Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2024, 12:47

General

  • Target

    af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe

  • Size

    2.0MB

  • MD5

    81a85f3125aefa6f06649cbf53136988

  • SHA1

    ee72a132008d3d1394bb8c00c534014748edf94a

  • SHA256

    af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636

  • SHA512

    e35e322759210c09797a2f0079c2e35c498a278d3a9eaf4e5dcccd8c834828e0d0fb1b2cc3630b76b4b373f3b3e5be252fe0fba65254fd2b9e68f73cb8ae4bf4

  • SSDEEP

    49152:32JBpBDCRjWetUW7NUN3/qLr2CQzB2qaQoe7D:mzpBD2aetUcUN3/ACzpKc

Malware Config

Extracted

Family

socks5systemz

C2

http://bubrhoq.com/search/?q=67e28dd8655ba479120da84d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9e7959232

http://bubrhoq.com/search/?q=67e28dd8655ba479120da84d7c27d78406abdd88be4b12eab517aa5c96bd86e590864496148ab2865b77f80ebad9c70f7cb63037ed2ab423a4654383ba915d911ec07bb106a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1ee949333cd679f

Signatures

  • Detect Socks5Systemz Payload 5 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
    "C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Users\Admin\AppData\Local\Temp\is-FRPNQ.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FRPNQ.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp" /SL5="$60068,1784413,54272,C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2160
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3028

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe

          Filesize

          2.0MB

          MD5

          e0be643656cf2b26337e1c880860a0ff

          SHA1

          4b142324fce15d65ac607d14b3cc736ad06ec4db

          SHA256

          85f81ec4027dfa1ecadc0cd91ba941563a034abd95f198bae8ed4c1921546483

          SHA512

          e7bf1495f8aae0fcbe4c84c79e852687fc7206d296f4bc1c69a64e94f3db1495ece04a8a39fb0d9db193c1accce42e340f7db427b73dcb06ec76ce57877b3ab1

        • C:\Users\Admin\AppData\Local\Temp\is-CKQ72.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-FRPNQ.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/1156-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/1156-50-0x0000000002330000-0x0000000002331000-memory.dmp

          Filesize

          4KB

        • memory/1156-7-0x0000000002330000-0x0000000002331000-memory.dmp

          Filesize

          4KB

        • memory/2160-38-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/2160-39-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/2160-43-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/2160-40-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-54-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-81-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-46-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-49-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-99-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-53-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-96-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-57-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-60-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-63-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-65-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/3028-68-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-69-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/3028-74-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-77-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-78-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/3028-92-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/3028-84-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-87-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-90-0x0000000000400000-0x000000000060A000-memory.dmp

          Filesize

          2.0MB

        • memory/3028-91-0x00000000008B0000-0x0000000000952000-memory.dmp

          Filesize

          648KB

        • memory/4688-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4688-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4688-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB