Malware Analysis Report

2025-03-15 05:48

Sample ID 240624-adqrfazarh
Target 04ef742b7403b280d680550885e867c3_JaffaCakes118
SHA256 c8a081952c97bfeadc75f6c1f423f2160e867af08a1112f19837b8581ba7a31b
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
7/10

SHA256

c8a081952c97bfeadc75f6c1f423f2160e867af08a1112f19837b8581ba7a31b

Threat Level: Shows suspicious behavior

The file 04ef742b7403b280d680550885e867c3_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 00:06

Signatures

ASPack v2.12-2.42

aspackv2
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

2024-06-24 00:06

Reported

2024-06-24 00:08

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04ef742b7403b280d680550885e867c3_JaffaCakes118.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2356 wrote to memory of 2216 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2356 wrote to memory of 2216 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2356 wrote to memory of 2216 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04ef742b7403b280d680550885e867c3_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\04ef742b7403b280d680550885e867c3_JaffaCakes118.dll

Network

Files

memory/2216-0-0x0000000000B70000-0x0000000000B71000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 00:06

Reported

2024-06-24 00:08

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04ef742b7403b280d680550885e867c3_JaffaCakes118.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3056 wrote to memory of 2228 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04ef742b7403b280d680550885e867c3_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\04ef742b7403b280d680550885e867c3_JaffaCakes118.dll

Network

N/A

Files

N/A