Analysis

  • max time kernel
    142s
  • max time network
    137s
  • 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, 08:51

General

  • Target

    8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe

  • Size

    3.8MB

  • MD5

    b47685aa41c0b826dd6b0ac8a51d073c

  • SHA1

    b3961d843dcc80be6374871697d915d12cb32c00

  • SHA256

    8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da

  • SHA512

    654c293d94fc79c91e1939c75c2c1019b044aafd2c5d8925c8c5282c2ad363c402e74d652427af2b0ca6961a1547045f567fee99e0ea6322feabf8659707f503

  • SSDEEP

    98304:Nm9NOadwPhiGUlS1g8eFvTK9c4t9EGE0UfEjiFFedRR:89OQdOgnctaHEjiFAd

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\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe
    "C:\Users\Admin\AppData\Local\Temp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Users\Admin\AppData\Local\Temp\is-PGVD5.tmp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PGVD5.tmp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp" /SL5="$6023E,3725716,54272,C:\Users\Admin\AppData\Local\Temp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.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:5092
      • 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:1876
      • 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:400

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-5BVO5.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-PGVD5.tmp\8e13e4236f6d114ea5e1653149b184caf9d761a3e964aad0b9149ac401d5a4da.tmp

          Filesize

          692KB

          MD5

          d541b0e8d95d631badc9ff20ed59afdd

          SHA1

          617063202f52daa60cb4a04f505418b2e4778d18

          SHA256

          9450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad

          SHA512

          edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c

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

          Filesize

          4.0MB

          MD5

          dad988e230d61db78015b5675909854a

          SHA1

          9498387f243102a166e0a1b9cc13aefb4cfb84e7

          SHA256

          5bb318cf7e15c8043ca54da809d3418f761c0c38f356b028dd60541278ada3e9

          SHA512

          8a05347774d50f89a76298b40f4e6fe9d1f8d91c6ce73ae0dd85fa00888a7e97de80636ae08d4e4a159bec34c9fcf87ac70149048a35b597ca0cadc7bca31fb8

        • memory/400-90-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-93-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-108-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-105-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-101-0x0000000000B00000-0x0000000000BA2000-memory.dmp

          Filesize

          648KB

        • memory/400-100-0x0000000000B00000-0x0000000000BA2000-memory.dmp

          Filesize

          648KB

        • memory/400-59-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-99-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-96-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-62-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-65-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-68-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-71-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-74-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-77-0x0000000000B00000-0x0000000000BA2000-memory.dmp

          Filesize

          648KB

        • memory/400-79-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-84-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/400-87-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/1876-56-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/1876-53-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/1876-52-0x0000000000400000-0x000000000080F000-memory.dmp

          Filesize

          4.1MB

        • memory/3172-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3172-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3172-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/5092-13-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/5092-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB