Analysis

  • max time kernel
    89s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26-07-2021 12:42

General

  • Target

    TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe

  • Size

    1.4MB

  • MD5

    219ba6bac5cb35641e76ffdee2f97fbc

  • SHA1

    4eb1887fc7de7552c674c5501de8776c5175de3f

  • SHA256

    ac9a96be003388d497db4755c9ca68a2725c901fdec82b942b4fb84683490b01

  • SHA512

    fff2cef9f701e5f1fa50e93e05bc13c13313815b151e9e31ff719d5b13a20d7437544efe001ad4a6745532c408e3adb42e512aaae4858d35e6bc9f18b864a9f3

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\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe
    "C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QWfdBxcEaEAQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3237.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:796
    • C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe
      "C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe"
      2⤵
        PID:888
      • C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe
        "C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe"
        2⤵
          PID:1112
        • C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe
          "C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe"
          2⤵
            PID:1468
          • C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe
            "C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe"
            2⤵
              PID:1892
            • C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe
              "C:\Users\Admin\AppData\Local\Temp\TOA Vietnam Co., Ltd - Inquiry Note from 26.07.2021.exe"
              2⤵
                PID:1832

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp3237.tmp

              MD5

              429c00b43869d357978e34c6b6127421

              SHA1

              4d45738a17e4eefcebf784b436321ee29ae64a9f

              SHA256

              d1926d734e72d7c78507b0802ded3639394f6b010fafc8598686911f117d5309

              SHA512

              8d1e6b125c433df2b29a404d9d1b33010ff1930c55cbd73aa0de5c1d94c700e06964045eb495e80d0737b35bcfef5be169908432394e8136fcd6063298653e04

            • memory/796-65-0x0000000000000000-mapping.dmp

            • memory/1060-59-0x0000000000350000-0x0000000000351000-memory.dmp

              Filesize

              4KB

            • memory/1060-61-0x0000000004AB0000-0x0000000004AB1000-memory.dmp

              Filesize

              4KB

            • memory/1060-62-0x0000000000290000-0x00000000002BD000-memory.dmp

              Filesize

              180KB

            • memory/1060-63-0x00000000052C0000-0x0000000005324000-memory.dmp

              Filesize

              400KB

            • memory/1060-64-0x0000000000530000-0x000000000054F000-memory.dmp

              Filesize

              124KB