Analysis
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max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 11:34
Static task
static1
Behavioral task
behavioral1
Sample
132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe
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Size
8KB
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MD5
132feadce0b31aa930c607478e3922a1
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SHA1
b0b11f5f71b4ddc1f9aab33f07edc0a10bfd0cc9
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SHA256
c5e9b4336c6e023c45a5e17dc0d3f92c74dc0ff06ded18be44efe80b20a71616
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SHA512
aa79a9ddcd2219cbef366a0bea9e10b71ab8c331050f1d1d75baf39da738647c7a2229ab5c6c6cf922a4680dd98955352e1b4cbc49e5977ca7bbba6c1533e429
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SSDEEP
192:q4PwzaLI3H6k3niwBufEn+7DetH+Z+vsYJRI9szkrap:jQ6w3ninMn+7IH+ZWfQY
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmcn = "C:\\Users\\Admin\\AppData\\Local\\Temp\\stkoks.exe" 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\stkoks.dll 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe File created C:\Windows\SysWOW64\stkoks.dll 132feadce0b31aa930c607478e3922a1_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 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3496 wrote to memory of 3508 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe 56 PID 3496 wrote to memory of 1436 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe 82 PID 3496 wrote to memory of 1436 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe 82 PID 3496 wrote to memory of 1436 3496 132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe 82
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3508
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C:\Users\Admin\AppData\Local\Temp\132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\132feadce0b31aa930c607478e3922a1_JaffaCakes118.exe"3⤵
- System Location Discovery: System Language Discovery
PID:1436
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