Malware Analysis Report

2025-01-18 22:19

Sample ID 240501-ddyntsec51
Target 0af2ff66602526da35311858090a45a4_JaffaCakes118
SHA256 11da25e63cd03c9924bcf8d7ae66933d660f5f8989afeb69c53617c52002c4e1
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

11da25e63cd03c9924bcf8d7ae66933d660f5f8989afeb69c53617c52002c4e1

Threat Level: Shows suspicious behavior

The file 0af2ff66602526da35311858090a45a4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-01 02:54

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-01 02:54

Reported

2024-05-01 02:56

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0af2ff66602526da35311858090a45a4_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\{ed381eb3-45e2-4e12-89eb-be974b15da44} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ed381eb3-45e2-4e12-89eb-be974b15da44}\ = "SpadeCast 1.0.0.6" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ed381eb3-45e2-4e12-89eb-be974b15da44}\NoExplorer = "1" C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\FLAGS\ = "0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ = "ISpadeCast" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\FLAGS C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\ = "{11CA42D1-E946-41C9-A525-8442681A358A}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\Version\ = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ = "ISpadeCast" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\0 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\TypeLib\ = "{11ca42d1-e946-41c9-a525-8442681a358a}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\ = "{11CA42D1-E946-41C9-A525-8442681A358A}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\0\win32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\HELPDIR C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\ = "SpadeCastIEClientLib" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\Version C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\ = "SpadeCast 1.0.0.6" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2872 wrote to memory of 2900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2900 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2872 wrote to memory of 2900 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\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-01 02:54

Reported

2024-05-01 02:56

Platform

win10v2004-20240419-en

Max time kernel

66s

Max time network

52s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0af2ff66602526da35311858090a45a4_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\{ed381eb3-45e2-4e12-89eb-be974b15da44} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ed381eb3-45e2-4e12-89eb-be974b15da44}\ = "SpadeCast 1.0.0.6" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ed381eb3-45e2-4e12-89eb-be974b15da44}\NoExplorer = "1" C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\FLAGS C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ = "ISpadeCast" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\TypeLib\ = "{11ca42d1-e946-41c9-a525-8442681a358a}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\Version\ = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\0\win32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\0 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ = "ISpadeCast" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\ = "{11CA42D1-E946-41C9-A525-8442681A358A}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\InprocServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\InprocServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\Version C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\ = "{11CA42D1-E946-41C9-A525-8442681A358A}" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\ = "SpadeCastIEClientLib" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\FLAGS\ = "0" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\TypeLib\Version = "1.0" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\HELPDIR C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11CA42D1-E946-41C9-A525-8442681A358A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ed381eb3-45e2-4e12-89eb-be974b15da44}\ = "SpadeCast 1.0.0.6" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E5C6E8-4396-4221-896E-57828740C14D}\ProxyStubClsid32 C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 712 wrote to memory of 4664 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 712 wrote to memory of 4664 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 712 wrote to memory of 4664 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\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\0af2ff66602526da35311858090a45a4_JaffaCakes118.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 g.bing.com udp

Files

N/A