Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 04:27

General

  • Target

    purchase orders.exe

  • Size

    488KB

  • MD5

    2c2d3105123454cc637f36f4d87538ef

  • SHA1

    2548b73e24f969c2fb9d780683c3f573e265a451

  • SHA256

    fdd016077ae901b6249b71415d30c134ff7c7a44e00c2e78027d2537ac9be019

  • SHA512

    a7fdb428c7f7cde14a7509c61db2204a315cf7200e3545d4777564c27f2f887cce0ffbaffc2887f60ccdb99e2bb02d5882ca3a58933c9ea9bc81110cdff69c63

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LErShFWgvWWU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93A8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1248
    • C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
      "C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
      2⤵
        PID:1724
      • C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
        "C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
        2⤵
          PID:568
        • C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
          "C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
          2⤵
            PID:548
          • C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
            "C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
            2⤵
              PID:836
            • C:\Users\Admin\AppData\Local\Temp\purchase orders.exe
              "C:\Users\Admin\AppData\Local\Temp\purchase orders.exe"
              2⤵
                PID:1400

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Execution

            Scheduled Task

            1
            T1053

            Persistence

            Scheduled Task

            1
            T1053

            Privilege Escalation

            Scheduled Task

            1
            T1053

            Discovery

            System Information Discovery

            1
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1248-60-0x0000000000000000-mapping.dmp
            • memory/2040-54-0x0000000000390000-0x0000000000391000-memory.dmp
              Filesize

              4KB

            • memory/2040-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
              Filesize

              8KB

            • memory/2040-57-0x0000000000A60000-0x0000000000A67000-memory.dmp
              Filesize

              28KB

            • memory/2040-58-0x0000000000A00000-0x0000000000A01000-memory.dmp
              Filesize

              4KB

            • memory/2040-59-0x0000000004CB0000-0x0000000004D08000-memory.dmp
              Filesize

              352KB