Analysis

  • max time kernel
    143s
  • max time network
    132s
  • 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, 08:19

General

  • Target

    5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe

  • Size

    4.0MB

  • MD5

    d262d4d39c160e8b1f19a656c8b3a933

  • SHA1

    ab47c7149ac440e0f633529bc305b12487c7624b

  • SHA256

    5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867

  • SHA512

    ffa7c43394774e043a1808b39f5cdbd7def57bfa21880a7caf1a220676c8059dffc40eeb46826160ad274628012c20cd3172ce366053d4406e23e0d59885fc8f

  • SSDEEP

    98304:NiKTHvmlglk1ORB9PTnsd71hS/EB0rLMioW0/LKsDiUfpNaS1KldRR:cKTPmlga1mZsBWLiW0DNf7Ad

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe
    "C:\Users\Admin\AppData\Local\Temp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Users\Admin\AppData\Local\Temp\is-PB949.tmp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PB949.tmp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp" /SL5="$A0056,3970366,54272,C:\Users\Admin\AppData\Local\Temp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.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:4000
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4556
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-M49JH.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-PB949.tmp\5458fad1cce419b174b90b38d788ec14fc0a8fe079141a6ee2a87575f5bd4867.tmp

          Filesize

          692KB

          MD5

          d541b0e8d95d631badc9ff20ed59afdd

          SHA1

          617063202f52daa60cb4a04f505418b2e4778d18

          SHA256

          9450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad

          SHA512

          edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c

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

          Filesize

          4.2MB

          MD5

          3f924dfe0263fae61e738cbe5fe4c67f

          SHA1

          003204c0f580addcc1547c4adcca5322a296988a

          SHA256

          ea6598872c1bfc8e063c874b29a4f62c3406e1c08062b9de21b0dd3835d1dcc2

          SHA512

          649598b59487b68c57e8db0d0d0bb412facb2aa4a56ca517063fc2e9f0cc4b250c9a608506538424d9169d6d7d803d75f0fea797443bca448a0f7bb475e765ef

        • memory/4000-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4000-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4036-87-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-96-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-108-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-105-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-101-0x0000000000A30000-0x0000000000AD2000-memory.dmp

          Filesize

          648KB

        • memory/4036-59-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-100-0x0000000000A30000-0x0000000000AD2000-memory.dmp

          Filesize

          648KB

        • memory/4036-99-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-62-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-65-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-68-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-71-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-74-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-77-0x0000000000A30000-0x0000000000AD2000-memory.dmp

          Filesize

          648KB

        • memory/4036-81-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-84-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-93-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4036-90-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4556-52-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4556-56-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4556-55-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4556-53-0x0000000000400000-0x000000000083F000-memory.dmp

          Filesize

          4.2MB

        • memory/4812-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4812-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/4812-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB