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Analysis
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max time kernel
153s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 14:19
Static task
static1
Behavioral task
behavioral1
Sample
338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe
Resource
win7-20221111-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe
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Size
88KB
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MD5
3bc920804237f0102274d43879196de0
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SHA1
3d8a582c2107118a28e46a8e2706a59d9197124f
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SHA256
338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908
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SHA512
7bf65dd0bf36aee34e591806c350e4ba2a4c18c6aff390924b75c9f030a7059bc4c95bdb360ebf71ccbaaba8cdfe58e1c0391a8c151d674e4d0f09a12347b904
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SSDEEP
1536:VjCw5wIlo3FMWQprwSq3lOTnl9qdgHKa3qGp2iL1S9BfTaosZ8lj:AIOfQprVWYTmG3qGsiL1OBf88lj
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" duixua.exe -
Executes dropped EXE 2 IoCs
pid Process 4780 duixua.exe 4824 duixua.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /o" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /c" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /d" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /n" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /b" duixua.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /z" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /u" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /a" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /m" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /y" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /g" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /q" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /r" duixua.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /e" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /l" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /s" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /t" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /j" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /i" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /w" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /k" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /h" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /p" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /k" 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /x" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /f" duixua.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\duixua = "C:\\Users\\Admin\\duixua.exe /v" duixua.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 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum duixua.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 duixua.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf duixua.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4736 set thread context of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4780 set thread context of 4824 4780 duixua.exe 84 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4868 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 4868 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe 4824 duixua.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 4868 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 4780 duixua.exe 4824 duixua.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4736 wrote to memory of 4868 4736 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 80 PID 4868 wrote to memory of 4780 4868 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 83 PID 4868 wrote to memory of 4780 4868 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 83 PID 4868 wrote to memory of 4780 4868 338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe 83 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84 PID 4780 wrote to memory of 4824 4780 duixua.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe"C:\Users\Admin\AppData\Local\Temp\338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Users\Admin\AppData\Local\Temp\338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\duixua.exe"C:\Users\Admin\duixua.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Users\Admin\duixua.exe714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD53bc920804237f0102274d43879196de0
SHA13d8a582c2107118a28e46a8e2706a59d9197124f
SHA256338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908
SHA5127bf65dd0bf36aee34e591806c350e4ba2a4c18c6aff390924b75c9f030a7059bc4c95bdb360ebf71ccbaaba8cdfe58e1c0391a8c151d674e4d0f09a12347b904
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Filesize
88KB
MD53bc920804237f0102274d43879196de0
SHA13d8a582c2107118a28e46a8e2706a59d9197124f
SHA256338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908
SHA5127bf65dd0bf36aee34e591806c350e4ba2a4c18c6aff390924b75c9f030a7059bc4c95bdb360ebf71ccbaaba8cdfe58e1c0391a8c151d674e4d0f09a12347b904
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Filesize
88KB
MD53bc920804237f0102274d43879196de0
SHA13d8a582c2107118a28e46a8e2706a59d9197124f
SHA256338772a06063206d1826ed4a3e7a3fed9a3e5861eaecc8294744f020fedd5908
SHA5127bf65dd0bf36aee34e591806c350e4ba2a4c18c6aff390924b75c9f030a7059bc4c95bdb360ebf71ccbaaba8cdfe58e1c0391a8c151d674e4d0f09a12347b904