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Analysis
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max time kernel
151s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 17:01
Static task
static1
Behavioral task
behavioral1
Sample
cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe
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Size
104KB
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MD5
824d03e3300b4a10b50cd114b4967572
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SHA1
8dca80d35a007df51b75d102a8a2ed93c328f3b9
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SHA256
cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d
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SHA512
ec3bf981ee6db8661d90cdbac8f85ce6a9dbbf74588df16dcc9a7d9d65432449438a2ed0aeae44fbe6620641dd6efdcd9e4d783c7d7fdaedb3ed3af9e0a3338c
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SSDEEP
1536:QvLRvx+u3s+HBchhQKNIqpOcQv0sTEFSocloXjLl03F:Wq+eiKNZJQv0sTNo3m3F
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pueujoq.exe -
Executes dropped EXE 1 IoCs
pid Process 1492 pueujoq.exe -
Loads dropped DLL 2 IoCs
pid Process 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /z" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /z" cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /e" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /r" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /k" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /o" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /d" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /f" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /i" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /g" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /j" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /x" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /c" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /w" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /p" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /s" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /b" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /y" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /u" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /l" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /n" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /h" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /t" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /v" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /m" pueujoq.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /q" pueujoq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pueujoq = "C:\\Users\\Admin\\pueujoq.exe /a" pueujoq.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 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe 1492 pueujoq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 1492 pueujoq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2028 wrote to memory of 1492 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 28 PID 2028 wrote to memory of 1492 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 28 PID 2028 wrote to memory of 1492 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 28 PID 2028 wrote to memory of 1492 2028 cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe"C:\Users\Admin\AppData\Local\Temp\cdb7b7e2b55b61760257a47caecceb9aa032da958a43ac349e43f95542b7286d.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\pueujoq.exe"C:\Users\Admin\pueujoq.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:1492
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
104KB
MD5e19552ef21813a666f541cb7ada9bbd8
SHA1c8eb79134c290c2947a2f9afc9dcbb7886fea01f
SHA256761301b354d7a535e737c5d1591e48aa82ef8fe7ae38b4dee6ee892be8ea7492
SHA5125956f62d7c9a1483a0ddf76fcd84476fd8507b76d0fcf99329a76c2d5af108704d859615dbfb4678ed4291406675aa6c9510e385126d2b3dc94c1e9c206500fd
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Filesize
104KB
MD5e19552ef21813a666f541cb7ada9bbd8
SHA1c8eb79134c290c2947a2f9afc9dcbb7886fea01f
SHA256761301b354d7a535e737c5d1591e48aa82ef8fe7ae38b4dee6ee892be8ea7492
SHA5125956f62d7c9a1483a0ddf76fcd84476fd8507b76d0fcf99329a76c2d5af108704d859615dbfb4678ed4291406675aa6c9510e385126d2b3dc94c1e9c206500fd
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Filesize
104KB
MD5e19552ef21813a666f541cb7ada9bbd8
SHA1c8eb79134c290c2947a2f9afc9dcbb7886fea01f
SHA256761301b354d7a535e737c5d1591e48aa82ef8fe7ae38b4dee6ee892be8ea7492
SHA5125956f62d7c9a1483a0ddf76fcd84476fd8507b76d0fcf99329a76c2d5af108704d859615dbfb4678ed4291406675aa6c9510e385126d2b3dc94c1e9c206500fd
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Filesize
104KB
MD5e19552ef21813a666f541cb7ada9bbd8
SHA1c8eb79134c290c2947a2f9afc9dcbb7886fea01f
SHA256761301b354d7a535e737c5d1591e48aa82ef8fe7ae38b4dee6ee892be8ea7492
SHA5125956f62d7c9a1483a0ddf76fcd84476fd8507b76d0fcf99329a76c2d5af108704d859615dbfb4678ed4291406675aa6c9510e385126d2b3dc94c1e9c206500fd