Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 16:10

General

  • Target

    d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.exe

  • Size

    4.4MB

  • MD5

    997fa8b3091257c3187d92e5acc5d949

  • SHA1

    698d8a36bede6f524494b0f02049d2610f589a94

  • SHA256

    d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6

  • SHA512

    2e80c507f9b6f81c287b7d245c0c2bfdfdbf56e0b31fe57f7b59efbb001d5f0eaf80ffaabcebf574ab2de85aa11a50f035845aa44efe1326e144c843b3028ce8

  • SSDEEP

    98304:0+oxIebTQG32c4Rxq2i9HOZj1w8e1CS9MvvY:0+yIebN2cKxqP9HOx1/QGvY

Malware Config

Extracted

Family

socks5systemz

C2

http://cceqeib.net/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6289f718c5ee9d

Signatures

  • Detect Socks5Systemz Payload 1 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.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.exe
    "C:\Users\Admin\AppData\Local\Temp\d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\is-7QFT0.tmp\d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7QFT0.tmp\d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.tmp" /SL5="$400F8,4406555,54272,C:\Users\Admin\AppData\Local\Temp\d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
        "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2004
      • C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
        "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2456

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

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

          Filesize

          2.1MB

          MD5

          bc25ade7e5af730e08fae4678fd76556

          SHA1

          0e230a53d80e0f4c9063b6bedcb223eb2ab8c470

          SHA256

          b6b4a3f44e89a2a3929c9bb1e2e8038d3b1733d370733d008fecf859f5a9de2a

          SHA512

          74a162a215f395a5dfdfcd09bf3ed02dfb9224c9270184e56101a63683c4f6c12ebb6fab21e25aba7558ffe69e7bfb51191cdccbac5b7fb919e5b33039e894b7

        • \Users\Admin\AppData\Local\Temp\is-7QFT0.tmp\d60edf09387123d96951ea7d8c11fe322bd2354e8978c03f25d2766a3fab95e6.tmp

          Filesize

          696KB

          MD5

          ebc93acc74258c93008da5c398191619

          SHA1

          ac84456d9b7ef7a43c88c5736fb37ca59f61468e

          SHA256

          9df6a092d9a1867002e8399641ab5cabc8e251c41c7c03e725a754f5ab470f3f

          SHA512

          b3afd516c655de55bbbcfb68d3aca1f4f0a8bd40555c888f193adc06d800ca8a11ec56d2fe948840c42a9940f2be30bf4aff670d3aa9127dca3679df023d7cb1

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

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

          Filesize

          22KB

          MD5

          92dc6ef532fbb4a5c3201469a5b5eb63

          SHA1

          3e89ff837147c16b4e41c30d6c796374e0b8e62c

          SHA256

          9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

          SHA512

          9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

        • memory/1384-3-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1384-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1384-75-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2004-70-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2004-65-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2004-66-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2004-69-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2220-16-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/2220-80-0x0000000003330000-0x000000000354B000-memory.dmp

          Filesize

          2.1MB

        • memory/2220-64-0x0000000003330000-0x000000000354B000-memory.dmp

          Filesize

          2.1MB

        • memory/2220-76-0x0000000000400000-0x00000000004BE000-memory.dmp

          Filesize

          760KB

        • memory/2456-77-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-73-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-81-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-84-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-87-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-90-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-93-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-94-0x0000000002620000-0x00000000026C2000-memory.dmp

          Filesize

          648KB

        • memory/2456-100-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-103-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-106-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-109-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-112-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-115-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-119-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/2456-122-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB