Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/03/2024, 15:24

General

  • Target

    6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe

  • Size

    2.0MB

  • MD5

    245feb1863027e245b3de9957ae20ae6

  • SHA1

    17ca0ff141577f13e1c5194c03f49c894037a709

  • SHA256

    6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5

  • SHA512

    0f0470294de37c2988c66b0268f85108e5c4f641d6df0beba6198e1d60401fd992929c158f20aacc515af192af1a2ca2a27cf8f4a599fd840c38010c5b19c2e9

  • SSDEEP

    49152:326cyROWJGguankmaHmFxdPr9Pz/I4pHCH:mFyLYAkmaGBPJzCH

Malware Config

Extracted

Family

socks5systemz

C2

http://bwwkjni.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c0e8909e39

Signatures

  • Detect Socks5Systemz Payload 3 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\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe
    "C:\Users\Admin\AppData\Local\Temp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\is-1IN50.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1IN50.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp" /SL5="$50236,1751749,54272,C:\Users\Admin\AppData\Local\Temp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4360
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3960

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

          5bf4fd07283eb6ab99dadb779af6cbe3

          SHA1

          cff589efc4d760fec33f34a020ef864769c342c4

          SHA256

          ffc409757222843c77e68c2b1b933abfd33d21fb8b6989b8ea440170f411d7ec

          SHA512

          c365399a280a178065fbbff01406b21489af50b51a61f1774fca5155ea013819ff601c9d2c7b4caa049c696a815b19a4bfbb3fa7bbaaf4cc052c0ee4f652534a

        • C:\Users\Admin\AppData\Local\Temp\is-1IN50.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • C:\Users\Admin\AppData\Local\Temp\is-G1BGL.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/1576-7-0x0000000002440000-0x0000000002441000-memory.dmp

          Filesize

          4KB

        • memory/1576-50-0x0000000002440000-0x0000000002441000-memory.dmp

          Filesize

          4KB

        • memory/1576-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2524-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2524-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2524-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3960-77-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-65-0x0000000000A10000-0x0000000000AB2000-memory.dmp

          Filesize

          648KB

        • memory/3960-97-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-94-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-49-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-90-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-53-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-54-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-57-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-60-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-63-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-46-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-67-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-69-0x0000000000A10000-0x0000000000AB2000-memory.dmp

          Filesize

          648KB

        • memory/3960-74-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-87-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-78-0x0000000000A10000-0x0000000000AB2000-memory.dmp

          Filesize

          648KB

        • memory/3960-81-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3960-84-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-39-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-42-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-43-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4360-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB