Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2023 09:30

General

  • Target

    2023 Customer Information Export(1).doc.exe

  • Size

    690KB

  • MD5

    decf06be9f0c0eed2d93bf190ba4b99b

  • SHA1

    e4aa992415440850a9e0a17b2038c066d952bf4f

  • SHA256

    4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1

  • SHA512

    a00a7ffba5a666d19fdeccf7c8520e1bee55f72bbe6e4802565b131040adfeb5e1590af23d8d066ef2d38b63aeb51ac1bbc203b07c7ccc252b8d78315ece8ec3

  • SSDEEP

    12288:s44lO9ZVrJDoPAYzy8DjzzUl1XW9OSJLIF:s44lkl0N2kzzu1XW9OOMF

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023 Customer Information Export(1).doc.exe
    "C:\Users\Admin\AppData\Local\Temp\2023 Customer Information Export(1).doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hETSNfSV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F58.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2820
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:2716
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4F58.tmp

      Filesize

      1KB

      MD5

      cfb335a7e9713d21fafe09795c4c3ba4

      SHA1

      980041b840b0bac29a520cf73aacf914fb0cb221

      SHA256

      a074a1949d37b7486bcae6428aa16936c77a60208549b81fb635a21865ca812b

      SHA512

      39d5a30724eeba49416bb8aaa007fe92798218ca669fb7275c5ebeecf8c72b9699c845eefbecd21b193ee1cefd216d5360158e0d8749bb788a6cc3dbdaa74967

    • memory/924-5-0x000000007EF40000-0x000000007EF50000-memory.dmp

      Filesize

      64KB

    • memory/924-1-0x0000000074A60000-0x000000007514E000-memory.dmp

      Filesize

      6.9MB

    • memory/924-26-0x0000000074A60000-0x000000007514E000-memory.dmp

      Filesize

      6.9MB

    • memory/924-4-0x0000000004D60000-0x0000000004DA0000-memory.dmp

      Filesize

      256KB

    • memory/924-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

      Filesize

      256KB

    • memory/924-6-0x00000000004A0000-0x00000000004AC000-memory.dmp

      Filesize

      48KB

    • memory/924-7-0x000000007EF40000-0x000000007EF50000-memory.dmp

      Filesize

      64KB

    • memory/924-8-0x0000000005880000-0x00000000058FE000-memory.dmp

      Filesize

      504KB

    • memory/924-9-0x0000000000AD0000-0x0000000000B12000-memory.dmp

      Filesize

      264KB

    • memory/924-0-0x0000000000E30000-0x0000000000EE2000-memory.dmp

      Filesize

      712KB

    • memory/924-3-0x0000000074A60000-0x000000007514E000-memory.dmp

      Filesize

      6.9MB

    • memory/2684-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2684-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2684-25-0x0000000074A60000-0x000000007514E000-memory.dmp

      Filesize

      6.9MB

    • memory/2684-27-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

      Filesize

      256KB