Analysis
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max time kernel
96s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 00:08
Static task
static1
Behavioral task
behavioral1
Sample
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe
Resource
win10v2004-20220812-en
General
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Target
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe
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Size
224KB
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MD5
276ea683aea51e676f728ab681972cfe
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SHA1
3482a245e220bf80453897ffb9ce36eb77df9272
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SHA256
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925
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SHA512
aa318d01d800f77893471365cb9a9d5f5998dde91583a0b4d9c5fb0b586756170a6167cc5e6db8eca4a5534b20a96943d296378af67fd7e46c8f5948afb984f9
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SSDEEP
1536:z7r/YQsVV5awoIZsh0CF+sKE0C1rZL4H0c2BHtg1/J+iZAb+g9WCyiHC/XRG1iFg:jAQa5MOFCsv/CL0jJMNWCyiHC31psL
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
suaimu.exe272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" suaimu.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe -
Executes dropped EXE 1 IoCs
Processes:
suaimu.exepid process 2240 suaimu.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe -
Adds Run key to start application 2 TTPs 28 IoCs
Processes:
suaimu.exe272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /l" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /p" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /o" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /e" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /q" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /f" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /t" suaimu.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /y" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /k" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /z" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /h" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /u" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /x" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /j" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /i" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /a" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /d" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /r" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /c" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /f" 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /m" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /s" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /n" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /g" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /w" suaimu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suaimu = "C:\\Users\\Admin\\suaimu.exe /v" suaimu.exe -
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
Processes:
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exesuaimu.exepid process 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe 2240 suaimu.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exesuaimu.exepid process 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe 2240 suaimu.exe 2240 suaimu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exedescription pid process target process PID 4232 wrote to memory of 2240 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe suaimu.exe PID 4232 wrote to memory of 2240 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe suaimu.exe PID 4232 wrote to memory of 2240 4232 272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe suaimu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe"C:\Users\Admin\AppData\Local\Temp\272e4215237515acfeb3d6a818660b97e46b85a90fbb8f0404dc4d44e6cda925.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Users\Admin\suaimu.exe"C:\Users\Admin\suaimu.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2240
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD565623952c6a0c8eebbd0b8088e2cf484
SHA1661f0ca08acaadb8dae7eb14506cab967923693c
SHA25656f67b8bada3c69bf3ccedfc5b888d4538b2c34c32ea1304d6c3d6dcb041969c
SHA512662e0c3c90b43afdc4620dbf0fa5a0c5f283d88a647b93dcd4d728f523b456f6caec70f1e0fc777e638c07fe768c60e71230f86d0341de4d2013466899845c09
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Filesize
224KB
MD565623952c6a0c8eebbd0b8088e2cf484
SHA1661f0ca08acaadb8dae7eb14506cab967923693c
SHA25656f67b8bada3c69bf3ccedfc5b888d4538b2c34c32ea1304d6c3d6dcb041969c
SHA512662e0c3c90b43afdc4620dbf0fa5a0c5f283d88a647b93dcd4d728f523b456f6caec70f1e0fc777e638c07fe768c60e71230f86d0341de4d2013466899845c09