Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    17-11-2021 18:28

General

  • Target

    94968c73dacfd68500ca59905e410ca4ccafe92cd8e223ed47ad916ee82a6dfb.exe

  • Size

    256KB

  • MD5

    447af103027bb7cfa1c09538b38a6007

  • SHA1

    f369d25335c9c899f94ee0e2c2e3ac4b09f27812

  • SHA256

    94968c73dacfd68500ca59905e410ca4ccafe92cd8e223ed47ad916ee82a6dfb

  • SHA512

    64fb4db381c01e511c7e32871c386bfa70dddaab9e2cd24d4b9cd98913546e92f28dc1e54f6073638bc159f460cdd82978756c4cf1b4b24d0192b62cac2eed24

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94968c73dacfd68500ca59905e410ca4ccafe92cd8e223ed47ad916ee82a6dfb.exe
    "C:\Users\Admin\AppData\Local\Temp\94968c73dacfd68500ca59905e410ca4ccafe92cd8e223ed47ad916ee82a6dfb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del C:\Users\Admin\AppData\Local\Temp\94968c73dacfd68500ca59905e410ca4ccafe92cd8e223ed47ad916ee82a6dfb.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:436

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/436-62-0x0000000000000000-mapping.dmp
    • memory/1092-55-0x0000000000950000-0x0000000000951000-memory.dmp
      Filesize

      4KB

    • memory/1092-57-0x0000000000470000-0x0000000000471000-memory.dmp
      Filesize

      4KB

    • memory/1092-58-0x00000000004F0000-0x000000000053C000-memory.dmp
      Filesize

      304KB

    • memory/1092-59-0x00000000049D0000-0x00000000049D1000-memory.dmp
      Filesize

      4KB

    • memory/1092-60-0x0000000000490000-0x0000000000491000-memory.dmp
      Filesize

      4KB

    • memory/1928-61-0x0000000000000000-mapping.dmp