Malware Analysis Report

2025-01-18 22:02

Sample ID 240622-dq2k9ayhkn
Target 01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118
SHA256 1ae02ca6f062bcbec59a65a057deccefc435b65896c094327da1dcb1f3de6cb6
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

1ae02ca6f062bcbec59a65a057deccefc435b65896c094327da1dcb1f3de6cb6

Threat Level: Shows suspicious behavior

The file 01091c9562dc33d01aeb1dd42f8109d1_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 03:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 03:13

Reported

2024-06-22 03:16

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\01091c9562dc33d01aeb1dd42f8109d1_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\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid\ = "{1953D34D-99EA-4030-9F9C-37A49E2CB16F}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID\ = "01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3012 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3012 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3012 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3012 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3012 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3012 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3012 wrote to memory of 2396 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\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll

Network

N/A

Files

memory/2396-0-0x0000000000220000-0x000000000029C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 03:13

Reported

2024-06-22 03:16

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\01091c9562dc33d01aeb1dd42f8109d1_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\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID\ = "01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid\ = "{1953D34D-99EA-4030-9F9C-37A49E2CB16F}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1953D34D-99EA-4030-9F9C-37A49E2CB16F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.VagaaÍ۸»­Ê±´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3264 wrote to memory of 3020 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3264 wrote to memory of 3020 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3264 wrote to memory of 3020 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\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\01091c9562dc33d01aeb1dd42f8109d1_JaffaCakes118.dll

Network

Files

N/A