Analysis
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max time kernel
144s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 03:12
Static task
static1
Behavioral task
behavioral1
Sample
8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe
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Size
140KB
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MD5
8edbbfe19971cef6b4e9a054571f4d88
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SHA1
cb60f7c5e368257de8a3af69666852353933f41f
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SHA256
3d578bcd5bf2065f98bcaefd3e5319692baf8b1f184c89701c487ea5967bf319
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SHA512
dfda7b11d63a42b19ed04986f5ad29c97253b0c04438880cf3e3404bee45d6e8d720cca6afe2123255a49baf03904c36d13d098e94325f11dc98f6b9f032e120
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SSDEEP
3072:8Y6sGTrWIJKM/PxSpjLFZdPmf/DHFPKV+ROX:gZDYLc/DNKV+Ry
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" msiexec.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\Policies\Explorer\Run msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\5338443 = "C:\\PROGRA~3\\msTHKjrI.exe" msiexec.exe -
Disables taskbar notifications via registry modification
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Deletes itself 1 IoCs
pid Process 1300 msiexec.exe -
Blocklisted process makes network request 7 IoCs
flow pid Process 29 1300 msiexec.exe 30 1300 msiexec.exe 42 1300 msiexec.exe 48 1300 msiexec.exe 66 1300 msiexec.exe 67 1300 msiexec.exe 68 1300 msiexec.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\PROGRA~3\msTHKjrI.exe msiexec.exe File created C:\PROGRA~3\msTHKjrI.exe msiexec.exe File created C:\PROGRA~3\240662078 msiexec.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 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe 1300 msiexec.exe 1300 msiexec.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1300 msiexec.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2984 wrote to memory of 1300 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe 94 PID 2984 wrote to memory of 1300 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe 94 PID 2984 wrote to memory of 1300 2984 8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8edbbfe19971cef6b4e9a054571f4d88_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\system32\msiexec.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Adds policy Run key to start application
- Deletes itself
- Blocklisted process makes network request
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300
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