Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 02:29

General

  • Target

    e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.exe

  • Size

    2.0MB

  • MD5

    c38657e4d1f8fa6d62e4d6206660617f

  • SHA1

    42b07485195e3bf7a5d67b838c8c397e531492bc

  • SHA256

    e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11

  • SHA512

    1cbf1697e6cc5103975bf4a2c008f8845d4620caa21b13c8123ba51ce1d66e19c8e768d78f88d0b6627e80d3a7f9ce017a81bb4d6fef8a8c873bbdbaec19c483

  • SSDEEP

    49152:32oYfZz5qNVwfp98z/D7P/VFPjd70xiw4F+WUM:moYfCVwfXo/33R70ElpUM

Malware Config

Extracted

Family

socks5systemz

C2

http://ejzrhjo.ua/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec9d9b3f

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 19 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.exe
    "C:\Users\Admin\AppData\Local\Temp\e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Users\Admin\AppData\Local\Temp\is-T4G5D.tmp\e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T4G5D.tmp\e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.tmp" /SL5="$60068,1772233,54272,C:\Users\Admin\AppData\Local\Temp\e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3084
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1596
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4244

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

          Filesize

          2.0MB

          MD5

          173eccf8f011bb5b462c3b7c7adad629

          SHA1

          cb3ccf6a3ba8a1dc2fa0a090cb459db2360599e6

          SHA256

          2b76c0db5e4bd3cd4f672527749e5a448204b46158c6d91e937b9261d69922a9

          SHA512

          f898b90178dd7dac97d090bc310555dc0d311e36cc13ab8b552361b44aa82aa8e6bcb8d693ccee7ed13fbfb93951b0da5eae27b36de7137bc32db74e7d1a1c46

        • C:\Users\Admin\AppData\Local\Temp\is-OTCCC.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-T4G5D.tmp\e604beaf6d3c8bddc0c664babf465e6210f53fdf1745ad8173a34bec3d35cb11.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

        • memory/1596-38-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-39-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-43-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-42-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/3084-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3084-50-0x0000000000690000-0x0000000000691000-memory.dmp

          Filesize

          4KB

        • memory/3084-7-0x0000000000690000-0x0000000000691000-memory.dmp

          Filesize

          4KB

        • memory/4244-54-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-81-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-46-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-49-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-97-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-53-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-94-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-57-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-60-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-63-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-65-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/4244-68-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-69-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/4244-74-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-77-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-78-0x00000000008F0000-0x0000000000992000-memory.dmp

          Filesize

          648KB

        • memory/4244-90-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-84-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4244-87-0x0000000000400000-0x0000000000610000-memory.dmp

          Filesize

          2.1MB

        • memory/4968-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4968-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4968-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB