Analysis

  • max time kernel
    143s
  • max time network
    128s
  • 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, 09:57

General

  • Target

    d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe

  • Size

    3.8MB

  • MD5

    985c983c80f9584809f7b2492414128c

  • SHA1

    3751e51aa1badf207741e3f5578c52696f9f01ad

  • SHA256

    d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290

  • SHA512

    7a988a01934a94d3e9d79ff9977114e252ab081220b70f1c73d1df9d7f98fdaabf2c0912e32d57a17ffe0ed4582aeda4bc26b2382948d624b9d6248710ead7c6

  • SSDEEP

    98304:N6mFN62H+FUqw9cRaialtNgLR+4C8OkPWbKwAEVkQkdRR:zFbH+FUqwcd+H8O8WbjACkd

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\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe
    "C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Users\Admin\AppData\Local\Temp\is-QJ7FQ.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QJ7FQ.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp" /SL5="$6011A,3708907,54272,C:\Users\Admin\AppData\Local\Temp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.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:4472
      • 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:5448
      • 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:5764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-LG7MJ.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-QJ7FQ.tmp\d98f0eb68bd38ebcbeea4657fc966e8326dfb6bae29c027413dedd8c06da6290.tmp

          Filesize

          692KB

          MD5

          d541b0e8d95d631badc9ff20ed59afdd

          SHA1

          617063202f52daa60cb4a04f505418b2e4778d18

          SHA256

          9450c883637e2515bfd934548aa48e6be252bf2ec7527e60f21ff3cb6a40afad

          SHA512

          edeaf7d0c0d6ec805f446f87684b18b5d9fbbd25af506824127e781c231d08357b0fc53dc2c103e89c170c00df6644d635ea0776cdb2b780ecc027e183bf9b6c

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

          Filesize

          4.0MB

          MD5

          eb127174a7c64ddd56edbcd093ec6157

          SHA1

          a76d43956139b7cc6378e6da90abe1944b2240c6

          SHA256

          75b2bf968f967f930d74b3d063d82b4535aaa169b02c5716a8da2b476f81bb7d

          SHA512

          a50005e6a61e380bda4c8dbbd330d8e2aaba53bdc433cbe83ce26720ac0b158b1a3fbebe7576f77a8be6a3caa6686daae46fc0a1cd3b8b214702198aa38fec7b

        • memory/3844-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3844-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3844-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4472-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4472-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/5448-52-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5448-53-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5448-55-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-68-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-87-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-65-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-59-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-71-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-74-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-77-0x00000000029D0000-0x0000000002A72000-memory.dmp

          Filesize

          648KB

        • memory/5764-81-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-84-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-62-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-90-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-93-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-96-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-99-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-100-0x00000000029D0000-0x0000000002A72000-memory.dmp

          Filesize

          648KB

        • memory/5764-101-0x00000000029D0000-0x0000000002A72000-memory.dmp

          Filesize

          648KB

        • memory/5764-105-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB

        • memory/5764-108-0x0000000000400000-0x000000000080B000-memory.dmp

          Filesize

          4.0MB