Malware Analysis Report

2025-01-18 21:54

Sample ID 240622-fqxcmszapc
Target 0168dc67c48c8871e2603ae101c957a5_JaffaCakes118
SHA256 2d1073cda2a091d8755bc2b499798f62796da6a73d2a7b9e723f023e5631db2f
Tags
adware stealer
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
6/10

SHA256

2d1073cda2a091d8755bc2b499798f62796da6a73d2a7b9e723f023e5631db2f

Threat Level: Shows suspicious behavior

The file 0168dc67c48c8871e2603ae101c957a5_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

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 05:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 05:05

Reported

2024-06-22 05:07

Platform

win7-20231129-en

Max time kernel

119s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll

Signatures

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-32EB-CCB3-B55A-7D1BC9AE1E24} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1\Clsid\ = "{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\ProgID\ = "0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1\ = "b1" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\ = "b1" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1724 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1880 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1724 wrote to memory of 1880 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\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll

Network

N/A

Files

memory/1880-0-0x0000000002180000-0x0000000002239000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 05:05

Reported

2024-06-22 05:07

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll

Signatures

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-32EB-CCB3-B55A-7D1BC9AE1E24} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\ = "b1" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1\Clsid\ = "{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\ProgID\ = "0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-32EB-CCB3-B55A-7D1BC9AE1E24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1\ = "b1" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.b1\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4584 wrote to memory of 1932 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4584 wrote to memory of 1932 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4584 wrote to memory of 1932 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\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\0168dc67c48c8871e2603ae101c957a5_JaffaCakes118.dll

Network

Files

N/A