Analysis
- max time kernel
140s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
16/10/2024, 16:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe
Resource
win7-20240903-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe
Resource
win10v2004-20241007-en
7 signatures
150 seconds
General
- Target 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe
- Size 404KB
- Sample241016-vesmmsvaqj
- SHA256 daf00e22a195c405285d299693b49928590c977fc64eca46a85f173f1d3e5e09
- MD5 4df721c62c770c4439b7cafb1013c58e
- SHA1 5ce1767de974fb164143147a36d8b09920ad26f0
- SHA512 bbdcd6d2c2d50eec44555a3bd73e6c36e712888e9faf4e9396042dc5ec5e59e6e38635ea99cdfb080b819db3f5ded585c29fc8b7dcfae00c73f0403d9540287f
- SSDEEP 6144:/NF0u6ruXDJEbOdqjciXPAx+x/nR2JEsLjhyIlTgYjFEEvlrKzvJSaZivHHY6:/30zr8DJEbOIYMXsLfiswzBSaZivnF
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Boot or Logon Autostart Execution: Print Processors 1 TTPs 2 IoCs
Adversaries may abuse print processors to run malicious DLLs during system boot for persistence and/or privilege escalation.
description ioc Process File opened for modification C:\Windows\system32\spool\PRTPROCS\x64\86A0.tmp 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe File opened for modification C:\Windows\system32\spool\PRTPROCS\x64\86C1.tmp 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe - Loads dropped DLL 3 IoCs
pid Process 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe 3944 regsvr32.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 regsvr32.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system32\spool\PRTPROCS\x64\86A0.tmp 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe File opened for modification C:\Windows\system32\spool\PRTPROCS\x64\86C1.tmp 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3024 wrote to memory of 3944 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe 87 PID 3024 wrote to memory of 3944 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe 87 PID 3024 wrote to memory of 3944 3024 4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4df721c62c770c4439b7cafb1013c58e_JaffaCakes118.exe"1⤵
- Boot or Logon Autostart Execution: Print Processors
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\7EBE.tmp2⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
PID:3944
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\86C0.tmp
- Size 404KB
- SHA256 e182f079073d463de24be2177e23cda17089b86a213b603cd5616472ffc11687
- MD5 d24652f9332759578a9920f5430daf49
- SHA1 3e5153fa9e08199e5e3fd7589f865caab0fb65c8
- SHA512 590addb4209da61770d800d0b14144af343968a2fff4c6192ba6f44616b0991f949f61f9c6eb661ed636017b8ddb558b3ee02acf8b1af1afe78a1573ce8e4d69
- SSDEEP 6144:fNF0u6ruXDJEbOdqjciXPAx+x/nR2JEsLjhyIlTgYjFEEvlrKzvJSaZivHHY6:f30zr8DJEbOIYMXsLfiswzBSaZivnF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\spool\prtprocs\x64\86A0.tmp
- Size 344KB
- SHA256 f1329000161c29f87626fe9982df64f72ddf8d9ea081f3958943686986c29bf2
- MD5 d70db5f5d721fb240560f12aa84176e5
- SHA1 8cb0a47efe965cbbd903c35ae7ddfdcf71c36be1
- SHA512 d3b3cfd762fd17d940232f259338d547dbf28b0e14000f8b0b99955636445037fccd29200cad36b629bcd4a0e7e4d963690d62e91b7c31c5c67bcc3cfa92a8aa
- SSDEEP 6144:GtF0u6Riane+7DOkINqjBSJ+46XgGzsyN8nPvUZ2IuCQah3TLSYNJaF:GX0zRfxIKSJ+46Xg3I8PD9m1NI
- MD5 SHA1 SHA512 SSDEEP