Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
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submitted
06-09-2023 23:50
General
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Target
b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe
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Size
376KB
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MD5
d4fa2ab258835cca6e64cbb5fa814604
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SHA1
4ae50d9f13aed652f977e73ca674c483e06c4266
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SHA256
b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad
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SHA512
d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd
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SSDEEP
6144:EORLKn/ocYlNMeBasmrfc2RrYZWC9sxNwhstAOWf4rE0G/saJ:E6+ANlNMeMx0MrG9EGwAOWf4rt8X
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 3 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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UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"C:\Users\Admin\AppData\Local\Temp\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"C:\Users\Admin\AppData\Local\b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
376KB
MD5d4fa2ab258835cca6e64cbb5fa814604
SHA14ae50d9f13aed652f977e73ca674c483e06c4266
SHA256b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad
SHA512d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd
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Filesize
376KB
MD5d4fa2ab258835cca6e64cbb5fa814604
SHA14ae50d9f13aed652f977e73ca674c483e06c4266
SHA256b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad
SHA512d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd
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Filesize
376KB
MD5d4fa2ab258835cca6e64cbb5fa814604
SHA14ae50d9f13aed652f977e73ca674c483e06c4266
SHA256b185b64ead43a72fe79d5c17e2c59abc0333c42e12798eac5e283a7ca08694ad
SHA512d6086575312888f0c3d1ead25a8ddc14a45ec1e987c0e652664d7c23602af716e378c556d86c2f72f125f1723f31b376c40b6c354f9384d1dcec4ea8a2277bfd
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
168KB
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Filesize
1.1MB