Malware Analysis Report

2025-01-18 21:53

Sample ID 240622-el6j3s1cqq
Target 012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118
SHA256 17519dc2d7e2853feb8a78fddb1cc20fe8d9f50a4a40f13c4b996cd268ea388f
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

17519dc2d7e2853feb8a78fddb1cc20fe8d9f50a4a40f13c4b996cd268ea388f

Threat Level: Shows suspicious behavior

The file 012c93a7a521bfc1914f8ca85c7ab5c9_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 04:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 04:02

Reported

2024-06-22 04:05

Platform

win7-20240419-en

Max time kernel

119s

Max time network

119s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B96E9504-A792-4816-827B-27EE6C0B807B}\ C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B96E9504-A792-4816-827B-27EE6C0B807B} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\ProgID\ = "012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid\ = "{B96E9504-A792-4816-827B-27EE6C0B807B}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2236 wrote to memory of 1344 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2236 wrote to memory of 1344 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2236 wrote to memory of 1344 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2236 wrote to memory of 1344 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2236 wrote to memory of 1344 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2236 wrote to memory of 1344 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2236 wrote to memory of 1344 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\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll

Network

N/A

Files

memory/1344-0-0x0000000000340000-0x00000000003BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 04:02

Reported

2024-06-22 04:05

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\012c93a7a521bfc1914f8ca85c7ab5c9_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\{B96E9504-A792-4816-827B-27EE6C0B807B} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B96E9504-A792-4816-827B-27EE6C0B807B}\ C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid\ = "{B96E9504-A792-4816-827B-27EE6C0B807B}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»­Ê±´ú\Clsid C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\ProgID C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\ProgID\ = "012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.VagaaÍ۸»\u00adʱ´ú" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B96E9504-A792-4816-827B-27EE6C0B807B}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3524 wrote to memory of 3052 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3524 wrote to memory of 3052 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3524 wrote to memory of 3052 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\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\012c93a7a521bfc1914f8ca85c7ab5c9_JaffaCakes118.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A