Analysis
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max time kernel
140s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 02:00
Static task
static1
Behavioral task
behavioral1
Sample
8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe
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Size
374KB
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MD5
8e973b1995b1e62408bcbde5697b7b28
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SHA1
61b4b0dc41a466f22b8ba73cdfe76cd9207cf65c
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SHA256
0cd03a73a368df60386f9d5d5f2511c2ead65f0488fde89f5184083a4fbf5885
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SHA512
bb6351cf07033a7c5b13abf69b9eba4cde7eb667f408443a1d75a551571d23ffaa9d7d9273992d1cc611c365cfaca0dd521389e1a757ba7e13d083b8b839f94e
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SSDEEP
6144:avKiChkNUvfrcWeGP2zxcSNtIS1QALjwMD2FPehbF52xE+yEylkml:MPNkfrcWB2zKWRLjzF2E+Tyh
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSNGS = "Rundll32.exe C:\\Windows\\msmsgs.txt,ini" 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\iexplorer.txt 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32\ = "C:\\Windows\\iexplorer.txt" 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32\ThreadingModel = "Apartment" 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe -
System policy modification 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe"1⤵
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Installs/modifies Browser Helper Object
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- System policy modification
PID:3612
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Browser Extensions
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4