Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
22-03-2023 03:49
General
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Target
8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe
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Size
4.5MB
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MD5
d9554bbc5c3af0897cf964bfc05a25ee
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SHA1
dc7d515a4c955d50b6f33672428435e7eecf68b6
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SHA256
8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857
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SHA512
563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708
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SSDEEP
98304:J+pInoZjT50eNzIWXNYrDPARZ2L7h2XvkKjTPeLcDvt6mUE7iaLGtBHCql+jWh7g:oGU+eN1NIDY/Y3KjTeCV6m9/LGFl+
Malware Config
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Fatal Rat payload 1 IoCs
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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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Executes dropped EXE 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
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Drops file in Program Files directory 3 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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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 4 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe"C:\Users\Admin\AppData\Local\Temp\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe"1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe"C:\Users\Admin\AppData\Local\8933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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
4.5MB
MD5d9554bbc5c3af0897cf964bfc05a25ee
SHA1dc7d515a4c955d50b6f33672428435e7eecf68b6
SHA2568933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857
SHA512563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708
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Filesize
4.5MB
MD5d9554bbc5c3af0897cf964bfc05a25ee
SHA1dc7d515a4c955d50b6f33672428435e7eecf68b6
SHA2568933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857
SHA512563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708
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Filesize
4.5MB
MD5d9554bbc5c3af0897cf964bfc05a25ee
SHA1dc7d515a4c955d50b6f33672428435e7eecf68b6
SHA2568933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857
SHA512563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708
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Filesize
4.5MB
MD5d9554bbc5c3af0897cf964bfc05a25ee
SHA1dc7d515a4c955d50b6f33672428435e7eecf68b6
SHA2568933cf5ca29e78a3c23f35f7b837efcf6f5f76d88c902ed08205b213165bd857
SHA512563fed4d113e721c337f8708f380bbe09fe29b70d16e5a32c478d26433a0a93ff49d9d832cb209d5312316cbdfd9de7cf666275ba0aae9f8d8de75624a7e8708
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Filesize
20.9MB
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Filesize
3.8MB
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Filesize
20.9MB
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Filesize
20.9MB
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Filesize
20.9MB
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Filesize
168KB
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Filesize
20.9MB
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Filesize
20.9MB
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Filesize
3.8MB
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Filesize
20.9MB
-
Filesize
20.9MB
-
Filesize
20.9MB
-
Filesize
20.9MB
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Filesize
20.9MB
-
Filesize
20.9MB
-
Filesize
20.9MB
-
Filesize
20.9MB
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Filesize
20.9MB
-
Filesize
20.9MB
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Filesize
20.9MB
-
Filesize
20.9MB
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Filesize
20.9MB