Analysis

  • max time kernel
    147s
  • max time network
    151s
  • 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, 18:38

General

  • Target

    84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe

  • Size

    4.0MB

  • MD5

    26e919b215eeba54937627f17ec4e60e

  • SHA1

    390cb27ee29d9814bbd33100895790dfe248750e

  • SHA256

    84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852

  • SHA512

    2a29be14349f85ffbcbf5f778d541dcfe7ab467006e16c07d8212df0e68e83df40210f1fa5856fd4ad6bbd5f13198e3c723a650c1c6c85c8c35feacce5fdae70

  • SSDEEP

    98304:NeagVB9uCJHOacJA05PNfjWsHTXKfSYG2q4EY85TIELOifdX:M7rtuTAUNf62Kf5GokTIJcV

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\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe
    "C:\Users\Admin\AppData\Local\Temp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5808
    • C:\Users\Admin\AppData\Local\Temp\is-8O3PR.tmp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8O3PR.tmp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp" /SL5="$502D2,3903618,54272,C:\Users\Admin\AppData\Local\Temp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.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:5252
      • 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:2312
      • 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:644

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-8O3PR.tmp\84e56844319b73a8cecc032ee5a2bc6e36a8b831ac485a26c5583c4bd04de852.tmp

          Filesize

          692KB

          MD5

          00f15ee57af82fc40ac1ec609d1810a4

          SHA1

          6abfae4f73ade5af54d267c02389daf49abd6a51

          SHA256

          20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847

          SHA512

          f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

        • C:\Users\Admin\AppData\Local\Temp\is-MAS59.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-MAS59.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

          e2099621bd811ea61eba08f1ac9af405

          SHA1

          22ff0f7a1aa4d31dcc1908c1073edaf79162d911

          SHA256

          526edf006993b34e8b8f00dfbd91b8489b660bf2ff3ec44b293fcbead9cbe383

          SHA512

          abeafd38b8bcdcf62cd1b2e4fcc6835bd2ad0ae1ce77ed021a707a2b9aa96b866dfa15f2861b78c6e1ccf8753bc196aa8fc5720424d7ed8d6aa3d5be7a0594bb

        • memory/644-97-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-80-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-119-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-116-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-112-0x0000000000AC0000-0x0000000000B62000-memory.dmp

          Filesize

          648KB

        • memory/644-111-0x0000000000AC0000-0x0000000000B62000-memory.dmp

          Filesize

          648KB

        • memory/644-110-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-66-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-67-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-107-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-104-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-70-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-74-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-73-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-77-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-101-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-83-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-85-0x0000000000AC0000-0x0000000000B62000-memory.dmp

          Filesize

          648KB

        • memory/644-89-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-94-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/644-98-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/2312-63-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/2312-61-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/2312-58-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/2312-59-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/5252-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/5252-69-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/5808-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/5808-68-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/5808-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB