Analysis

  • max time kernel
    147s
  • max time network
    156s
  • 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, 13:29

General

  • Target

    5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe

  • Size

    4.0MB

  • MD5

    12acd8936e0389108ac79690f61bcab1

  • SHA1

    85e153cfe9c4395ada3b80e60b6479cc070e55a4

  • SHA256

    5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752

  • SHA512

    626916461a65950123216fa2d53697e1048671f6fcb28b922a0546b6c331d6e4702a73be4e758bf32ded81055b25b4d66dc736a624fdd8d8de5d9af7bef6d311

  • SSDEEP

    98304:N5aTctMFL1IPN9eHq9I/x1FtqcXv0hrP7VGHjdh:3GDQN8Hq9iPjDXslRGHjL

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\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe
    "C:\Users\Admin\AppData\Local\Temp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\is-IFHA6.tmp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IFHA6.tmp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp" /SL5="$701CE,3953905,54272,C:\Users\Admin\AppData\Local\Temp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.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:3528
      • 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:4356
      • 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:1168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-IFHA6.tmp\5d8b3539e8c7e157d6970513cdf14795c7fc82833489ad25b60c1dfb136af752.tmp

          Filesize

          692KB

          MD5

          4a034cc8809b92775041cc5a46c52ab0

          SHA1

          3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d

          SHA256

          4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60

          SHA512

          e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6

        • C:\Users\Admin\AppData\Local\Temp\is-TSVD8.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-TSVD8.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

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

          Filesize

          3.2MB

          MD5

          1558873749566fba378cb126e4b677f4

          SHA1

          659bd8e9ad641b185d1e8c56d21e1c814fea5f31

          SHA256

          d7591cb9d9155615aa2663d011e7e70654387be49adfab856ec1b711eb238775

          SHA512

          d6f93e649602518af03d0977ec6bfc58404c288a28471a92acdee671bef283a1908f6c7947bbc0059717bb6134df6acd1571cf4fbd68b7f2f16c807aad4b1a98

        • memory/1168-98-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-76-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-116-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-113-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-109-0x00000000009B0000-0x0000000000A52000-memory.dmp

          Filesize

          648KB

        • memory/1168-108-0x00000000009B0000-0x0000000000A52000-memory.dmp

          Filesize

          648KB

        • memory/1168-107-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-66-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-104-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-101-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-69-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-72-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-75-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-95-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-79-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-82-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-85-0x00000000009B0000-0x0000000000A52000-memory.dmp

          Filesize

          648KB

        • memory/1168-89-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/1168-92-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/3528-7-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3528-68-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4260-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4260-67-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4260-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/4356-63-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/4356-60-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/4356-59-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB

        • memory/4356-58-0x0000000000400000-0x0000000000739000-memory.dmp

          Filesize

          3.2MB