Analysis
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max time kernel
130s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2023 00:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
472dee804e1f00a9ebd90211eaa5d980.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
472dee804e1f00a9ebd90211eaa5d980.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
472dee804e1f00a9ebd90211eaa5d980.exe
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Size
148KB
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MD5
472dee804e1f00a9ebd90211eaa5d980
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SHA1
8706a30dd2b314ff0c762acb30cb51e1a30c4e2e
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SHA256
c307d11a46fc145b906ff57c1fdad9b033a4b21ca969fad428f1a7ea1dd12768
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SHA512
a89724c738bbf0baafba82e20c89f689ca5247fed307f68aaafd3bd88a270c2d0e3200b65d28a1a5d6597e26734be8d2e4bdc19a45b41cbcc9dec1a54f70a0d0
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SSDEEP
1536:ho9LtOf4BlqPAKfxnX+PBcRlouQvSPouXZ6D6Jj5wl+dwCMZUbP732YhxYAZxZC7:uzKalqPpR+Pco6ouZ68Kl+dnMZUba7
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 472dee804e1f00a9ebd90211eaa5d980.exe Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kiuzao.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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 472dee804e1f00a9ebd90211eaa5d980.exe -
Executes dropped EXE 1 IoCs
pid Process 4348 kiuzao.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /g" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /x" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /l" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /k" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /v" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /q" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /e" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /d" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /n" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /i" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /j" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /a" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /s" 472dee804e1f00a9ebd90211eaa5d980.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /w" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /f" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /o" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /s" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /u" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /h" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /r" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /p" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /c" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /z" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /y" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /b" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /t" kiuzao.exe Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiuzao = "C:\\Users\\Admin\\kiuzao.exe /m" kiuzao.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3600 472dee804e1f00a9ebd90211eaa5d980.exe 3600 472dee804e1f00a9ebd90211eaa5d980.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe 4348 kiuzao.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3600 472dee804e1f00a9ebd90211eaa5d980.exe 4348 kiuzao.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3600 wrote to memory of 4348 3600 472dee804e1f00a9ebd90211eaa5d980.exe 91 PID 3600 wrote to memory of 4348 3600 472dee804e1f00a9ebd90211eaa5d980.exe 91 PID 3600 wrote to memory of 4348 3600 472dee804e1f00a9ebd90211eaa5d980.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\472dee804e1f00a9ebd90211eaa5d980.exe"C:\Users\Admin\AppData\Local\Temp\472dee804e1f00a9ebd90211eaa5d980.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:3600 -
C:\Users\Admin\kiuzao.exe"C:\Users\Admin\kiuzao.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:4348
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
148KB
MD5c8b20d233d8d370afcde786c60a38f6a
SHA1c40924a4c02f0ed625382253284bab0cb13e00f0
SHA25643eedb4ca4d4d69095e71f24f0b62fe25ad96285edf09b53b7cb1bd43d730fb7
SHA512d98716e343825aa0fb39a392016566c8a89d29c99b5c51992af05071eff8079517b827010d3c77cea104e12efb316d6844372cbf649af59cc3a447bbd86ac9c2