Analysis

  • max time kernel
    123s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/05/2024, 08:35

General

  • Target

    2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe

  • Size

    4.8MB

  • MD5

    366447278e44dcc8b3c17c97cfbb6dc1

  • SHA1

    a0c0e86a34eb821f13c16713d331fb99b6e9c2fb

  • SHA256

    2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f

  • SHA512

    e468a99e5ce3fee794d094b6630011376b0f428fdde8cafd047e15d54a8115ede3edcc91e0d2cf1c5d199ee95ce715a11b8d693ed5427c76443e1b88b00bb997

  • SSDEEP

    98304:muhyGhE3kiuVIMs0P8BhaA75TVKlX388MxkjhaWQAVws2eL:O+EReSlxScZx6aWZ

Malware Config

Extracted

Family

socks5systemz

C2

http://buzvxvi.com/search/?q=67e28dd83d5fa77a480faf1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffa19c4e7939a39

http://buzvxvi.com/search/?q=67e28dd83d5fa77a480faf1e7c27d78406abdd88be4b12eab517aa5c96bd86ef928548895a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee90923fc5699614

Signatures

  • Detect Socks5Systemz Payload 3 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.

  • 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\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe
    "C:\Users\Admin\AppData\Local\Temp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\is-LOMRM.tmp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LOMRM.tmp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp" /SL5="$40242,4731536,54272,C:\Users\Admin\AppData\Local\Temp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe
        "C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3772
      • C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe
        "C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\GLORY TX Voice\glorytxvoice.exe

          Filesize

          3.1MB

          MD5

          29c127dc0f3874be5c405bdf7cc3236c

          SHA1

          4284a384630d7c254b5a391e5c9e68fe190eb092

          SHA256

          bb246a455c1bc94f5b6a360c48f66fbc5911b5701ede167224ffdd8558d1e714

          SHA512

          bcbdfffa27014879e6ee219d177c0ba9b80459eb4673017abc514bc7ca51d91cf9cf935735fba9d15a81b03621f7d61742603d3e480734407a4c06a29141803a

        • C:\Users\Admin\AppData\Local\Temp\is-IDF2S.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-LOMRM.tmp\2eee1ce38a18b6dc9136210f71eaa7827741be2ffc0883d55b612f63b7c7485f.tmp

          Filesize

          677KB

          MD5

          cd82a29a5c7667913fd112636503488c

          SHA1

          63c1736c2dd90e61f029533aeeee9ffce2375e51

          SHA256

          f39fbfc2b06c3c50d8b8350f56c2d342917f2bdbbb476a14bce63c0eb6707816

          SHA512

          9fdc8116235baad61e243917567434024ff972f30852541c885c77490b48a490a0c607de1da5a21a8cf02231908d81e98688a27cfc94a7dd9169f20be05c469d

        • memory/392-69-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/392-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/392-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2340-95-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-87-0x0000000000AD0000-0x0000000000B72000-memory.dmp

          Filesize

          648KB

        • memory/2340-119-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-68-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-67-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-116-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-112-0x0000000000AD0000-0x0000000000B72000-memory.dmp

          Filesize

          648KB

        • memory/2340-71-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-74-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-75-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-78-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-81-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-84-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-111-0x0000000000AD0000-0x0000000000B72000-memory.dmp

          Filesize

          648KB

        • memory/2340-89-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-110-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-98-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-101-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-104-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/2340-107-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/3484-16-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3484-70-0x0000000000400000-0x00000000004B8000-memory.dmp

          Filesize

          736KB

        • memory/3772-60-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/3772-64-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB

        • memory/3772-59-0x0000000000400000-0x0000000000712000-memory.dmp

          Filesize

          3.1MB