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, 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://bohliwj.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ed929339

http://bohliwj.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12eab517aa5c96bd86e993854f885a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938cf689f14

Signatures

  • Detect Socks5Systemz Payload 5 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 18 IoCs
  • 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\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe
    "C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\is-HNCHC.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HNCHC.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp" /SL5="$70096,1788484,54272,C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4540
      • C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe
        "C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          2.1MB

          MD5

          355de55e8eae2d3f5c20b450c8e72d61

          SHA1

          188dc39ea2f8597e0ae1447f9d65f57eb717b94c

          SHA256

          285bd746436ac96e6f8a960f3a506ce90b7535396943cf8f4d17dbb32b189f19

          SHA512

          2859473d3b26e777323818708f873d6cd000c810d07d3178006d5ec7105e68ff3b3f1427ad882dbfaa8af795aee406186b87b8ddc09015ceb04ff52b370af56d

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-HNCHC.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp

          Filesize

          677KB

          MD5

          bb16a1aed23a42be299fa83942dc45cc

          SHA1

          eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba

          SHA256

          2fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df

          SHA512

          bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4

        • memory/3536-77-0x00000000007B0000-0x0000000000852000-memory.dmp

          Filesize

          648KB

        • memory/3536-65-0x00000000007B0000-0x0000000000852000-memory.dmp

          Filesize

          648KB

        • memory/3536-98-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-95-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-91-0x00000000007B0000-0x0000000000852000-memory.dmp

          Filesize

          648KB

        • memory/3536-90-0x00000000007B0000-0x0000000000852000-memory.dmp

          Filesize

          648KB

        • memory/3536-45-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-89-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-86-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-48-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-83-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-52-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-53-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-56-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-59-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-76-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-80-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-66-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-68-0x00000000007B0000-0x0000000000852000-memory.dmp

          Filesize

          648KB

        • memory/3536-73-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3536-62-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/3716-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3716-46-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3716-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4508-7-0x0000000002100000-0x0000000002101000-memory.dmp

          Filesize

          4KB

        • memory/4508-49-0x0000000002100000-0x0000000002101000-memory.dmp

          Filesize

          4KB

        • memory/4508-47-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/4540-42-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/4540-39-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB

        • memory/4540-38-0x0000000000400000-0x0000000000617000-memory.dmp

          Filesize

          2.1MB