Analysis
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max time kernel
171s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 17:06
Static task
static1
Behavioral task
behavioral1
Sample
232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe
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Size
204KB
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MD5
823bd0d206868e526c07b2c81818ccc0
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SHA1
ef63c40856b00c81679549246623b6486ade7a17
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SHA256
232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9
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SHA512
8dbe210df7df04ae5df7528b1c47c7b2ae36460993567ad6be32f6ad9ee80f61f8c5e85f98eef45ff4efdb7c545da9d2820df370a922c94cac99d6b7e6cb59e2
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SSDEEP
3072:c0310tQ9nLHbB9W+U1TqEYzR/mkSYGrl9ymgYUWsRm:cw14QxL7B9W+U1RYzR/fSmlTU
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" paoufa.exe -
Executes dropped EXE 1 IoCs
pid Process 3036 paoufa.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /k" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /u" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /i" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /x" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /s" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /h" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /n" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /z" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /r" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /e" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /q" 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /t" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /a" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /f" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /y" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /w" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /q" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /d" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /v" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /l" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /b" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /o" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /j" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /c" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /m" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /p" paoufa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\paoufa = "C:\\Users\\Admin\\paoufa.exe /g" paoufa.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ paoufa.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 2220 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe 2220 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe 3036 paoufa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2220 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe 3036 paoufa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2220 wrote to memory of 3036 2220 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe 79 PID 2220 wrote to memory of 3036 2220 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe 79 PID 2220 wrote to memory of 3036 2220 232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.exe"C:\Users\Admin\AppData\Local\Temp\232b8a1da68ecb51697177a005cbbfad81f627128f74a1a50d89e18458a34bb9.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:2220 -
C:\Users\Admin\paoufa.exe"C:\Users\Admin\paoufa.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:3036
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD5ad72f2f170de1130880e046ab390e893
SHA14627482ee469f8d71c3afeb20994c903584e4dd4
SHA2566bb43b13b9f4a43b8e07eefda775bfa12c90440d4f4f7c0cf0af3664706f255a
SHA512b2eabe55f995790c5be8620ffb5349c9d104de817ae62ac9761439cd6fd3c17c8a76e3502283b4baaf23f7f7dd89e78aac3b8da49716a78f0d256357c3274655
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Filesize
204KB
MD5ad72f2f170de1130880e046ab390e893
SHA14627482ee469f8d71c3afeb20994c903584e4dd4
SHA2566bb43b13b9f4a43b8e07eefda775bfa12c90440d4f4f7c0cf0af3664706f255a
SHA512b2eabe55f995790c5be8620ffb5349c9d104de817ae62ac9761439cd6fd3c17c8a76e3502283b4baaf23f7f7dd89e78aac3b8da49716a78f0d256357c3274655