Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 23:36

General

  • Target

    66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe

  • Size

    4.5MB

  • MD5

    154243bf5a1b7f1e59e747136827f5b8

  • SHA1

    11a284066cdb7fef69ebe68fa4a6ebf390e1dcc4

  • SHA256

    66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd

  • SHA512

    f4d9e155c7aa70810fb2811b8e22ca1b3adac7717d6c27f4f0cdc1443c180e0a592174312a97170a1b65da80004fcdfb9776f9573c5cef70f2a02b4b30303a66

  • SSDEEP

    98304:JvtVh5CXCXXBIwis3rYqf5B1ZM4pmi9ARw3ivv7:JvtVHcERgCbX124gimTvv7

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 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.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe
    "C:\Users\Admin\AppData\Local\Temp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Users\Admin\AppData\Local\Temp\is-NPBAN.tmp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-NPBAN.tmp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp" /SL5="$70170,4477615,54272,C:\Users\Admin\AppData\Local\Temp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:264
      • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
        "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2072
      • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
        "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2836

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Radio Buster\libeay32.dll

          Filesize

          1.9MB

          MD5

          876a839023b8f962a72d295da7495734

          SHA1

          62a7728679bc18784b1fbf1d013f7cece18cbec9

          SHA256

          a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

          SHA512

          e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

        • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe

          Filesize

          2.6MB

          MD5

          11dbb5a77cd68ac85360c6886a6f7f37

          SHA1

          a0e80231e5020582b0d6d57b8867a662463e4c30

          SHA256

          c92b4df214bab27b9c7216a599db062797e1617ae7aaa8e1d7a399783bba24db

          SHA512

          89d988496b8649e78ad509035dcefabc206c46f26303ef0822f63055bc81e9e9e1760ca87de45c57454a276c51cf6ee53349d44c30d1396690812d9511a1ff19

        • C:\Users\Admin\AppData\Local\Temp\is-14VT4.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-NPBAN.tmp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp

          Filesize

          696KB

          MD5

          0fbd91399a4476ef767a6d203be9af3f

          SHA1

          175c645348c6a6b03cdf4e14bbb73dc522864a78

          SHA256

          213d474063fb52c18c5b0b40bfc1884a3fc8f6b76c71a994c3da56e1be60dbd1

          SHA512

          457b7c9d50a96572339061e6aa35ee7ad2663b38d423499bc606b92eb427315788ac5ae69b046beed0acdfb05bad9eff91bec0564b3ccd5245522d966aec2f91

        • memory/264-71-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/264-13-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/2072-65-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2072-59-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2072-60-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2072-63-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-72-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-87-0x0000000000780000-0x0000000000822000-memory.dmp

          Filesize

          648KB

        • memory/2836-115-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-112-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-109-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-75-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-78-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-81-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-84-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-69-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-91-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-94-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-97-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-100-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-103-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/2836-106-0x0000000000400000-0x0000000000694000-memory.dmp

          Filesize

          2.6MB

        • memory/4088-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4088-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/4088-70-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB