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Analysis
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max time kernel
151s -
max time network
73s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28/11/2022, 02:24
Behavioral task
behavioral1
Sample
4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
Resource
win10v2004-20220901-en
General
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Target
4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe
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Size
2.6MB
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MD5
83bfd8815e788e84e7ec225ae723187d
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SHA1
bd333c6213956140aa5abbac3a0c54d81d64e5a3
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SHA256
4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425
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SHA512
7b3909d32d744d980600155ad0cc7757510d74418ffa206d7bb703a49b56c469fbaf342f0c88e0e91329d3992e4bfa83944854d0dce9a71483b9c2c10f2df413
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SSDEEP
49152:2toK3MJgWJfjRiFqpfSdXYjy0n4w1Ou8HG3WE/OWwcBEP2KHgDfcg+QVX1mEsMFq:qMisiFq4XYm091OufGPLclKHUcgnVQcg
Malware Config
Signatures
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Drops file in Drivers directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe File opened for modification C:\Windows\system32\drivers\etc 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe File created C:\Windows\system32\drivers\etc\hosts 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe File created C:\Windows\system32\drivers\nHyd3Ho.sys 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 460 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1112 wrote to memory of 1136 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe 26 PID 1112 wrote to memory of 1136 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe 26 PID 1112 wrote to memory of 1136 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe 26 PID 1112 wrote to memory of 1136 1112 4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe"C:\Users\Admin\AppData\Local\Temp\4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd /c rd "C:\Windows\system32\drivers\etcgbBbw" /S /Q2⤵PID:1136
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