Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 23:45

General

  • Target
    LisectAVT_2403002A_171.exe
  • Size 2.2MB
  • Sample240724-3rr6msvbjl
  • SHA256 f628b63f5984e44746bbfa5cc79d2a8fc61e366178bf7cf7ac9d454714f42886
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • ejzndiv.ua

  • http://ejzndiv.ua/search/?q=67e28dd86f09f028115da4497c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608cfe19c6eb929339

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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_171.exe
    "C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_171.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\is-3IQQ8.tmp\LisectAVT_2403002A_171.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3IQQ8.tmp\LisectAVT_2403002A_171.tmp" /SL5="$501F4,1943765,54272,C:\Users\Admin\AppData\Local\Temp\LisectAVT_2403002A_171.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4480
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        colorpicker.exe

        • Path C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        • Size 2.2MB
        • SHA256 9e88759b12e04e21199bb9c536f5a0f56ca9e291fad87270573e94de1d79eb9d
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-0BR9F.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        LisectAVT_2403002A_171.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-3IQQ8.tmp\LisectAVT_2403002A_171.tmp
        • Size 677KB
        • SHA256 405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
        • MD5 SHA1 SHA512 SSDEEP

        memory/1776-75-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-59-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-94-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-91-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-87-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-84-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-81-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-47-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-78-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-72-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-50-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-53-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-56-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-65-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-62-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/1776-66-0x0000000000880000-0x0000000000922000-memory.dmp

        memory/3572-7-0x0000000000400000-0x00000000004B8000-memory.dmp

        memory/3572-49-0x0000000000400000-0x00000000004B8000-memory.dmp

        memory/4304-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/4304-48-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/4304-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/4480-44-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/4480-39-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/4480-40-0x0000000000400000-0x0000000000639000-memory.dmp

        memory/4480-38-0x0000000000400000-0x0000000000639000-memory.dmp