Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:38

General

  • Target

    FIRST PURCHASE ORDER.exe

  • Size

    714KB

  • MD5

    dbbac19cfd01ab4e759500a13168a30b

  • SHA1

    71917c8765aaa6e2869cc1b949bfddf3580457c5

  • SHA256

    fe41fe0b302887f61f20473015f386ab57ddb4cc278b3e1639c07337012a58f4

  • SHA512

    caa08b928acff84a762f64c8c18c332db8f546d003085415560bdc265c3c90953d3e54da5e2031d188beca49e8c891966f8f8de66c8202928045acfd7d80d4ee

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FIRST PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\FIRST PURCHASE ORDER.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EOFicAFbFaB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDA0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3148
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:316
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
          PID:176
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          2⤵
            PID:204
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "{path}"
            2⤵
              PID:212
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "{path}"
              2⤵
                PID:4020

            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

            Query Registry

            1
            T1012

            System Information Discovery

            2
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmpCDA0.tmp
              Filesize

              1KB

              MD5

              4de0bd61d977a1861de83a9cbd234d24

              SHA1

              7dac22ec3c496b0c7556ac21123034bef0aa998b

              SHA256

              504f8664c8262c9dd9775422792fc743c88acce1c26d1f8a7d9cba87aeac24f5

              SHA512

              fa6ecaf0f0e6c055ac8ae6f12e2e653c54894de1c07336c191251f47bc774b837db865fa3778feb21a032817fc4dae452bff67bc781dcb25c60220025e620f45

            • memory/176-137-0x0000000000000000-mapping.dmp
            • memory/204-138-0x0000000000000000-mapping.dmp
            • memory/212-139-0x0000000000000000-mapping.dmp
            • memory/316-136-0x0000000000000000-mapping.dmp
            • memory/3148-134-0x0000000000000000-mapping.dmp
            • memory/3216-130-0x0000000000230000-0x00000000002E8000-memory.dmp
              Filesize

              736KB

            • memory/3216-131-0x0000000005290000-0x0000000005834000-memory.dmp
              Filesize

              5.6MB

            • memory/3216-132-0x0000000004CE0000-0x0000000004D72000-memory.dmp
              Filesize

              584KB

            • memory/3216-133-0x0000000004E20000-0x0000000004EBC000-memory.dmp
              Filesize

              624KB

            • memory/4020-140-0x0000000000000000-mapping.dmp