Analysis

  • max time kernel
    149s
  • 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, 14:31

General

  • Target

    2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.exe

  • Size

    2.0MB

  • MD5

    4480d63a90a0688c746403e1619450e9

  • SHA1

    ea08f3f1433884829b85581e1af96e513ad732c1

  • SHA256

    2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518

  • SHA512

    5bcfe8490601f9706179d629007a35ff200f4f120a2beede02a09b85a61a80e87efde3dc5c88eb0837b9098cf7ffbf003d33500d315cc6e98ab2604c6c2fb89e

  • SSDEEP

    24576:320xgvrNSewSFhsA9UaMa2qvnB2ZV4Y5tPufQZ0zXHjHI/8oO74rlPVAxK/z9x+c:32h/s22qPDYmfNbHbQ/JPyxKfIz2ZhH

Malware Config

Extracted

Family

socks5systemz

C2

http://beboqnd.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0eb969c3e

http://beboqnd.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12eab517aa5c96bd86ec928648885a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983bc96c9013

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\2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.exe
    "C:\Users\Admin\AppData\Local\Temp\2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\is-J6J9K.tmp\2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-J6J9K.tmp\2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.tmp" /SL5="$110058,1788021,54272,C:\Users\Admin\AppData\Local\Temp\2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4312
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1132
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1916

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.1MB

          MD5

          85116302d8af3431e866b1a5d0cf5d5e

          SHA1

          09e15b963c590fb5054f1e1c84ecdc0ce2526a6d

          SHA256

          f20413a98b4094027921ed785672cebc78251a9977c572d0dd77804460734fe1

          SHA512

          957cb4a3b2017542ea4dc6e3903255f3de14a282c8a34ea244602fa91584a7965e594258ac86b0e1f323dcdd1b3f3fb33d65fdbe43d4747f1282d59e1cc6cfbc

        • C:\Users\Admin\AppData\Local\Temp\is-DBVO7.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-J6J9K.tmp\2b6d8240ec9d04c86a70334f9d04d47188a8962d7cccfe1553ba6e9e77040518.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • memory/1132-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1132-43-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1132-42-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1132-39-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-54-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-81-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-99-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-46-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-96-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-92-0x0000000000940000-0x00000000009E2000-memory.dmp

          Filesize

          648KB

        • memory/1916-49-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-91-0x0000000000940000-0x00000000009E2000-memory.dmp

          Filesize

          648KB

        • memory/1916-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-90-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-57-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-60-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-63-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-66-0x0000000000940000-0x00000000009E2000-memory.dmp

          Filesize

          648KB

        • memory/1916-67-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-69-0x0000000000940000-0x00000000009E2000-memory.dmp

          Filesize

          648KB

        • memory/1916-74-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-77-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-78-0x0000000000940000-0x00000000009E2000-memory.dmp

          Filesize

          648KB

        • memory/1916-87-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/1916-84-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3404-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3404-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3404-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4312-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/4312-50-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/4312-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB