Analysis

  • max time kernel
    142s
  • max time network
    129s
  • 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, 14:31

General

  • Target

    1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe

  • Size

    3.9MB

  • MD5

    62916e4479196a837e32bc2534b1fe6d

  • SHA1

    d05c582a27f52931a91c81392a57769e3e92e30d

  • SHA256

    1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a

  • SHA512

    fc3f303bee785ffb645c9f44ca146d81f4a3814893e3b03e5253469b09f878e24c35b0c993da76f42fd8a8a1f6acc3e53f8b50ee2b1ac3c082ea17c79720ee87

  • SSDEEP

    98304:NMk9lpOJ+7dpoj2XiGvkTJczRGm0qANhU07HG3/opqmm5XcK5u4DBF/nzlc0VPz5:uApfAgvo6a7So8PXcK5fDfzmyPzd3bL

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe
    "C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp" /SL5="$140052,3830957,54272,C:\Users\Admin\AppData\Local\Temp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.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:3428
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4144
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2024

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-0F0H6.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-0F0H6.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • C:\Users\Admin\AppData\Local\Temp\is-LFS6C.tmp\1d342fa6e264042e46ffb48cd98f1ec583b8b9bf1804f3f171c566c88107874a.tmp

          Filesize

          692KB

          MD5

          4a034cc8809b92775041cc5a46c52ab0

          SHA1

          3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d

          SHA256

          4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60

          SHA512

          e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6

        • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe

          Filesize

          3.1MB

          MD5

          6d98dfe278f49528755f954930eb5a32

          SHA1

          049d642eca2f3af58f2a7c3941b6332c232e2f17

          SHA256

          f9b74648c3ea6dcc5f39f3103c00c7a9109680e268fbcca63f03e24e7c269df2

          SHA512

          9831b995f195ae14f462a56313f9855c57fcae92c946d30ef7d412de79747368aeef4388f89e929dc5941fdfe272db2f005d0fe9c8a88c31102e2acea47c2042

        • memory/2024-91-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-78-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-113-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-110-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-106-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-103-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-100-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-66-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-97-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-94-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-69-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-72-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-75-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-88-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-81-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/2024-84-0x00000000009D0000-0x0000000000A72000-memory.dmp

          Filesize

          648KB

        • memory/2088-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2088-67-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2088-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3428-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3428-68-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4144-61-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/4144-63-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/4144-59-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB

        • memory/4144-58-0x0000000000400000-0x0000000000715000-memory.dmp

          Filesize

          3.1MB