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
    25/03/2024, 01:47

General

  • Target

    45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe

  • Size

    2.2MB

  • MD5

    4b9151a0fcc00b7ebe774bb2489bc530

  • SHA1

    40fa43f01b6bdf5e946bb2088fec786f3d3b708a

  • SHA256

    45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07

  • SHA512

    8ea55f1c06178f87edade8fbbd4031905195fa86a422d5e07c6c06f2cf538f4649691d867b740a0c6b2a178ab39f7dfde1a95108266e3dff74df33361930866d

  • SSDEEP

    49152:321Jclh7yWuOym9ASMvcW63qheRFv2vLsmL2H2H5QihKF/nyGH:m1JkuWukASkncRszZ2H2H5NUVnXH

Malware Config

Extracted

Family

socks5systemz

C2

http://boxeoqy.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ee979233

http://boxeoqy.com/search/?q=67e28dd86b5ea42a430af91a7c27d78406abdd88be4b12eab517aa5c96bd86eb97854b815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938cc6d9e1e

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\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe
    "C:\Users\Admin\AppData\Local\Temp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Users\Admin\AppData\Local\Temp\is-P8VQT.tmp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P8VQT.tmp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp" /SL5="$801CE,1966609,54272,C:\Users\Admin\AppData\Local\Temp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1316
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3688

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.2MB

          MD5

          0341a71415d5c43879d5941ca65396ba

          SHA1

          8526a5a86e7d11b73633e27629351087079d2291

          SHA256

          fe804d96f2cf809d1e13b9df072c5ee2b44fe71164a845d3cea4041d428203ee

          SHA512

          6498e788438dcbf334176011bbf1a12bd98542552b12af56f2b4a8fc385247e1a1f052dba26211fc72ec1357125d6d800638946c427cc1dcd853353ec7d70f0e

        • C:\Users\Admin\AppData\Local\Temp\is-5VS64.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-P8VQT.tmp\45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • memory/1316-37-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1316-38-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1316-40-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1316-42-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/1736-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/1736-6-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/1736-50-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB

        • memory/3688-54-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-81-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-45-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-49-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-46-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-53-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-99-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-57-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-60-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-63-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-66-0x0000000000830000-0x00000000008D2000-memory.dmp

          Filesize

          648KB

        • memory/3688-67-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-69-0x0000000000830000-0x00000000008D2000-memory.dmp

          Filesize

          648KB

        • memory/3688-74-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-77-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-78-0x0000000000830000-0x00000000008D2000-memory.dmp

          Filesize

          648KB

        • memory/3688-96-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-84-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-87-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-90-0x0000000000400000-0x0000000000642000-memory.dmp

          Filesize

          2.3MB

        • memory/3688-91-0x0000000000830000-0x00000000008D2000-memory.dmp

          Filesize

          648KB

        • memory/3688-92-0x0000000000830000-0x00000000008D2000-memory.dmp

          Filesize

          648KB

        • memory/4548-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4548-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB