Analysis
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max time kernel
152s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 20:08
Static task
static1
Behavioral task
behavioral1
Sample
3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe
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Size
223KB
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MD5
919ed9fffbd918eba1edfb05b706c4e0
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SHA1
00233ce41469385a19c018b1cacb191e76d79381
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SHA256
3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81
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SHA512
7688763068cececf5b359a8cf54bd0d7907875952b3c1bd044eb0dbb10c994b2833651f74707f6aabc7313cab916ad7785b84dcf0fd15892348bbe0794441b49
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SSDEEP
1536:ZIFKX8qunmMb3Np199xW96ZCVh8s4aBQFNpCeB+DI3GQkVLNSLUUkh1hC7u6WT51:ZQqdsNpGVh89Cg0RdXtK9r4U8zWtE1R
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fiiojah.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe -
Executes dropped EXE 1 IoCs
pid Process 2036 fiiojah.exe -
Loads dropped DLL 2 IoCs
pid Process 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /d" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /v" fiiojah.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /e" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /w" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /j" 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /h" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /z" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /l" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /s" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /i" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /p" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /c" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /r" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /y" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /u" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /j" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /m" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /t" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /x" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /a" fiiojah.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /k" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /o" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /q" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /f" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /g" fiiojah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\fiiojah = "C:\\Users\\Admin\\fiiojah.exe /b" fiiojah.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 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum fiiojah.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 fiiojah.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 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe 2036 fiiojah.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 2036 fiiojah.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1660 wrote to memory of 2036 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 27 PID 1660 wrote to memory of 2036 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 27 PID 1660 wrote to memory of 2036 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 27 PID 1660 wrote to memory of 2036 1660 3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.exe"C:\Users\Admin\AppData\Local\Temp\3e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81.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:1660 -
C:\Users\Admin\fiiojah.exe"C:\Users\Admin\fiiojah.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:2036
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
223KB
MD5919ed9fffbd918eba1edfb05b706c4e0
SHA100233ce41469385a19c018b1cacb191e76d79381
SHA2563e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81
SHA5127688763068cececf5b359a8cf54bd0d7907875952b3c1bd044eb0dbb10c994b2833651f74707f6aabc7313cab916ad7785b84dcf0fd15892348bbe0794441b49
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Filesize
223KB
MD5919ed9fffbd918eba1edfb05b706c4e0
SHA100233ce41469385a19c018b1cacb191e76d79381
SHA2563e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81
SHA5127688763068cececf5b359a8cf54bd0d7907875952b3c1bd044eb0dbb10c994b2833651f74707f6aabc7313cab916ad7785b84dcf0fd15892348bbe0794441b49
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Filesize
223KB
MD5919ed9fffbd918eba1edfb05b706c4e0
SHA100233ce41469385a19c018b1cacb191e76d79381
SHA2563e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81
SHA5127688763068cececf5b359a8cf54bd0d7907875952b3c1bd044eb0dbb10c994b2833651f74707f6aabc7313cab916ad7785b84dcf0fd15892348bbe0794441b49
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Filesize
223KB
MD5919ed9fffbd918eba1edfb05b706c4e0
SHA100233ce41469385a19c018b1cacb191e76d79381
SHA2563e9b6c1aa94548ba089720ff0e1eb25152162f925f3a55cf8b0e770f0e647d81
SHA5127688763068cececf5b359a8cf54bd0d7907875952b3c1bd044eb0dbb10c994b2833651f74707f6aabc7313cab916ad7785b84dcf0fd15892348bbe0794441b49