cd12a74

Threat Level: Likely malicious

The file 17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

persistence privilege_escalation vmprotect

Event Triggered Execution: AppInit DLLs

VMProtect packed file

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 22:27

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: behavioral2

Detonation Overview

Submitted

2024-06-27 22:27

Reported

2024-06-27 22:30

Platform

win10v2004-20240611-en

Max time kernel

128s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118.dll,#1

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

VMProtect packed file

vmprotect
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1596 wrote to memory of 2984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 2984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1596 wrote to memory of 2984 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\17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 57.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/2984-0-0x000000000E000000-0x000000000E022000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 22:27

Reported

2024-06-27 22:30

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118.dll,#1

Signatures

Event Triggered Execution: AppInit DLLs

persistence privilege_escalation

VMProtect packed file

vmprotect
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2772 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2816 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2772 wrote to memory of 2816 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\17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\17c28486e68d77561ad0c9fdb38c32af_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2816-1-0x000000000E01C000-0x000000000E01D000-memory.dmp

memory/2816-0-0x000000000E000000-0x000000000E022000-memory.dmp