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Analysis
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max time kernel
151s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 16:38
Static task
static1
Behavioral task
behavioral1
Sample
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe
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Size
236KB
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MD5
bac33ce6e5d69f42eea788f6707223ac
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SHA1
36a706324a76bbcf4a1933219ac2bd1ade09f888
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SHA256
6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097
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SHA512
e72a72142786c75c220974becd80f9a3853234214874a7b4ae494e623716aac0f1a817a9040bd63de178999c255e09b8e710fbb2125622f536e796a58195a9a3
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SSDEEP
3072:V6VlhsJ0Z2svyMZeIT51B8u0gWCyiHCUPqgvs:jSZ2uyMwItf8u0gWCyiHCl
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" siezuor.exe -
Executes dropped EXE 1 IoCs
pid Process 5008 siezuor.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /a" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /w" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /z" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /i" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /b" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /j" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /g" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /o" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /r" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /l" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /u" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /t" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /p" siezuor.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /h" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /d" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /c" siezuor.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /q" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /y" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /x" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /y" 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /v" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /n" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /m" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /f" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /e" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /s" siezuor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\siezuor = "C:\\Users\\Admin\\siezuor.exe /k" siezuor.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
pid Process 988 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 988 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe 5008 siezuor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 988 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 5008 siezuor.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 988 wrote to memory of 5008 988 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 80 PID 988 wrote to memory of 5008 988 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 80 PID 988 wrote to memory of 5008 988 6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.exe"C:\Users\Admin\AppData\Local\Temp\6ed754dc985b98511d7e49d93a8c07457e6a5105d4b6c81f3fe6173124ea5097.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:988 -
C:\Users\Admin\siezuor.exe"C:\Users\Admin\siezuor.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:5008
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD583a8e64b007e2bd29935ce7eeeac582d
SHA1ae0089efead569447a2e08077ac0fc17a4e9ec8a
SHA2562fc9c5ae2bc7432b13f9d7d0fd3c5bae1f0604f39a8bd1dd4847e1455fc77219
SHA512ce4bd551bf14784dcd795292e760f0aa316af54de6b3a55ed240676c1790ed54c2ecf908f2f35cf05b59fa2fb8d9102ad2158878bc93a2e210accd0c56ec294d
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Filesize
236KB
MD583a8e64b007e2bd29935ce7eeeac582d
SHA1ae0089efead569447a2e08077ac0fc17a4e9ec8a
SHA2562fc9c5ae2bc7432b13f9d7d0fd3c5bae1f0604f39a8bd1dd4847e1455fc77219
SHA512ce4bd551bf14784dcd795292e760f0aa316af54de6b3a55ed240676c1790ed54c2ecf908f2f35cf05b59fa2fb8d9102ad2158878bc93a2e210accd0c56ec294d