Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2024, 15:46

General

  • Target

    245feb1863027e245b3de9957ae20ae6.exe

  • Size

    2.0MB

  • MD5

    245feb1863027e245b3de9957ae20ae6

  • SHA1

    17ca0ff141577f13e1c5194c03f49c894037a709

  • SHA256

    6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5

  • SHA512

    0f0470294de37c2988c66b0268f85108e5c4f641d6df0beba6198e1d60401fd992929c158f20aacc515af192af1a2ca2a27cf8f4a599fd840c38010c5b19c2e9

  • SSDEEP

    49152:326cyROWJGguankmaHmFxdPr9Pz/I4pHCH:mFyLYAkmaGBPJzCH

Malware Config

Extracted

Family

socks5systemz

C2

http://aiiurxe.ru/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0e79d9938

http://aiiurxe.ru/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12eab517aa5c96bd86eb97854b815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983bc5679515

Signatures

  • Detect Socks5Systemz Payload 5 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • 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\245feb1863027e245b3de9957ae20ae6.exe
    "C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp" /SL5="$C004C,1751749,54272,C:\Users\Admin\AppData\Local\Temp\245feb1863027e245b3de9957ae20ae6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4360
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.1MB

          MD5

          5bf4fd07283eb6ab99dadb779af6cbe3

          SHA1

          cff589efc4d760fec33f34a020ef864769c342c4

          SHA256

          ffc409757222843c77e68c2b1b933abfd33d21fb8b6989b8ea440170f411d7ec

          SHA512

          c365399a280a178065fbbff01406b21489af50b51a61f1774fca5155ea013819ff601c9d2c7b4caa049c696a815b19a4bfbb3fa7bbaaf4cc052c0ee4f652534a

        • C:\Users\Admin\AppData\Local\Temp\is-0RDUI.tmp\245feb1863027e245b3de9957ae20ae6.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/2292-46-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2292-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3172-6-0x0000000000760000-0x0000000000761000-memory.dmp

          Filesize

          4KB

        • memory/3172-49-0x0000000000760000-0x0000000000761000-memory.dmp

          Filesize

          4KB

        • memory/3172-47-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3612-77-0x0000000000740000-0x00000000007E2000-memory.dmp

          Filesize

          648KB

        • memory/3612-68-0x0000000000740000-0x00000000007E2000-memory.dmp

          Filesize

          648KB

        • memory/3612-98-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-95-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-48-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-91-0x0000000000740000-0x00000000007E2000-memory.dmp

          Filesize

          648KB

        • memory/3612-52-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-56-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-59-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-62-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-65-0x0000000000740000-0x00000000007E2000-memory.dmp

          Filesize

          648KB

        • memory/3612-66-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-45-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-73-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-76-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-90-0x0000000000740000-0x00000000007E2000-memory.dmp

          Filesize

          648KB

        • memory/3612-80-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-83-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-86-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3612-89-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-37-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-42-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-39-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB