Analysis
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max time kernel
147s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
19-09-2023 00:27
General
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Target
71db5b15a28d1b0c6b76ef22f1572187.exe
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Size
105KB
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MD5
71db5b15a28d1b0c6b76ef22f1572187
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SHA1
c10adc5a88a5d301ecc4f13b3e6724352bc164b7
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SHA256
6566329004ceb172a383a4af8b339fd72f34bc9ae275f735fef47af2750cef18
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SHA512
4d9dfe99d433ccada521189baba38b38650b1005294143f20772615b87c94bfd14bf415e0a3068001ea65ba6d830f95487928aa4f086c91182f9abcb149e6fe0
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SSDEEP
3072:+SOGkNtcle03EBPavATccthXJi9+YKSVG0Q0z:CftcoP0AQc72ESID
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 behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\71db5b15a28d1b0c6b76ef22f1572187.exe"C:\Users\Admin\AppData\Local\Temp\71db5b15a28d1b0c6b76ef22f1572187.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\71db5b15a28d1b0c6b76ef22f1572187.exe"C:\Users\Admin\AppData\Local\71db5b15a28d1b0c6b76ef22f1572187.exe"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exenotepad.exe3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
105KB
MD571db5b15a28d1b0c6b76ef22f1572187
SHA1c10adc5a88a5d301ecc4f13b3e6724352bc164b7
SHA2566566329004ceb172a383a4af8b339fd72f34bc9ae275f735fef47af2750cef18
SHA5124d9dfe99d433ccada521189baba38b38650b1005294143f20772615b87c94bfd14bf415e0a3068001ea65ba6d830f95487928aa4f086c91182f9abcb149e6fe0
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Filesize
105KB
MD571db5b15a28d1b0c6b76ef22f1572187
SHA1c10adc5a88a5d301ecc4f13b3e6724352bc164b7
SHA2566566329004ceb172a383a4af8b339fd72f34bc9ae275f735fef47af2750cef18
SHA5124d9dfe99d433ccada521189baba38b38650b1005294143f20772615b87c94bfd14bf415e0a3068001ea65ba6d830f95487928aa4f086c91182f9abcb149e6fe0
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Filesize
105KB
MD571db5b15a28d1b0c6b76ef22f1572187
SHA1c10adc5a88a5d301ecc4f13b3e6724352bc164b7
SHA2566566329004ceb172a383a4af8b339fd72f34bc9ae275f735fef47af2750cef18
SHA5124d9dfe99d433ccada521189baba38b38650b1005294143f20772615b87c94bfd14bf415e0a3068001ea65ba6d830f95487928aa4f086c91182f9abcb149e6fe0
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Filesize
4KB
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Filesize
204KB
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Filesize
204KB
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Filesize
168KB
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Filesize
204KB