Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2022, 00:16
Static task
static1
Behavioral task
behavioral1
Sample
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe
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Size
196KB
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MD5
27344188ab6d789d67ba4e51f628860d
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SHA1
6f4e76ce9bfd6a47bc5dc5bd50dff3f8578b6567
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SHA256
aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f
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SHA512
1291ce5fcf559dd6f26ab05997f03a0d2a6d1a78dcaace14e4125186cf213c037badeeb83437d1e994d0b393b025ccdf560033c7de45a22320ccf5b6ab56e26d
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SSDEEP
6144:FV4K16oTJWvfU4+bOl8femcK/fObT/bGimszUf7Wq3o:FAoTMvs4+bOlNK/fObT/bGipE7Ro
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gpfeek.exe -
Executes dropped EXE 1 IoCs
pid Process 3336 gpfeek.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /W" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /p" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /U" gpfeek.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /i" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /h" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /D" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /Y" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /V" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /Z" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /I" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /G" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /B" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /m" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /g" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /d" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /Q" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /O" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /R" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /S" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /A" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /o" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /r" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /s" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /F" gpfeek.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /n" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /J" aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /L" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /E" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /c" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /N" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /K" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /y" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /k" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /b" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /q" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /H" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /l" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /w" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /T" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /e" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /f" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /C" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /P" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /X" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /u" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /x" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /j" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /t" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /J" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /z" gpfeek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gpfeek = "C:\\Users\\Admin\\gpfeek.exe /M" gpfeek.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 1324 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 1324 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe 3336 gpfeek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1324 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 3336 gpfeek.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1324 wrote to memory of 3336 1324 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 85 PID 1324 wrote to memory of 3336 1324 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 85 PID 1324 wrote to memory of 3336 1324 aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.exe"C:\Users\Admin\AppData\Local\Temp\aa21d31c55ea2bb45b16bcca01c97f537adc17d65bb85cc0e0ae32614bfb0b4f.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:1324 -
C:\Users\Admin\gpfeek.exe"C:\Users\Admin\gpfeek.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:3336
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
196KB
MD5316ac0e30465d153d0959b1ebd2a94fc
SHA1072cc358bd67dc6c3dedf1fba0f79dfa58037a8f
SHA256f761e149cdf586b1c97bc416bf74bf0840aeb352177fb0bbda6363957b2c3f3b
SHA5129f7171b8f25eaa9d5067612a215a0117e118343745b282d67e84674e51c5d4922bcd01c35b7676653af7d1a3ec561f52c97c1bd38cbed184a86711dc38fd68cd
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Filesize
196KB
MD5316ac0e30465d153d0959b1ebd2a94fc
SHA1072cc358bd67dc6c3dedf1fba0f79dfa58037a8f
SHA256f761e149cdf586b1c97bc416bf74bf0840aeb352177fb0bbda6363957b2c3f3b
SHA5129f7171b8f25eaa9d5067612a215a0117e118343745b282d67e84674e51c5d4922bcd01c35b7676653af7d1a3ec561f52c97c1bd38cbed184a86711dc38fd68cd