Analysis

  • max time kernel
    142s
  • max time network
    128s
  • 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, 20:12

General

  • Target

    f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe

  • Size

    4.2MB

  • MD5

    2bad32391d6af7cc5e4c788029477a17

  • SHA1

    5e885a068de6fd262c7e8b13d8858bd066b2bc7c

  • SHA256

    f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8

  • SHA512

    afa64d669cdae3a8f44cf8f1f9faac24ff0e62576f238e49ea3e4d1b4e149feb15fcb90b52efcfc21868c52e843c59253955b5267c4e3204cf8e26069bb2bbce

  • SSDEEP

    98304:Nkr4u1OwGtYwDMUXl3QxK/vylQeulzXUZO4sbSf8z6mA2/vsdX:6r4GOwH8B4K/vx35COa8Os3sV

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 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\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe
    "C:\Users\Admin\AppData\Local\Temp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Users\Admin\AppData\Local\Temp\is-QDE7E.tmp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QDE7E.tmp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp" /SL5="$70062,4083850,54272,C:\Users\Admin\AppData\Local\Temp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.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:3604
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1164
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4752

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-68EIE.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-68EIE.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • C:\Users\Admin\AppData\Local\Temp\is-QDE7E.tmp\f30239f410673cde2c95008e073d2266296739ccec92c489c03a961a925b2ac8.tmp

          Filesize

          692KB

          MD5

          00f15ee57af82fc40ac1ec609d1810a4

          SHA1

          6abfae4f73ade5af54d267c02389daf49abd6a51

          SHA256

          20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847

          SHA512

          f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

        • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe

          Filesize

          3.5MB

          MD5

          f0a76b2284c9587e5433b27cf01b7e2c

          SHA1

          1d34200a8b7d493b74c3eec34b8d99bbbd2a376b

          SHA256

          66f43c2f112690819f6da6ae755f177416bc52518c08d2ba4e2a4d8240578b59

          SHA512

          2d838d7a32cf47277e9c084cef6b75032986ef458f3d838838a3c44085928a8388fbecdac4c871ed32b503181854dbc8d4d78558d1e6dcc18cffe9e71c376e72

        • memory/1164-58-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/1164-59-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/1164-62-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/3604-67-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3604-13-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3860-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3860-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3860-66-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4752-71-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-93-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-65-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-74-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-77-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-80-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-81-0x0000000000A40000-0x0000000000AE2000-memory.dmp

          Filesize

          648KB

        • memory/4752-85-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-90-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-68-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-96-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-99-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-102-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-105-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-106-0x0000000000A40000-0x0000000000AE2000-memory.dmp

          Filesize

          648KB

        • memory/4752-107-0x0000000000A40000-0x0000000000AE2000-memory.dmp

          Filesize

          648KB

        • memory/4752-111-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB

        • memory/4752-114-0x0000000000400000-0x000000000077B000-memory.dmp

          Filesize

          3.5MB