Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 06:05

General

  • Target

    dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe

  • Size

    3.6MB

  • MD5

    1ca1ff55a8c157cf50fe907aeb719868

  • SHA1

    4519688451ac3de92d55d38cbbce295ac63d6d83

  • SHA256

    dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2

  • SHA512

    d93eae4423870b1a6194e27ae88b5d5b645c24072e3cf94b24adf05d789697f2676815c3e041d3dc0a4ad74a070f4c11014e40b6d765d3cca8ed99c85b335afc

  • SSDEEP

    98304:N51qztzgRQNmg0xloL2dVYMZdzE2rxWcmGYIdu7:hQzgRd1xpVYMZhtWcmGtM

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 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.

  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe
    "C:\Users\Admin\AppData\Local\Temp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\is-V4EI8.tmp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V4EI8.tmp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp" /SL5="$7026E,3521184,54272,C:\Users\Admin\AppData\Local\Temp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2084
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3476

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-AVET7.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-V4EI8.tmp\dd844d21e086b8a4ea87dcac65e7f22d6322bafbac59afff5caefd84c0c439f2.tmp

          Filesize

          692KB

          MD5

          3e58a9d5830b25c2662c530eb10f9fd5

          SHA1

          de246ec71a420cb6097dad238df4194c6ea193cb

          SHA256

          da4b8d3ae61ebcfee90d1bf6990aefbc7e72a5648b823c88c3b2d6d7b5e5ecfb

          SHA512

          8cd131d67edd7058ae9d5b6686cfc986ecfb6b2c240f4b5d4241373ae553af4da35ea28a383cbbd84608c522743689afe4d4856be2a07edca002e7f2dd13281f

        • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe

          Filesize

          3.9MB

          MD5

          80b7e773631a8bdc76708bb9d6c1168b

          SHA1

          dd1f8e86211250fd5d3e20d12aea68d3b05d42a7

          SHA256

          1fd1c9fb91725e7480e582da3e7f1548ccb0b11fb84ccf85d8ab81f6936525f4

          SHA512

          80a4cbb2c33455c9491e1e60af79fbedb1d950d8a8de8d2ee2d5067f9573269ae823d610b4469a32a65ddd53287eae49b1e74f4311ce54a13ac13cc7d9e4eb68

        • memory/1976-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1976-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1976-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2084-52-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/2084-53-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/2084-55-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/2084-57-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-66-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-80-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-109-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-63-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-106-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-69-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-72-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-75-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-78-0x0000000002610000-0x00000000026B2000-memory.dmp

          Filesize

          648KB

        • memory/3476-60-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-85-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-88-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-91-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-94-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-97-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-100-0x0000000000400000-0x00000000007E0000-memory.dmp

          Filesize

          3.9MB

        • memory/3476-101-0x0000000002610000-0x00000000026B2000-memory.dmp

          Filesize

          648KB

        • memory/3476-102-0x0000000002610000-0x00000000026B2000-memory.dmp

          Filesize

          648KB

        • memory/4544-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4544-62-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB