Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 01:58

General

  • Target

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe

  • Size

    2.0MB

  • MD5

    603489e0ce3e4c942d3cb6badafb76f7

  • SHA1

    c1eb47d815760f03c49d892f7ffcd048ee7b24ac

  • SHA256

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6

  • SHA512

    dbeb9f836b0b39b48e7cdc1551477bac601907f7c3cd61736dd90b2ba68b5345078bc6223c01998aeccc8087bd2fd9c259e87d353d9391766707e3e4e3c81288

  • SSDEEP

    49152:32pF1TdGP/ATkjneFyIzQFzMGCjTHTjowMRmPCb8OKxRe7D:mpXT2YUpIzAMowGhbrKxRc

Malware Config

Extracted

Family

socks5systemz

C2

http://bhuruhi.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ee9c9d38

http://bhuruhi.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12eab517aa5c96bd86e9948e4d865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938cc669115

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\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
    "C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Users\Admin\AppData\Local\Temp\is-AQ636.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AQ636.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$70160,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3180
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:648

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.0MB

          MD5

          ecd25bbe932879f7b1104322f0338e11

          SHA1

          03e574a7f06a85bc0cbbabfb86e1cfb621031056

          SHA256

          31a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811

          SHA512

          e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232

        • C:\Users\Admin\AppData\Local\Temp\is-AQ636.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • C:\Users\Admin\AppData\Local\Temp\is-HMET0.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/648-77-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-78-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/648-99-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-96-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-92-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/648-91-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/648-90-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-46-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-87-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-84-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-49-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-81-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-53-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-54-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-57-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-63-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-68-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/648-66-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-60-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/648-67-0x0000000000900000-0x00000000009A2000-memory.dmp

          Filesize

          648KB

        • memory/648-74-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/1308-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1308-47-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1308-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2544-7-0x00000000005E0000-0x00000000005E1000-memory.dmp

          Filesize

          4KB

        • memory/2544-50-0x00000000005E0000-0x00000000005E1000-memory.dmp

          Filesize

          4KB

        • memory/2544-48-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3180-43-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/3180-42-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/3180-39-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/3180-38-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB