Analysis

  • max time kernel
    124s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08/02/2022, 16:34

General

  • Target

    c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe

  • Size

    13.6MB

  • MD5

    bea610a4b1e7649e623ca842c7b5eabe

  • SHA1

    35c14688cf42428e3e811c5ac78f31c8665f635a

  • SHA256

    c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c

  • SHA512

    539d8012eca78e207aeba36cf94e01a9edbf3b9c046d0b8fd0b9acc2886ac554513c81a7d24eecb4ea675495ed36315dee51b29106e54944431d00578ddcebbf

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 9 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\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe
    "C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\697D.tmp\69AC.bat C:\Users\Admin\AppData\Local\Temp\c5b5b8c520b0619549653a1e68d2318547483e59d39dc57352e2c39d84869d3c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Users\Admin\AppData\Local\Temp\697D.tmp\2.exe
        2.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        PID:544

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1692-54-0x00000000754B1000-0x00000000754B3000-memory.dmp

          Filesize

          8KB