Analysis

  • max time kernel
    149s
  • 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, 16:34

General

  • Target

    37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe

  • Size

    2.0MB

  • MD5

    2f2b5ff3c33c62109f96e65c1d7601b0

  • SHA1

    aa8cfcbacc165b941199a9d56045933af952f995

  • SHA256

    37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81

  • SHA512

    ce770de242104f4f2fe702724f684ee59973cea11e257d997c18eb9f04487b0a6be9843c7b53070243cc2f1dee2a0e540cf1e379b6548cf40cab74a6fbc967ea

  • SSDEEP

    49152:32m/hFz6e3Bw45KMgwkYfyZYOgzynV0NWp6V/VtqkOVH:mobVwpooYQKcpGahH

Malware Config

Extracted

Family

socks5systemz

C2

http://dldezqe.info/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c1ee92993f

http://dldezqe.info/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983acc689512

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\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe
    "C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp" /SL5="$120226,1752368,54272,C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1964
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3976

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

          c963718dcfbf0c912a40a46bafcbe6f1

          SHA1

          8633310a8cc797a59a63d8fd54456893402296f8

          SHA256

          9cc03473e79df79135bfad64f51cc2ab03eeba069494045a91ddf0d2745345f6

          SHA512

          f9191caf21877ed861ad09019abf50c591ad5bcb2a478e4518e3e7aa64af73373d46c81e8829e80ac8be78be47d4ea83ff1e420e59297d1cff1718c37ca35c65

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-HHPGC.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • memory/1964-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1964-39-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1964-43-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2828-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2828-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2828-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3976-57-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-68-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-99-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-49-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-96-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-54-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-92-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/3976-60-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-63-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-65-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/3976-46-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-69-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/3976-74-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-77-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-78-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/3976-81-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-84-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-87-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-90-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3976-91-0x0000000000810000-0x00000000008B2000-memory.dmp

          Filesize

          648KB

        • memory/4624-7-0x0000000002240000-0x0000000002241000-memory.dmp

          Filesize

          4KB

        • memory/4624-50-0x0000000002240000-0x0000000002241000-memory.dmp

          Filesize

          4KB

        • memory/4624-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB