Analysis

  • max time kernel
    292s
  • max time network
    297s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30/05/2024, 23:14

General

  • Target
    8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.exe
  • Size 5.0MB
  • Sample240530-2733eade9y
  • SHA256 8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 2 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.exe
    "C:\Users\Admin\AppData\Local\Temp\8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\is-V4FE9.tmp\8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V4FE9.tmp\8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.tmp" /SL5="$70086,4955630,54272,C:\Users\Admin\AppData\Local\Temp\8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3808
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2040
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2140

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-V4FE9.tmp\8f413266e2d8a47033cfcc1a7decb7abcb0ab27ff259881365336172c376b598.tmp
        • Size 680KB
        • SHA256 0e395d8950d6371ec40a3f490eb1de370ed669b679de607726d0904f8cfb4672
        • MD5 SHA1 SHA512 SSDEEP

        turquoisecdplayer.exe

        • Path C:\Users\Admin\AppData\Local\Turquoise CD Player\turquoisecdplayer.exe
        • Size 3.2MB
        • SHA256 ae49ec33162621040d5fee924a8fa0da3b52274912137c07dfd2a97e1107e414
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path \Users\Admin\AppData\Local\Temp\is-CN7PM.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        memory/1768-67-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/1768-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/1768-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2040-59-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2040-60-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2040-64-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-78-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-97-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-69-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-72-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-75-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-128-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-81-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-83-0x00000000008D0000-0x0000000000972000-memory.dmp

        memory/2140-86-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-91-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-94-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-125-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-100-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-103-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-106-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-109-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-112-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-115-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-119-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/2140-122-0x0000000000400000-0x0000000000730000-memory.dmp

        memory/3808-68-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/3808-12-0x0000000000400000-0x00000000004BA000-memory.dmp