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Analysis
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max time kernel
169s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2022, 18:00
Static task
static1
Behavioral task
behavioral1
Sample
primedice.exe
Resource
win7-20220901-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
primedice.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
15 signatures
150 seconds
General
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Target
primedice.exe
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Size
1.6MB
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MD5
afb4e06fdf04d43f1331695e5692f659
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SHA1
2bb3cbe20610041edd5dd6ae02fc1a60f990d18c
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SHA256
86b4e3e757c3c876813a5fba306a9e39986d2e542e2c3056aeb7a665bb2a1d4f
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SHA512
145d5ac1956ff08c5bc33086e0ebb5c25707a1b8e57d28ce0f77f5d31b040fc0771c1c129581e47809d66e978a9afab8d64e655b472b33e8c456c728a278641f
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SSDEEP
12288:fh/2h8jPhUexyAAn1L7Om7mii8073siQHyg5PnKWeD3rA0y:Z/0Q5UL1LTKQ0bYRcbrA
Score
10/10
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation primedice.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Cps = "C:\\Users\\Admin\\AppData\\Roaming\\Win Cps\\Win Cps.exe" primedice.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini primedice.exe File opened for modification C:\Windows\assembly\Desktop.ini primedice.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5080 set thread context of 4896 5080 primedice.exe 84 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly primedice.exe File created C:\Windows\assembly\Desktop.ini primedice.exe File opened for modification C:\Windows\assembly\Desktop.ini primedice.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 Taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A Taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName Taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5080 primedice.exe 5080 primedice.exe 4896 primedice.exe 4896 primedice.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 1820 Taskmgr.exe 5080 primedice.exe 5080 primedice.exe 1820 Taskmgr.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 1820 Taskmgr.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 1820 Taskmgr.exe 5080 primedice.exe 5080 primedice.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 5080 primedice.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 4896 primedice.exe 1820 Taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 5080 primedice.exe Token: SeDebugPrivilege 4896 primedice.exe Token: SeDebugPrivilege 1820 Taskmgr.exe Token: SeSystemProfilePrivilege 1820 Taskmgr.exe Token: SeCreateGlobalPrivilege 1820 Taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe 1820 Taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4896 primedice.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 5080 wrote to memory of 4896 5080 primedice.exe 84 PID 4896 wrote to memory of 1820 4896 primedice.exe 85 PID 4896 wrote to memory of 1820 4896 primedice.exe 85 PID 4896 wrote to memory of 1820 4896 primedice.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\primedice.exe"C:\Users\Admin\AppData\Local\Temp\primedice.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\primedice.exe"C:\Users\Admin\AppData\Local\Temp\primedice.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\Taskmgr.exe"C:\Windows\System32\Taskmgr.exe"3⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1820
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