Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-06-2024 13:16
Behavioral task
behavioral1
Sample
0252fca26eb68158d368567026880343_JaffaCakes118.exe
Resource
win7-20240508-en
General
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Target
0252fca26eb68158d368567026880343_JaffaCakes118.exe
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Size
373KB
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MD5
0252fca26eb68158d368567026880343
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SHA1
e46537ab3bbf1c8cbec5e363002a456e503afe75
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SHA256
4b9c61fa848816cfbce8f37df123cef7d797f90a9611fb3a973f389a6c46964e
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SHA512
ed286a83849a46f754a4ce9fe5947e7f5bbdd7d80c0e123d1b4264da27ff227a894d275cc8ffe155d4b8e876fd42cbcca0c4bcfcde99ef94fd830915e07a3fdd
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SSDEEP
6144:Tb5kM1JxYidoMWeEaPletfWWSvOhjuwpkoSbe0n/kCry6Ohk4bRdxTjgOCI9D:T5VPorl0kl3qO9fCoSbNn/k+BK+4
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0007000000015d83-6.dat acprotect -
Deletes itself 1 IoCs
pid Process 2700 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 2244 0252fca26eb68158d368567026880343_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2244-0-0x0000000000400000-0x00000000004E3000-memory.dmp upx behavioral1/files/0x0007000000015d83-6.dat upx behavioral1/memory/2244-17-0x0000000000400000-0x00000000004E3000-memory.dmp upx behavioral1/memory/2244-14-0x0000000001FA0000-0x0000000002027000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 5 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 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} 0252fca26eb68158d368567026880343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B3CDCA87-9BCA-4756-AF3E-BD7D17C4F69A} 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 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 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 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2244 wrote to memory of 2700 2244 0252fca26eb68158d368567026880343_JaffaCakes118.exe 28 PID 2244 wrote to memory of 2700 2244 0252fca26eb68158d368567026880343_JaffaCakes118.exe 28 PID 2244 wrote to memory of 2700 2244 0252fca26eb68158d368567026880343_JaffaCakes118.exe 28 PID 2244 wrote to memory of 2700 2244 0252fca26eb68158d368567026880343_JaffaCakes118.exe 28
Processes
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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:2244 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\_delme.bat2⤵
- Deletes itself
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
212B
MD55b33305666b90e4b9a8b7b834797e8f2
SHA179aa6d723af547a2514dcd7d2136ad84ed787c7c
SHA256e3a4dec6eba3f105f5099151d453851c24cc6e8975e2125d5400ac414fc0ab58
SHA512f6446d893bc7d63b318782c5b54902bdbde8881ccf5fab800aab60f276c829260e80181dedac8a51c6873350fa022d9286624b39672190755720e6761847c043
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Filesize
200KB
MD5a27846392dc10a7c5c5cde6406236bfe
SHA1759f5fcb7ec5c617969f55c6a68e8efb506eabd8
SHA25611add83d3b4a164ad5e51c26902d0a0e015f0f65b4f4f93988939632f706ad8d
SHA512edaf420a4cd6804d3f424a282bd00df40ef4d15d34700bf0221b94f7e4c6193944295163365cec2e2114009a4f6044fa0962d3b25ee8fc8949a268c4d5ea8f5c