Analysis
- max time kernel
62s - max time network
53s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system - submitted
28/04/2024, 01:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe
Resource
win7-20240221-en
4 signatures
150 seconds
General
- Target 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe
- Size 68KB
- Sample240428-cacrhsde87
- SHA256 652dd259039f5d3af129df1b900ab0918e95195712e184bd3269277693d9e770
- MD5 041caa75db9da261ef4b1a2e8b1f95a2
- SHA1 62543fc1171dcef2fe9d356f36cb9edb4beea08e
- SHA512 a8cd6f9c927e1813f5cbf63b182f9869c7f7a7d46b20bf9b6d990178d252cdc35f8957398726c4954c98831c42fd8380d1eded5e361e77b0acd9979b60369926
- SSDEEP 1536:6oql/mQR0xExAqsVMqFVaQbcuJ8DiGOpBl5+VLownAASTbQNi:hgrtIyegDa+VMwAAYbMi
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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\{1AB1F65A-964F-4AE7-B254-05146A0E602E} 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe - Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files\Internet Explorer\PLUGINS\WinSys16.Sys 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe File created C:\Program Files\Internet Explorer\PLUGINS\SysWin16.Jmp 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe File created C:\Program Files\Internet Explorer\PLUGINS\SysWin16.Jmp 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe - Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1AB1F65A-964F-4AE7-B254-05146A0E602E} 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1AB1F65A-964F-4AE7-B254-05146A0E602E}\ 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1AB1F65A-964F-4AE7-B254-05146A0E602E}\InProcServer32 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1AB1F65A-964F-4AE7-B254-05146A0E602E}\InProcServer32\ = "C:\\Program Files\\Internet Explorer\\PLUGINS\\WinSys16.Sys" 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1AB1F65A-964F-4AE7-B254-05146A0E602E}\InProcServer32\ThreadingModel = "Apartment" 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1064 wrote to memory of 1276 1064 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe 83 PID 1064 wrote to memory of 1276 1064 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe 83 PID 1064 wrote to memory of 1276 1064 041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Local\Temp\041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\041caa75db9da261ef4b1a2e8b1f95a2_JaffaCakes118.exe" Z2⤵
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies registry class
PID:1276
-