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Analysis

  • 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

General

  • Target

    4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425.exe

  • Size

    2.6MB

  • MD5

    83bfd8815e788e84e7ec225ae723187d

  • SHA1

    bd333c6213956140aa5abbac3a0c54d81d64e5a3

  • SHA256

    4b308d0d4250c47a19fb569e08b73473f2ac39417fe49dba3cd8d7c1ca0f9425

  • SHA512

    7b3909d32d744d980600155ad0cc7757510d74418ffa206d7bb703a49b56c469fbaf342f0c88e0e91329d3992e4bfa83944854d0dce9a71483b9c2c10f2df413

  • SSDEEP

    49152:2toK3MJgWJfjRiFqpfSdXYjy0n4w1Ou8HG3WE/OWwcBEP2KHgDfcg+QVX1mEsMFq:qMisiFq4XYm091OufGPLclKHUcgnVQcg

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • 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.exe
      C:\Windows\system32\cmd /c rd "C:\Windows\system32\drivers\etcgbBbw" /S /Q
      2⤵
        PID:1136

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1112-54-0x0000000000400000-0x0000000000848000-memory.dmp

      Filesize

      4.3MB

    • memory/1112-55-0x0000000075351000-0x0000000075353000-memory.dmp

      Filesize

      8KB

    • memory/1112-57-0x0000000000400000-0x0000000000848000-memory.dmp

      Filesize

      4.3MB