Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 15:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
-
Target
f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll
-
Size
306KB
-
MD5
f16e4003d8b3fd6ac4ebfc5fa1827bee
-
SHA1
6df2c79cd09b88f7709da6d1166f9fa3b7051580
-
SHA256
6a9af334250406bb27c3fb6943c7bbd3ae5bb47c93d67fef172cfc7d06bb5a12
-
SHA512
768ab171543b47f5794cf095d611552c9ad6ecfe8bfd33a1ea77c08ceea1f319c4216bf8e9aa29d1948904a87a89f12a3c6c0f81f6aef014c8041d5355dbb789
-
SSDEEP
6144:ngfPDQhaD9h4NTbazcPFqR5Ayvm4TB/CUUzhSnB:ngfPDQUhGSzcP6fvm4T1CUUza
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\{33f83b95-75f5-1fd2-b88f-4d709561a8df} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{33f83b95-75f5-1fd2-b88f-4d709561a8df}\NoExplorer = "\"\"" regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33f83b95-75f5-1fd2-b88f-4d709561a8df}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33f83b95-75f5-1fd2-b88f-4d709561a8df}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33f83b95-75f5-1fd2-b88f-4d709561a8df} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33f83b95-75f5-1fd2-b88f-4d709561a8df}\ = "adzgalore" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33f83b95-75f5-1fd2-b88f-4d709561a8df}\InProcServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2980 2504 regsvr32.exe 88 PID 2504 wrote to memory of 2980 2504 regsvr32.exe 88 PID 2504 wrote to memory of 2980 2504 regsvr32.exe 88
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2980
-