Analysis

  • max time kernel
    70s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:20

General

  • Target

    RxAiLsC8IM0TZpd.exe

  • Size

    443KB

  • MD5

    91fffd2debf555464c6ab22b1a439a64

  • SHA1

    86bd10469e908471a8707ea488e7b0cb0ca17385

  • SHA256

    5d9ebdf2cc71a3daaf79800947f04e0c54d10d0bfb2a5b2884d62408615c6027

  • SHA512

    88ce4ee88fbf5281d2074f7ad14209f6f7e4eb3a05ac558b72fd1b0f0d0ae1f23d52206aa47a8d5518d3ba367e6da7a45900ce9313c996c991c5366e17f1fe33

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe
    "C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pnOnsQElhkAyZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FAC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1736
    • C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe
      "{path}"
      2⤵
        PID:2036
      • C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe
        "{path}"
        2⤵
          PID:1996
        • C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe
          "{path}"
          2⤵
            PID:1992
          • C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe
            "{path}"
            2⤵
              PID:1880
            • C:\Users\Admin\AppData\Local\Temp\RxAiLsC8IM0TZpd.exe
              "{path}"
              2⤵
                PID:1832

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp7FAC.tmp

              Filesize

              1KB

              MD5

              8f24d843d18e42fdeda3ca2fdb0e3548

              SHA1

              c685cccfc58ae4b85a3a54c32a3a7adbd9412fb7

              SHA256

              06fd835be63ec2aac6c33a90994b536368a6a13786f24a2c0c07ac15650680b6

              SHA512

              5d613f393b529610bfaaee9ac65edf339385f836fda04febf1d1861091bc3e56f071ded6b47a4592af4c5399b8c9cc7c9b1a4b10f0ee15a58ff8d6d87770c4da

            • memory/1648-54-0x00000000003F0000-0x0000000000464000-memory.dmp

              Filesize

              464KB

            • memory/1648-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

              Filesize

              8KB

            • memory/1648-56-0x0000000000860000-0x0000000000868000-memory.dmp

              Filesize

              32KB

            • memory/1648-57-0x0000000004750000-0x0000000004790000-memory.dmp

              Filesize

              256KB

            • memory/1736-58-0x0000000000000000-mapping.dmp