Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 08:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5.dll
Resource
win10v2004-20260911-en
6 signatures
150 seconds
General
- Target jaffacakes118_3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5.dll
- Size 88KB
- Sample261002-j4shdsde67
- SHA256 3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5
- MD5 672e4411521ed4038b0346b9e32c2901
- SHA1 03919b26be077d83ed9ad13464dfc94116b04664
- SHA512 2ddf921637566a4299d49dafe5c66a72ecd758a199c8982d9971119a266ead5b7baa1e1dce06c122963936c2e9d3aac810bbd0265f82ef0c823e092f7f882760
- SSDEEP 1536:/h3w4+2GYKskhhW1mFp1KIq3HHMsIgvyx1EJf8lM:JgxzYhkJsMPZx1EJf8lM
- TLSH T116937C1132E1C2B5D19A00395D959B67A7BAFD108EF0C8437F6A374EAF356C19A39307
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 6 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\{0E234239-88FF-11D2-8446-D7234234421F} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0E234239-88FF-11D2-8446-D7234234421F} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects regsvr32.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 regsvr32.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main regsvr32.exe - Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "about:blank" regsvr32.exe - Modifies registry class 21 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\Typelib\ = "{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\Typelib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\TypeLib\ = "{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E1B286C-88FF-11D2-8D96-D7ACAC95951F}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0E234238-88FF-11D2-8446-D7234234421F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E234239-88FF-11D2-8446-D7234234421F}\InprocServer32 regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 560 wrote to memory of 1536 560 regsvr32.exe 91
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5.dll1⤵
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_3311db8ab9c5b808c817d0970694c949317fdf53494ed0085c98da6983d78cc5.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
PID:1536
-