Analysis
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max time kernel
144s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
25-02-2023 06:32
Static task
static1
Behavioral task
behavioral1
Sample
c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe
Resource
win10-20230220-en
General
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Target
c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe
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Size
292KB
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MD5
fcf4329bec808e95cd7eeb3396060b61
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SHA1
fea1ed17dd407b7be980d8996a5756a0dbdc3bfc
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SHA256
c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8
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SHA512
946704e758e1542244f88d8d6d9af49bfac5f894d3aebc1b66b79937078ac401c611ecf385d7a5299c7e28db2c636aac710343c7159dac3c9e2a967393e80a02
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SSDEEP
3072:Oh0ca1GaQZCklyWJtF5NptfIwID6E9M5Pb6wr90QC6rxdSEM5Hkq1yGe9UEpj4KF:w9ayV7tFJ526Zb6+TCYjMtH1yGI4O
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 2 IoCs
resource yara_rule behavioral1/memory/5044-121-0x0000000002380000-0x00000000023CE000-memory.dmp fatalrat behavioral1/memory/5044-122-0x0000000010000000-0x0000000010028000-memory.dmp fatalrat -
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.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5044 wrote to memory of 1496 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 66 PID 5044 wrote to memory of 1496 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 66 PID 5044 wrote to memory of 1496 5044 c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe"C:\Users\Admin\AppData\Local\Temp\c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c del /q C:\Users\Admin\AppData\Local\Temp\c3c655e28a4fc1b268ea9f755c8a4c2418b713f2abc641c30519c4ca641d84b8.exe2⤵PID:1496
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