Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2024, 01:24

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://buerydh.com/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c2e69c9b38

http://buerydh.com/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12eab517aa5c96bd86e8968645835a8bbc896c58e713bc90c91c36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949939c4669715

Signatures

  • Detect Socks5Systemz Payload 4 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:3232
    • C:\Users\Admin\AppData\Local\Temp\is-5P2KG.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5P2KG.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp" /SL5="$C005C,1751749,54272,C:\Users\Admin\AppData\Local\Temp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4216
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3440
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1240
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=736 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2004

    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-5P2KG.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp

            Filesize

            677KB

            MD5

            d394fc26de69f06950dc1c71959b0261

            SHA1

            7c9448fc3582f19763eaa8e3c5383b7873aee017

            SHA256

            405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

            SHA512

            63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

          • C:\Users\Admin\AppData\Local\Temp\is-CLBE9.tmp\_isetup\_iscrypt.dll

            Filesize

            2KB

            MD5

            a69559718ab506675e907fe49deb71e9

            SHA1

            bc8f404ffdb1960b50c12ff9413c893b56f2e36f

            SHA256

            2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

            SHA512

            e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

          • memory/1240-77-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/1240-63-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-98-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-95-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-91-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/1240-90-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/1240-89-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-46-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-86-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-83-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-49-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-57-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-53-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-54-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-60-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-76-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-80-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-66-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/1240-67-0x0000000000910000-0x00000000009B2000-memory.dmp

            Filesize

            648KB

          • memory/1240-73-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3232-0-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3232-47-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3232-2-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/3440-43-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3440-42-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3440-39-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/3440-38-0x0000000000400000-0x0000000000611000-memory.dmp

            Filesize

            2.1MB

          • memory/4216-7-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/4216-50-0x0000000000690000-0x0000000000691000-memory.dmp

            Filesize

            4KB

          • memory/4216-48-0x0000000000400000-0x00000000004B8000-memory.dmp

            Filesize

            736KB