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Analysis
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max time kernel
151s -
max time network
75s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 00:55
Static task
static1
Behavioral task
behavioral1
Sample
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe
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Size
124KB
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MD5
a3f37683e4cd20fdb3b3a082b76177bc
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SHA1
7b06bbf21a4fcd084f1f44adf8a2964c03a4d86f
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SHA256
3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc
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SHA512
2642a625b77501776900b4c0dbb99b98a95fd65b5ebd0b72a4955917ea500291c5724a184b54572355232131a72191d9f937bce7c65a4fd44d35b8dbdc8757c4
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SSDEEP
1536:GhEphwRzZJXuBxeDtMYHa27J14ltxporZ45icNeG0h9:aEphwRzXkeV6gJ1uCt45O9
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" 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" pffah.exe -
Executes dropped EXE 1 IoCs
pid Process 1176 pffah.exe -
Loads dropped DLL 2 IoCs
pid Process 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /G" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /n" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /x" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /D" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /J" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /H" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /B" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /W" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /U" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /P" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /L" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /X" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /R" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /Z" 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /N" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /m" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /I" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /s" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /w" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /A" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /k" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /T" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /g" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /p" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /i" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /C" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /j" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /e" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /Q" pffah.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /r" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /V" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /u" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /d" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /M" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /F" pffah.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /h" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /Y" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /q" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /f" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /b" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /l" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /y" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /E" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /o" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /a" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /c" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /S" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /O" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /Z" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /t" pffah.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\pffah = "C:\\Users\\Admin\\pffah.exe /z" pffah.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 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe 1176 pffah.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 1176 pffah.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 532 wrote to memory of 1176 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 27 PID 532 wrote to memory of 1176 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 27 PID 532 wrote to memory of 1176 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 27 PID 532 wrote to memory of 1176 532 3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.exe"C:\Users\Admin\AppData\Local\Temp\3a44dbba97e8f0204a64c65981dd875d2788eb7201a1284a18eff891f51654fc.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:532 -
C:\Users\Admin\pffah.exe"C:\Users\Admin\pffah.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:1176
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
124KB
MD5008111e9898b541f356e80a22edaac05
SHA1c1e507275310b974d94767fa3c721366a22cec3a
SHA256c6a35a90693da57eafaedaa78ed29b6efb2dd26fa84bfe09b42df6b980dcaaad
SHA5128a13fd6e6097f589fc6419e7f5085e51d5092cc0825716bf07cd62baaa220bb541e31c8d6d2a8491da616db5537e09f459df588f92361fdd566aa95376e348ef
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Filesize
124KB
MD5008111e9898b541f356e80a22edaac05
SHA1c1e507275310b974d94767fa3c721366a22cec3a
SHA256c6a35a90693da57eafaedaa78ed29b6efb2dd26fa84bfe09b42df6b980dcaaad
SHA5128a13fd6e6097f589fc6419e7f5085e51d5092cc0825716bf07cd62baaa220bb541e31c8d6d2a8491da616db5537e09f459df588f92361fdd566aa95376e348ef
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Filesize
124KB
MD5008111e9898b541f356e80a22edaac05
SHA1c1e507275310b974d94767fa3c721366a22cec3a
SHA256c6a35a90693da57eafaedaa78ed29b6efb2dd26fa84bfe09b42df6b980dcaaad
SHA5128a13fd6e6097f589fc6419e7f5085e51d5092cc0825716bf07cd62baaa220bb541e31c8d6d2a8491da616db5537e09f459df588f92361fdd566aa95376e348ef
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Filesize
124KB
MD5008111e9898b541f356e80a22edaac05
SHA1c1e507275310b974d94767fa3c721366a22cec3a
SHA256c6a35a90693da57eafaedaa78ed29b6efb2dd26fa84bfe09b42df6b980dcaaad
SHA5128a13fd6e6097f589fc6419e7f5085e51d5092cc0825716bf07cd62baaa220bb541e31c8d6d2a8491da616db5537e09f459df588f92361fdd566aa95376e348ef