Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/03/2024, 11:43

General

  • Target

    6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe

  • Size

    2.0MB

  • MD5

    81ff59064aee2985951585849fdb1e72

  • SHA1

    86e8537fdec1a12be3a79318ef37ac8137edcbea

  • SHA256

    6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171

  • SHA512

    8e7dcea7445b2f9ffd11991f700036a28f24df3d4b27b252dad829d844fefc25afdd2ce0b7112c71255421b4776b07e388d0d2f413f1177c6222b55e1fe2269d

  • SSDEEP

    49152:32wTpneykPmxLYSeue04pW3bJr7yOtXXJBdb5v/gDe7D:mwTpnHJYSupW31KQXxF3gDc

Malware Config

Extracted

Family

socks5systemz

C2

http://diszmur.info/search/?q=67e28dd86a5ca17c4108f81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9eb979f3b

http://diszmur.info/search/?q=67e28dd86a5ca17c4108f81b7c27d78406abdd88be4b12eab517aa5c96bd86ec908048865a8bbc896c58e713bc90c91836b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949b32c96d9316

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\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe
    "C:\Users\Admin\AppData\Local\Temp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4164
    • C:\Users\Admin\AppData\Local\Temp\is-LL2HL.tmp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LL2HL.tmp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp" /SL5="$5010A,1696724,54272,C:\Users\Admin\AppData\Local\Temp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:240
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3524

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

          7e7e6a14c9a33e1d872bdfcd6f01df79

          SHA1

          7e8e4ab16f34ca58187c6cc607c6762d575bf888

          SHA256

          c2d9b32599563008ad23cc524da0dc03eeabd0f5c75ad92fbc7993531125639a

          SHA512

          d6a68fa321637bdb596aafc92bbe5192e9a0bac2ebbb872fd551e01f2de939f9db2ca7765a124a864aaeb6613c7c86104111cfb0eeeab1be31adc323f328c668

        • C:\Users\Admin\AppData\Local\Temp\is-J5MP2.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-LL2HL.tmp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • memory/240-39-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/240-38-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/240-43-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/240-42-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/860-49-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/860-51-0x0000000002340000-0x0000000002341000-memory.dmp

          Filesize

          4KB

        • memory/860-7-0x0000000002340000-0x0000000002341000-memory.dmp

          Filesize

          4KB

        • memory/3524-54-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-70-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/3524-100-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-45-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-50-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-97-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-93-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/3524-55-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-58-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-61-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-64-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-66-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/3524-68-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-47-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-75-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-78-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-79-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/3524-82-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-85-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-88-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-91-0x0000000000400000-0x0000000000601000-memory.dmp

          Filesize

          2.0MB

        • memory/3524-92-0x0000000000A00000-0x0000000000AA2000-memory.dmp

          Filesize

          648KB

        • memory/4164-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4164-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4164-48-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB