Malware Analysis Report

2025-01-18 21:53

Sample ID 240622-e85ajaycje
Target 014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118
SHA256 aad1ed0eb938d99220a9ceb07730fd09afa396d4bd6bedec912db397516e4542
Tags
adware stealer upx
score
7/10

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
7/10

SHA256

aad1ed0eb938d99220a9ceb07730fd09afa396d4bd6bedec912db397516e4542

Threat Level: Shows suspicious behavior

The file 014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer upx

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-22 04:37

Signatures

ACProtect 1.3x - 1.4x DLL software

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

UPX packed file

upx
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

2024-06-22 04:37

Reported

2024-06-22 04:40

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\ = "sb" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ = "sb" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ProgID\ = "014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2544 wrote to memory of 920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2544 wrote to memory of 920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2544 wrote to memory of 920 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\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll

Network

Files

memory/920-0-0x0000000000400000-0x0000000000498000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 04:37

Reported

2024-06-22 04:40

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ProgID\ = "014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\Clsid\ = "{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.sb\ = "sb" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\ = "sb" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-3EB9-3AFE-D742-E466BF12F4FD}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\014ac2f3ed968aabdf1279018fd4bd02_JaffaCakes118.dll

Network

N/A

Files

memory/848-0-0x00000000021E0000-0x0000000002278000-memory.dmp