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Analysis
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max time kernel
117s -
max time network
168s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
01/11/2023, 22:03
Static task
static1
Behavioral task
behavioral1
Sample
46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll
Resource
win10v2004-20231023-en
General
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Target
46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll
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Size
74KB
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MD5
45f8d8d63b31cd02fc6cf4403d2fbfad
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SHA1
431da6e0aa9b524f45ee6574fffa59d200b4a92d
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SHA256
46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d
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SHA512
c46762f18fa156e836eacee2acc3700855f69ddd801bc89978aa9a7a0950e40a5b53d31af250862d317c9f61bb6238506b1daa4c1f8d9078676f03a8c1859468
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SSDEEP
1536:Rpi13988ZAcYPxykieJBkugszIkRkAkkkp7kkkkZkiJ++9gL45+ZVYHvzf9fhsiC:Rpi1398qAcYPxykieJBkugszIkRkAkk/
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
resource yara_rule behavioral1/memory/2044-6-0x0000000000750000-0x000000000077A000-memory.dmp fatalrat -
Blocklisted process makes network request 2 IoCs
flow pid Process 2 2044 rundll32.exe 3 2044 rundll32.exe -
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 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe -
Suspicious behavior: EnumeratesProcesses 51 IoCs
pid Process 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe 2044 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2044 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2200 wrote to memory of 2044 2200 rundll32.exe 28 PID 2200 wrote to memory of 2044 2200 rundll32.exe 28 PID 2200 wrote to memory of 2044 2200 rundll32.exe 28 PID 2200 wrote to memory of 2044 2200 rundll32.exe 28 PID 2200 wrote to memory of 2044 2200 rundll32.exe 28 PID 2200 wrote to memory of 2044 2200 rundll32.exe 28 PID 2200 wrote to memory of 2044 2200 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll,#12⤵
- Blocklisted process makes network request
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044
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