Analysis
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max time kernel
87s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
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submitted
19/09/2022, 06:39
General
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Target
cf31a2e4f481ea90d2d2a71711390ab5261b4702b3f9d2eb74e3ebf9eb2f4a77.exe
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Size
47KB
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MD5
609d5056b3945c70c89004f952fd404e
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SHA1
36a98623c3fab6e1d9026b3a466214a2eab9327a
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SHA256
cf31a2e4f481ea90d2d2a71711390ab5261b4702b3f9d2eb74e3ebf9eb2f4a77
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SHA512
63fb8a5576002815d9e629b1fd21e4e1fd821c5240504e6e4dac1de93583473ac202c0ebe473f9be3de8b0a285db35597672d4c7adc58c1ed9345f2168e42e61
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SSDEEP
768:Dh3s6PjF/+JltqpQRgeqU7UTh9PjpHJuKmrZgcwqSYk63h8OWZYbM7UlL27llFww:DpQqpQRPbUXPdHErZp45vOkwwURiFnqm
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in System32 directory 1 IoCs
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Drops file in Program Files directory 1 IoCs
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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 10 IoCs
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Suspicious use of SetWindowsHookEx 8 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\cf31a2e4f481ea90d2d2a71711390ab5261b4702b3f9d2eb74e3ebf9eb2f4a77.exe"C:\Users\Admin\AppData\Local\Temp\cf31a2e4f481ea90d2d2a71711390ab5261b4702b3f9d2eb74e3ebf9eb2f4a77.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wintsvcc.exe"C:\Windows\system32\wintsvcc.exe" /no_ads2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
51KB
MD5b96be71407d1d359724cc304ae84dded
SHA14e1c514143c269ac2fa20b63496cd9f63b5c5780
SHA25665ed54cfff87743a5cd42dcfac31be6e49f9b5688c7b92d83ef73198de387825
SHA5121aabc911f10a8da2fbd861c022bb08f4231ee65e940738e6d44dd34a79f52f04b1dea814db202a5442bf0b58799039fe6cfe585c7409f4130f2bc85878407ad6
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Filesize
51KB
MD5b96be71407d1d359724cc304ae84dded
SHA14e1c514143c269ac2fa20b63496cd9f63b5c5780
SHA25665ed54cfff87743a5cd42dcfac31be6e49f9b5688c7b92d83ef73198de387825
SHA5121aabc911f10a8da2fbd861c022bb08f4231ee65e940738e6d44dd34a79f52f04b1dea814db202a5442bf0b58799039fe6cfe585c7409f4130f2bc85878407ad6
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Filesize
152KB
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Filesize
152KB
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Filesize
152KB