Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 10:45

General

  • Target

    b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe

  • Size

    2.9MB

  • MD5

    cbeffd949046aaa524798b4ae5ddc4f4

  • SHA1

    7ab957245072d44553c18420405863c2adc8bd74

  • SHA256

    5e42b98450fea49528736f56e2326f7d3edda2b5012ef20d00282d403aeed5f7

  • SHA512

    c273458921d6cf380532216529b2bffef512c8a2eff43173d21665bb9bb085f5c1ea490d1c389e9ae6b4bffee79da4f111386e833a8264c8293e9ce43d692518

  • SSDEEP

    24576:ATU7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHK:ATU7AAmw4gxeOw46fUbNecCCFbNecV

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe
    "C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      PID:3172
    • C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe
      C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe
        C:\Users\Admin\AppData\Local\Temp\b23edb5a4d5796614ceb4b760f55bd0bb29b2ffc1af34b5613e1844a05c3dbe3N.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2344
      • C:\Windows\SysWOW64\diskperf.exe
        "C:\Windows\SysWOW64\diskperf.exe"
        3⤵
          PID:1348

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1348-23-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/1348-28-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/1348-26-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2344-18-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2344-34-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2344-21-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4964-10-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/4964-14-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-8-0x00000000004E7000-0x0000000000513000-memory.dmp

      Filesize

      176KB

    • memory/4964-7-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-4-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-6-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/4964-13-0x00000000004E7000-0x0000000000513000-memory.dmp

      Filesize

      176KB

    • memory/4964-9-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-12-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-3-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-5-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/4964-32-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4964-27-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/4964-2-0x0000000000400000-0x0000000001400000-memory.dmp

      Filesize

      16.0MB

    • memory/5080-11-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/5080-0-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB