Resubmissions

15-03-2023 05:44

230315-ge8f7sbg62 6

15-03-2023 00:20

230315-am19jaaf39 6

14-03-2023 05:55

230314-gmnf1afh4v 3

Analysis

  • max time kernel
    291s
  • max time network
    296s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    15-03-2023 00:20

General

  • Target

    PDF_Archivo_DocumtoYCNCFQUFIICMOHQgyezk.exe

  • Size

    313.5MB

  • MD5

    07f42c9c9094240d7fdc4e58ce7eeffd

  • SHA1

    e6e291b5c9d8eaf6ccaadbbb2ad2092750a38584

  • SHA256

    d524e75f3fd6aa2f59b335384a029e1cfff62def68bcf7cf9d7cd9d39ff704df

  • SHA512

    c73a971a0aea6029a2b1a95fe2033017f5b0df183d3ad92b902055871e82093d2a0f873ccd7e9cc59bb64ad5cc09d4a0415f6eebc3d03a6d12b991b484a122bd

  • SSDEEP

    49152:P7WDb5p9VUKuGTrSbMEqxmm1jjV5zKSUKFHK7VKM+PIMUoEWLX6j6HNaVIT6TL1Q:P7WnXJL1nPWRVx+PIOHNq1cpJQ

Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF_Archivo_DocumtoYCNCFQUFIICMOHQgyezk.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF_Archivo_DocumtoYCNCFQUFIICMOHQgyezk.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2104
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:4904

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3672-133-0x0000000013F90000-0x0000000013F91000-memory.dmp

        Filesize

        4KB

      • memory/3672-134-0x0000000018A20000-0x0000000018A21000-memory.dmp

        Filesize

        4KB

      • memory/3672-135-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/3672-136-0x0000000013F90000-0x0000000013F91000-memory.dmp

        Filesize

        4KB

      • memory/3672-146-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/3672-147-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/3672-149-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB

      • memory/3672-152-0x0000000000400000-0x0000000001400000-memory.dmp

        Filesize

        16.0MB