Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/08/2024, 22:18

General

  • Target

    d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.exe

  • Size

    4.0MB

  • MD5

    297330d1095ae446a29efd9509de515f

  • SHA1

    c9e91715b893f6219ca7cb85c3328f486807a216

  • SHA256

    d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd

  • SHA512

    98309a15827bd1b71be485e312d33153d5ee4e34da4c6e9b9a0688fe6da50f30a67bb2b8ebbad635695fa20e9037118dfec92eaf7715d4780d00f2665bb2bdf1

  • SSDEEP

    98304:NkID/YI5urbhVm82iRqok4PqKnzP1RsQ/3p3G1DOPdX:iIMhm8Nq/4PFnpydMV

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\d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.exe
    "C:\Users\Admin\AppData\Local\Temp\d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\is-HAL7A.tmp\d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HAL7A.tmp\d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.tmp" /SL5="$60068,3916407,54272,C:\Users\Admin\AppData\Local\Temp\d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.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:4080
      • 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:1180
      • 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:3316

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-HAL7A.tmp\d6ac8e08c8928c39aac5d5e799b392893ff7947e4a5f65c5a19acb0236f1edcd.tmp

          Filesize

          692KB

          MD5

          00f15ee57af82fc40ac1ec609d1810a4

          SHA1

          6abfae4f73ade5af54d267c02389daf49abd6a51

          SHA256

          20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847

          SHA512

          f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

          Filesize

          3.3MB

          MD5

          1b4cfaa05dd143072d3247f9d002ec48

          SHA1

          ae9a9eecfc461917b69416401db95ea627987a01

          SHA256

          64c828f7dcb9dd334f3ecff137a6b286fc97211a778ada6c6e2303963b324eb8

          SHA512

          fc0324ba8d03ec6ab6f4fe3ecde7499ecbc3b26dc6f21f2f13a7a81ddcea7f6669cd2aff3065c741bf625bda457b99a4fdad5b9171954fd76c2a8760d6f08690

        • memory/1180-59-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1180-62-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1180-61-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1180-58-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1200-66-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1200-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1200-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3316-72-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-92-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-116-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-68-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-71-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-113-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-75-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-78-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-81-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-84-0x0000000000B20000-0x0000000000BC2000-memory.dmp

          Filesize

          648KB

        • memory/3316-86-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-65-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-95-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-98-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-101-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-104-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-107-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/3316-108-0x0000000000B20000-0x0000000000BC2000-memory.dmp

          Filesize

          648KB

        • memory/3316-109-0x0000000000B20000-0x0000000000BC2000-memory.dmp

          Filesize

          648KB

        • memory/4080-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4080-67-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB