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Analysis
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max time kernel
149s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:29
Static task
static1
Behavioral task
behavioral1
Sample
6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe
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Size
280KB
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MD5
a6593f29ef7b4953dc43b50f1e3c145c
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SHA1
669be91b5694caa745c49c3efbc020aa4d11b8c2
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SHA256
6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2
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SHA512
e8b02cd600a6442f86c5bade399c63aaa6ea85e568b805682d1aa4889df492bec0d5f774dbb680f9616315df0b8e4f5db8a60b295a6b73a99ab4d9ba530b0a47
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SSDEEP
6144:9lqk0GazmqAJHOlb4nDlClsfbLEaEAioyLwKds23efHXkD5D5QSqTsHwOjD:6kdazmqAJHOlb4nDYlibLEaEAioyLwKr
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zauran.exe -
Executes dropped EXE 1 IoCs
pid Process 1232 zauran.exe -
Loads dropped DLL 2 IoCs
pid Process 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /t" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /d" zauran.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /k" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /j" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /f" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /o" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /z" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /i" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /u" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /w" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /e" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /m" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /c" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /r" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /l" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /y" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /g" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /p" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /v" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /n" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /a" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /s" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /x" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /h" zauran.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /q" zauran.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /i" 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauran = "C:\\Users\\Admin\\zauran.exe /b" zauran.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 zauran.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 zauran.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.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 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe 1232 zauran.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 1232 zauran.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1364 wrote to memory of 1232 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 26 PID 1364 wrote to memory of 1232 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 26 PID 1364 wrote to memory of 1232 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 26 PID 1364 wrote to memory of 1232 1364 6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe"C:\Users\Admin\AppData\Local\Temp\6468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\zauran.exe"C:\Users\Admin\zauran.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:1232
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
280KB
MD5a6593f29ef7b4953dc43b50f1e3c145c
SHA1669be91b5694caa745c49c3efbc020aa4d11b8c2
SHA2566468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2
SHA512e8b02cd600a6442f86c5bade399c63aaa6ea85e568b805682d1aa4889df492bec0d5f774dbb680f9616315df0b8e4f5db8a60b295a6b73a99ab4d9ba530b0a47
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Filesize
280KB
MD5a6593f29ef7b4953dc43b50f1e3c145c
SHA1669be91b5694caa745c49c3efbc020aa4d11b8c2
SHA2566468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2
SHA512e8b02cd600a6442f86c5bade399c63aaa6ea85e568b805682d1aa4889df492bec0d5f774dbb680f9616315df0b8e4f5db8a60b295a6b73a99ab4d9ba530b0a47
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Filesize
280KB
MD5a6593f29ef7b4953dc43b50f1e3c145c
SHA1669be91b5694caa745c49c3efbc020aa4d11b8c2
SHA2566468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2
SHA512e8b02cd600a6442f86c5bade399c63aaa6ea85e568b805682d1aa4889df492bec0d5f774dbb680f9616315df0b8e4f5db8a60b295a6b73a99ab4d9ba530b0a47
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Filesize
280KB
MD5a6593f29ef7b4953dc43b50f1e3c145c
SHA1669be91b5694caa745c49c3efbc020aa4d11b8c2
SHA2566468e9fb8c55d35ba2e5d932cd5126da27551c3bfb8896b215cedbba186807d2
SHA512e8b02cd600a6442f86c5bade399c63aaa6ea85e568b805682d1aa4889df492bec0d5f774dbb680f9616315df0b8e4f5db8a60b295a6b73a99ab4d9ba530b0a47