Analysis

  • max time kernel
    147s
  • 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, 16:00

General

  • Target

    3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.exe

  • Size

    4.0MB

  • MD5

    ba19e63ea676297421cf4cac31d288af

  • SHA1

    4f24a369b3125add05bcf9e79c2341420bbc665c

  • SHA256

    3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5

  • SHA512

    dbae77df17952dcaf9155845678ab930c5f3d95a9e7e48e70a85274a9441931f040b2e0efbe84972603b062d54d5afce4d864678d24db47670b2b4be50f0502b

  • SSDEEP

    98304:NRIrXwT7F5rh8hVqSQVNSuPCQUL+NeV57oJiFEUFSZfEPHHKd0dX:IDG9egSQVNqacT8gL6fmKqV

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\3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.exe
    "C:\Users\Admin\AppData\Local\Temp\3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\AppData\Local\Temp\is-HM2AD.tmp\3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HM2AD.tmp\3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.tmp" /SL5="$5021A,3909740,54272,C:\Users\Admin\AppData\Local\Temp\3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.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:1296
      • 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:1452
      • 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:4840

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-HM2AD.tmp\3be566a870ec4776e4880b40de406205d65719e8dc4179fdbf7f3615979d92f5.tmp

          Filesize

          692KB

          MD5

          00f15ee57af82fc40ac1ec609d1810a4

          SHA1

          6abfae4f73ade5af54d267c02389daf49abd6a51

          SHA256

          20fea1e5fc629afb3a4f3aa818e7c00c66b692e2d6180c7ba64a246fd9d5d847

          SHA512

          f9ab66c722b37cdb96f1a547a2c2d1c870b4966f27fee269bf65d47a506c2fcb0eab1ac168d0b4246ec336b23694d3c675d5be48f3338b79b76407c31cdad24c

        • C:\Users\Admin\AppData\Local\Temp\is-V8QLR.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-V8QLR.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

          ef6b2cd4b535859967966fb8af35501a

          SHA1

          de8a6caef509b3841f4bd19876d68466dcef9a36

          SHA256

          0629e09b416183f8122006f6aae67658d68887a8d2f1e1079bd5b833cd613f11

          SHA512

          b9efb3cd5b4dce9f463c2243710b5709efcc87baec22fdde62f2acf543de66a7350ac6acf339cbf3e9edc415a2e3fe1d6709008b405547bbb44e5b0218b06389

        • memory/1296-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1296-68-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1452-58-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1452-59-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1452-61-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/1836-67-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1836-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1836-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4840-73-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-87-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-69-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-72-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-64-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-76-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-79-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-82-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-83-0x0000000000A80000-0x0000000000B22000-memory.dmp

          Filesize

          648KB

        • memory/4840-66-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-93-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-96-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-99-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-102-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-105-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-108-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-109-0x0000000000A80000-0x0000000000B22000-memory.dmp

          Filesize

          648KB

        • memory/4840-110-0x0000000000A80000-0x0000000000B22000-memory.dmp

          Filesize

          648KB

        • memory/4840-114-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB

        • memory/4840-117-0x0000000000400000-0x000000000074A000-memory.dmp

          Filesize

          3.3MB