Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 02:12

General

  • Target

    6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe

  • Size

    2.0MB

  • MD5

    e1ed82cbc13b80a7dde61c3708120a21

  • SHA1

    3f8bb8ae282064d1f9d8aeef43eef14b6c91f24c

  • SHA256

    6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c

  • SHA512

    352ec886484efcb0d01711ce8d6adb8f4d10c489f796154a93f2f6585052c9dab35607a9c46430c74edbfe0a3f5418b3c603b7b1d6702038952d1ed08c48705a

  • SSDEEP

    49152:32/DjD65r8nm67RV94/br4xfobNdjN/JGReQPLXOunLt7M:m7jer8nDRXIX4xghdjNBGReQDXOMtM

Malware Config

Extracted

Family

socks5systemz

C2

http://bwlvfsl.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc13c7e696

http://bwlvfsl.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12eab517aa5c96bd86e8968349875a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec96983cc46c

Signatures

  • Detect Socks5Systemz Payload 5 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 19 IoCs
  • 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\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe
    "C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\is-8PA6U.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8PA6U.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp" /SL5="$30150,1788484,54272,C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2708
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3008

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Color Picker\colorpicker32.exe

          Filesize

          2.1MB

          MD5

          355de55e8eae2d3f5c20b450c8e72d61

          SHA1

          188dc39ea2f8597e0ae1447f9d65f57eb717b94c

          SHA256

          285bd746436ac96e6f8a960f3a506ce90b7535396943cf8f4d17dbb32b189f19

          SHA512

          2859473d3b26e777323818708f873d6cd000c810d07d3178006d5ec7105e68ff3b3f1427ad882dbfaa8af795aee406186b87b8ddc09015ceb04ff52b370af56d

        • \Users\Admin\AppData\Local\Temp\is-8PA6U.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

        • \Users\Admin\AppData\Local\Temp\is-N3MAH.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • \Users\Admin\AppData\Local\Temp\is-N3MAH.tmp\_isetup\_shfoldr.dll

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/1812-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1812-54-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2380-41-0x00000000036E0000-0x00000000038F7000-memory.dmp

          Filesize

          2.1MB

        • memory/2380-57-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2380-58-0x00000000036E0000-0x00000000038F7000-memory.dmp

          Filesize

          2.1MB

        • memory/2380-9-0x0000000000240000-0x0000000000241000-memory.dmp

          Filesize

          4KB

        • memory/2380-55-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/2708-44-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/2708-45-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/2708-48-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/2708-49-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-61-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-82-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-53-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-51-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-62-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-65-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-68-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-71-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-74-0x0000000002320000-0x00000000023C2000-memory.dmp

          Filesize

          648KB

        • memory/3008-75-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-76-0x0000000002320000-0x00000000023C2000-memory.dmp

          Filesize

          648KB

        • memory/3008-56-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-85-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-86-0x0000000002320000-0x00000000023C2000-memory.dmp

          Filesize

          648KB

        • memory/3008-89-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-92-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-95-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-98-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-99-0x0000000002320000-0x00000000023C2000-memory.dmp

          Filesize

          648KB

        • memory/3008-100-0x0000000002320000-0x00000000023C2000-memory.dmp

          Filesize

          648KB

        • memory/3008-104-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3008-107-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB