Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/09/2026, 01:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_a104663ed3617113614994049177ecb9c090afdcaeabee98cfc10c7c81e8a393.dll
Resource
win10v2004-20260911-en
4 signatures
150 seconds
General
- Target jaffacakes118_a104663ed3617113614994049177ecb9c090afdcaeabee98cfc10c7c81e8a393.dll
- Size 252KB
- Sample260924-ccptvsbf65
- SHA256 a104663ed3617113614994049177ecb9c090afdcaeabee98cfc10c7c81e8a393
- MD5 3b137f256791562c5b52441ff0de361d
- SHA1 a7a1ae2886732181563ae7d5f6e8ca2ad484545a
- SHA512 9862db93af35c3bf618e9e88653fc348bcff65d1898b4848fa262718f9b92aaa5edc96a1dcaf1e211cca033e662de13b42be34edffef0be00ba50e502af7081b
- SSDEEP 3072:ay/uZg6pHyoulbSX9lF2KAsryqbS5Q3GooHmyMr/GZbLiCrR7Xal1iVCH08O:kd5ulbCRdS5eGjMsbrR7Vv8
- TLSH T158448D0035D2C3BDC4A60A7A4837A738C6B77E10172699FB6BF43CA959357D29B32385
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Installs/modifies Browser Helper Object 2 TTPs 2 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\{C83829DC-9A95-4923-9833-060CF209A1BF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C83829DC-9A95-4923-9833-060CF209A1BF}\1 = "2" 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 - Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C83829DC-9A95-4923-9833-060CF209A1BF}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_a104663ed3617113614994049177ecb9c090afdcaeabee98cfc10c7c81e8a393.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C83829DC-9A95-4923-9833-060CF209A1BF}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C83829DC-9A95-4923-9833-060CF209A1BF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C83829DC-9A95-4923-9833-060CF209A1BF}\ = "ie-improver" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C83829DC-9A95-4923-9833-060CF209A1BF}\InProcServer32 regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 8 wrote to memory of 5564 8 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a104663ed3617113614994049177ecb9c090afdcaeabee98cfc10c7c81e8a393.dll1⤵
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a104663ed3617113614994049177ecb9c090afdcaeabee98cfc10c7c81e8a393.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:5564
-