Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    23/03/2024, 12:36

General

  • Target

    603489e0ce3e4c942d3cb6badafb76f7.exe

  • Size

    2.0MB

  • MD5

    603489e0ce3e4c942d3cb6badafb76f7

  • SHA1

    c1eb47d815760f03c49d892f7ffcd048ee7b24ac

  • SHA256

    1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6

  • SHA512

    dbeb9f836b0b39b48e7cdc1551477bac601907f7c3cd61736dd90b2ba68b5345078bc6223c01998aeccc8087bd2fd9c259e87d353d9391766707e3e4e3c81288

  • SSDEEP

    49152:32pF1TdGP/ATkjneFyIzQFzMGCjTHTjowMRmPCb8OKxRe7D:mpXT2YUpIzAMowGhbrKxRc

Malware Config

Extracted

Family

socks5systemz

C2

http://eboeqdu.ua/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff616c4ed9c

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\603489e0ce3e4c942d3cb6badafb76f7.exe
    "C:\Users\Admin\AppData\Local\Temp\603489e0ce3e4c942d3cb6badafb76f7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Local\Temp\is-E587E.tmp\603489e0ce3e4c942d3cb6badafb76f7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E587E.tmp\603489e0ce3e4c942d3cb6badafb76f7.tmp" /SL5="$400F8,1773528,54272,C:\Users\Admin\AppData\Local\Temp\603489e0ce3e4c942d3cb6badafb76f7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2512
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.1MB

          MD5

          775ff74617f7c75a4e47a6188ee51976

          SHA1

          75918b3b5e180108a5d2f2a76352b1174ae87dc5

          SHA256

          754492c2b43aea93f1705213e5719a30f7656bc0d65ddf72604703a7184b82fc

          SHA512

          898345d242591cfbdd2ca98bd1c99caf3633ed97fb21edcb5c424a1443e2783f8ea29990bc19a04f491550f5b8f5e778d01a715d7ab78359179733298a1fa269

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

          Filesize

          128KB

          MD5

          5ce49878104e1a35529927d4e5da0dcf

          SHA1

          0051814458e92cb618fcb9e2ab501e02b56e0554

          SHA256

          c456b0ebe27c6d94bbce0d37351efe7ca59c5d9ff004c307aa42ca83f1971a82

          SHA512

          882cf7cfccc2903fb4cecf6969614900204eb64ab94d77dcbb52ec3520df8a9175768eb75b78c3b77018c91e4078799866d51bf6c1d96f361f06d7a498b8e25b

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

          Filesize

          2.0MB

          MD5

          ecd25bbe932879f7b1104322f0338e11

          SHA1

          03e574a7f06a85bc0cbbabfb86e1cfb621031056

          SHA256

          31a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811

          SHA512

          e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232

        • \Users\Admin\AppData\Local\Temp\is-E587E.tmp\603489e0ce3e4c942d3cb6badafb76f7.tmp

          Filesize

          677KB

          MD5

          92f7775908bb12183914bb0753782913

          SHA1

          8d1091da36832942d48f2fe9a1a216fdd556b9c4

          SHA256

          a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed

          SHA512

          7e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39

        • \Users\Admin\AppData\Local\Temp\is-NEV1P.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-NEV1P.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/2428-102-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-86-0x0000000002630000-0x00000000026D2000-memory.dmp

          Filesize

          648KB

        • memory/2428-95-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-92-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-75-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-89-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-105-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-51-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-53-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-98-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-85-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-56-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-82-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-77-0x0000000002630000-0x00000000026D2000-memory.dmp

          Filesize

          648KB

        • memory/2428-61-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-62-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-65-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-68-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-71-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2428-74-0x0000000002630000-0x00000000026D2000-memory.dmp

          Filesize

          648KB

        • memory/2512-46-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2512-49-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2512-45-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2512-44-0x0000000000400000-0x000000000060B000-memory.dmp

          Filesize

          2.0MB

        • memory/2836-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2836-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3004-58-0x00000000036E0000-0x00000000038EB000-memory.dmp

          Filesize

          2.0MB

        • memory/3004-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/3004-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3004-42-0x00000000036E0000-0x00000000038EB000-memory.dmp

          Filesize

          2.0MB

        • memory/3004-12-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB