Analysis

  • max time kernel
    137s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    07/02/2022, 02:48

General

  • Target

    405343165def156d050d2d628512eb58db4c6c837d43cb8290811a8dbc8d78f0.exe

  • Size

    1.2MB

  • MD5

    55d3bf6845cb75b495704d3d3be3e406

  • SHA1

    1e078c1e5937db4ebec4a24d75dd777ad4e175ff

  • SHA256

    405343165def156d050d2d628512eb58db4c6c837d43cb8290811a8dbc8d78f0

  • SHA512

    c904b9016fe932e0a4187467279cfa28cf4daa719674ff63d568bff706faac8d520fcb283d2d26eba2a83ded61119e32284a2aafc1872f1bbe4db07809170a1e

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\405343165def156d050d2d628512eb58db4c6c837d43cb8290811a8dbc8d78f0.exe
    "C:\Users\Admin\AppData\Local\Temp\405343165def156d050d2d628512eb58db4c6c837d43cb8290811a8dbc8d78f0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\14E6.tmp\14E7.bat C:\Users\Admin\AppData\Local\Temp\405343165def156d050d2d628512eb58db4c6c837d43cb8290811a8dbc8d78f0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Users\Admin\AppData\Local\Temp\14E6.tmp\2.exe
        2.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        PID:1568

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1196-55-0x00000000769D1000-0x00000000769D3000-memory.dmp

          Filesize

          8KB