Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/06/2024, 07:16

General

  • Target
    c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.exe
  • Size 6.3MB
  • Sample240606-h3slbsbb71
  • SHA256 c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2
  • MD5 SHA1 SHA512 SSDEEP

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.

  • 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\c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.exe
    "C:\Users\Admin\AppData\Local\Temp\c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\is-V6BD7.tmp\c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V6BD7.tmp\c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.tmp" /SL5="$40238,6303935,54272,C:\Users\Admin\AppData\Local\Temp\c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone.exe
        "C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2404
      • C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone.exe
        "C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        consoledictaphone.exe

        • Path C:\Users\Admin\AppData\Local\Console Dictaphone\consoledictaphone.exe
        • Size 4.7MB
        • SHA256 ba83397afe36b8ee35db9bd57afffaf44b8014e5d40f34b131a0f488f30c56d0
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-7SMND.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-V6BD7.tmp\c3e158ae1611022a7d616c5d951ba4871d7773a4e22a53ccc57e60e0c7c8ced2.tmp
        • Size 680KB
        • SHA256 2ea97ea2c88936f3adc60180d9ea2f7b188473c9ec8c76b68c1d2262b50790d6
        • MD5 SHA1 SHA512 SSDEEP

        memory/2404-60-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/2404-63-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/2404-65-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/2404-59-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/2492-70-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2492-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3608-13-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/3608-71-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/3856-76-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-91-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-72-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-75-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-68-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-79-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-82-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-85-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-88-0x0000000000B90000-0x0000000000C32000-memory.dmp

        memory/3856-69-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-96-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-99-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-102-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-105-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-108-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-111-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-112-0x0000000000B90000-0x0000000000C32000-memory.dmp

        memory/3856-113-0x0000000000B90000-0x0000000000C32000-memory.dmp

        memory/3856-117-0x0000000000400000-0x00000000008AB000-memory.dmp

        memory/3856-120-0x0000000000400000-0x00000000008AB000-memory.dmp