Analysis

  • max time kernel
    146s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 02:21

General

  • Target

    92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe

  • Size

    2.2MB

  • MD5

    7447d5db9ccf93f6a8ecf22ae9fec082

  • SHA1

    0c3a044c669e1cce8e6d9ec103a9d3e587fa1acb

  • SHA256

    92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269

  • SHA512

    a8761937c73267aeeefb6093903c74c8e8119e65632e1130cb77617f4cf53c8a4a8f177cd464fe849b455bf430f28599d6433f2350fb5b348afa10f5070d0461

  • SSDEEP

    49152:32DbrhTeTjpdvbXKGJ1X2nIIT6yXaHs4NgJH:mDbrMjpdjJTX2n+VM4NgJH

Malware Config

Extracted

Family

socks5systemz

C2

http://bxsdkid.com/search/?q=67e28dd86a55a428420bf81f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f371ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc12c3e897

Signatures

  • Detect Socks5Systemz Payload 2 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe
    "C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\is-11JL5.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-11JL5.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp" /SL5="$70120,1943765,54272,C:\Users\Admin\AppData\Local\Temp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2692
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.8MB

          MD5

          2902e1b1d65884df7b424f602886c367

          SHA1

          d0060f22285dccf537768915c53db280d3422334

          SHA256

          a95cdb185a808c9e7084aad6e46e0411dc498e1590d8d7fe8b3571a9e2c104bc

          SHA512

          97b0f1cc4a27e2da22b322bbf1d11bce325a031e83203ff2416dce1ed42cc532faddb80e289567808fc229c718c44432da54f2c4919f23b3de1c2a42b83dc505

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

          Filesize

          2.2MB

          MD5

          4fb7c9f8330a5f6e5c1fd0b95f4bcebe

          SHA1

          e634bf322484061ef0bc5e32714c3f239b1142d5

          SHA256

          9e88759b12e04e21199bb9c536f5a0f56ca9e291fad87270573e94de1d79eb9d

          SHA512

          9eecf2791448a3020292fe7a90fb0966a21433f03ff9b4bf57ff5ed8f71b6cfdae985978a7547e3fd336ae9fa51f788841f9308bb264fcd0256121fb4b9ee46e

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

          Filesize

          1.3MB

          MD5

          bdc5bf6cf5f39c227e52b7cfd5994b02

          SHA1

          25b6aefae884c3f4449b883e9608402a457b2cd8

          SHA256

          30048447826cccefe852aba9427ae78b137b5dd934b95042a253c95999af4ef9

          SHA512

          4338163b36a29982ea3668088b06f998e128ebaae971cbb06aee908cdd8ddb71d4b9954ae8b3104547ef6da3c308bfc9f118fcdc5dda6ea108563b3077c1ecf1

        • \Users\Admin\AppData\Local\Temp\is-11JL5.tmp\92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • \Users\Admin\AppData\Local\Temp\is-N6F2O.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-N6F2O.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2208-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2208-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2572-92-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-56-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-95-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-101-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-82-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-51-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-53-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-104-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-89-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-98-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-88-0x00000000022E0000-0x0000000002382000-memory.dmp

          Filesize

          648KB

        • memory/2572-85-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-61-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-64-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-65-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-68-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-71-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-74-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2572-76-0x00000000022E0000-0x0000000002382000-memory.dmp

          Filesize

          648KB

        • memory/2692-45-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2692-49-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2692-46-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2692-44-0x0000000000400000-0x0000000000639000-memory.dmp

          Filesize

          2.2MB

        • memory/2960-58-0x00000000034F0000-0x0000000003729000-memory.dmp

          Filesize

          2.2MB

        • memory/2960-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2960-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2960-42-0x00000000034F0000-0x0000000003729000-memory.dmp

          Filesize

          2.2MB

        • memory/2960-9-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB