Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2024, 15:57

General

  • Target

    e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe

  • Size

    2.0MB

  • MD5

    3d69d0f183518f36e7628dad4228969b

  • SHA1

    8e29d3483612c64ac49989bcefc29d4432ac4a16

  • SHA256

    e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37

  • SHA512

    7e14a32c0906235dbc0eb7f557578b90d075be958a08aaa20c3d778b32bf2b9755d6f3b14b0f69d5508c402668f1a53f64db96b99998f3dbf0805abbaa783050

  • SSDEEP

    49152:32N77AwDGmCur+DkEGhMFrVT5mWpAqp5gWTbuL4uH:mN70i4kFyxBpxp5gmbuL4uH

Malware Config

Extracted

Family

socks5systemz

C2

http://dtzziuw.info/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0e691933c

http://dtzziuw.info/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12eab517aa5c96bd86ee9c864c805a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983bc46b9f11

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\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe
    "C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp" /SL5="$401F4,1752228,54272,C:\Users\Admin\AppData\Local\Temp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3280
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2216
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4340

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

          4947e172190fce2d6615b694ce283c75

          SHA1

          f0bed6c45ecdbf4be14cffd527d232dae7784c5e

          SHA256

          43315292e09019cd31c640577d5fee46cf6e5869bbe40ce2a83f32c58ec8e2d2

          SHA512

          0b8a9bc70c38ae62d7a8c3779d30addd12cf026190a72f17760e2ae20f509ecb8aa3fb4637b470fa6f0b862384f28188e43b2531705c265c0f402c21739b7f10

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-ELEAG.tmp\e35e5a2f248207f596081c1ee86b1f43510b4c2b99182fbdcce1bad4fecdbf37.tmp

          Filesize

          677KB

          MD5

          d394fc26de69f06950dc1c71959b0261

          SHA1

          7c9448fc3582f19763eaa8e3c5383b7873aee017

          SHA256

          405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a

          SHA512

          63ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10

        • memory/2216-38-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2216-39-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2216-43-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/2216-42-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/3280-49-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3280-51-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/3280-7-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/4340-54-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-70-0x00000000008D0000-0x0000000000972000-memory.dmp

          Filesize

          648KB

        • memory/4340-100-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-46-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-50-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-97-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-93-0x00000000008D0000-0x0000000000972000-memory.dmp

          Filesize

          648KB

        • memory/4340-55-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-58-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-61-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-64-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-67-0x00000000008D0000-0x0000000000972000-memory.dmp

          Filesize

          648KB

        • memory/4340-68-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-47-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-75-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-78-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-79-0x00000000008D0000-0x0000000000972000-memory.dmp

          Filesize

          648KB

        • memory/4340-82-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-85-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-88-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-91-0x0000000000400000-0x0000000000611000-memory.dmp

          Filesize

          2.1MB

        • memory/4340-92-0x00000000008D0000-0x0000000000972000-memory.dmp

          Filesize

          648KB

        • memory/4848-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4848-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4848-48-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB