Analysis
-
max time kernel
125s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-06-2024 13:16
Behavioral task
behavioral1
Sample
0252fca26eb68158d368567026880343_JaffaCakes118.exe
Resource
win7-20240508-en
General
-
Target
0252fca26eb68158d368567026880343_JaffaCakes118.exe
-
Size
373KB
-
MD5
0252fca26eb68158d368567026880343
-
SHA1
e46537ab3bbf1c8cbec5e363002a456e503afe75
-
SHA256
4b9c61fa848816cfbce8f37df123cef7d797f90a9611fb3a973f389a6c46964e
-
SHA512
ed286a83849a46f754a4ce9fe5947e7f5bbdd7d80c0e123d1b4264da27ff227a894d275cc8ffe155d4b8e876fd42cbcca0c4bcfcde99ef94fd830915e07a3fdd
-
SSDEEP
6144:Tb5kM1JxYidoMWeEaPletfWWSvOhjuwpkoSbe0n/kCry6Ohk4bRdxTjgOCI9D:T5VPorl0kl3qO9fCoSbNn/k+BK+4
Malware Config
Signatures
-
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000700000002359e-6.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 348 0252fca26eb68158d368567026880343_JaffaCakes118.exe 348 0252fca26eb68158d368567026880343_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/348-0-0x0000000000400000-0x00000000004E3000-memory.dmp upx behavioral2/files/0x000700000002359e-6.dat upx behavioral2/memory/348-13-0x0000000002430000-0x00000000024B7000-memory.dmp upx behavioral2/memory/348-15-0x0000000000400000-0x00000000004E3000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects 0252fca26eb68158d368567026880343_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\FG2Catch1.dll 0252fca26eb68158d368567026880343_JaffaCakes118.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A}\InprocServer32\ = "C:\\Windows\\SysWow64\\FG2Catch1.dll" 0252fca26eb68158d368567026880343_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A}\InprocServer32\ThreadingModel = "Apartment" 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A}\ = "FCatchurl" 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A}\InprocServer32 0252fca26eb68158d368567026880343_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 348 wrote to memory of 5052 348 0252fca26eb68158d368567026880343_JaffaCakes118.exe 88 PID 348 wrote to memory of 5052 348 0252fca26eb68158d368567026880343_JaffaCakes118.exe 88 PID 348 wrote to memory of 5052 348 0252fca26eb68158d368567026880343_JaffaCakes118.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\0252fca26eb68158d368567026880343_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0252fca26eb68158d368567026880343_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:348 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\_delme.bat2⤵PID:5052
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3764,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:81⤵PID:676
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
212B
MD55b33305666b90e4b9a8b7b834797e8f2
SHA179aa6d723af547a2514dcd7d2136ad84ed787c7c
SHA256e3a4dec6eba3f105f5099151d453851c24cc6e8975e2125d5400ac414fc0ab58
SHA512f6446d893bc7d63b318782c5b54902bdbde8881ccf5fab800aab60f276c829260e80181dedac8a51c6873350fa022d9286624b39672190755720e6761847c043
-
Filesize
200KB
MD5a27846392dc10a7c5c5cde6406236bfe
SHA1759f5fcb7ec5c617969f55c6a68e8efb506eabd8
SHA25611add83d3b4a164ad5e51c26902d0a0e015f0f65b4f4f93988939632f706ad8d
SHA512edaf420a4cd6804d3f424a282bd00df40ef4d15d34700bf0221b94f7e4c6193944295163365cec2e2114009a4f6044fa0962d3b25ee8fc8949a268c4d5ea8f5c