Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28-10-2022 18:26
Static task
static1
Behavioral task
behavioral1
Sample
f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe
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Size
268KB
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MD5
07047ca2350502c4821373880d368610
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SHA1
1e6c441bc0d416186ac5cfa486422870d6d788e9
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SHA256
f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889
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SHA512
ba2c1087740079d0d5d2ac91d57eed2189f5764a44ebf71d2b89b7d16c3096aa9e2161aa8ae4c0cb7d2dc3db3b57d422ca35f8fdf4f71ee218aeb45fca6e0ae6
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SSDEEP
3072:1wuaPwh0xpuneIl6BjNlgnCW5tweOmJViklsKsJ5lB0e5/NhYrx5X7rZ60k7fJ:1wPI8anCWcilu5lB08PY7X7rZ6p
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" diusii.exe -
Executes dropped EXE 1 IoCs
pid Process 4596 diusii.exe -
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /f" diusii.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ diusii.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /j" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /t" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /n" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /u" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /a" f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /i" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /b" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /x" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /o" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /c" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /z" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /w" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /v" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /e" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /r" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /p" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /l" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /g" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /y" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /a" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /d" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /h" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /m" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /q" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /s" diusii.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\diusii = "C:\\Users\\Admin\\diusii.exe /k" diusii.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum diusii.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 diusii.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4940 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe 4940 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe 4596 diusii.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4940 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe 4596 diusii.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4940 wrote to memory of 4596 4940 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe 82 PID 4940 wrote to memory of 4596 4940 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe 82 PID 4940 wrote to memory of 4596 4940 f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe"C:\Users\Admin\AppData\Local\Temp\f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Users\Admin\diusii.exe"C:\Users\Admin\diusii.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4596
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2256
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
268KB
MD507047ca2350502c4821373880d368610
SHA11e6c441bc0d416186ac5cfa486422870d6d788e9
SHA256f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889
SHA512ba2c1087740079d0d5d2ac91d57eed2189f5764a44ebf71d2b89b7d16c3096aa9e2161aa8ae4c0cb7d2dc3db3b57d422ca35f8fdf4f71ee218aeb45fca6e0ae6
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Filesize
268KB
MD507047ca2350502c4821373880d368610
SHA11e6c441bc0d416186ac5cfa486422870d6d788e9
SHA256f33fb0e13e31b638b4ecd393b0bf6334ebf3c8ddcabb9ee4d0cfb2670ef03889
SHA512ba2c1087740079d0d5d2ac91d57eed2189f5764a44ebf71d2b89b7d16c3096aa9e2161aa8ae4c0cb7d2dc3db3b57d422ca35f8fdf4f71ee218aeb45fca6e0ae6