Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-06-2024 06:12

General

  • Target

    37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe

  • Size

    5.6MB

  • MD5

    21186244760b76df08e24a2c3802f7e0

  • SHA1

    562e9f617d0ae071115432e95e71181839082ccd

  • SHA256

    37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a

  • SHA512

    3ef14aa73ab25aad0e48ef40e79150f1afce476670c72c56b0c0102b0a9abf435bf7d42573ac5330e222f542a8e3389aee110dbcd22e1dce4aaf208ed6e3d693

  • SSDEEP

    98304:mDcna40AeZjV/FuD+334nBrbfFzxc0hnLJvEPUTioXK54Va53nzeQ9mpWUGD:AcalAajV/FCnB39VVhnLJvSUTioX1VeD

Malware Config

Extracted

Family

socks5systemz

C2

ddyuies.info

http://ddyuies.info/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978f371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff714c1e7919a3d

http://ddyuies.info/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12eab517aa5c96bd86e9938148855a8bbc896c58e713bc90c94836b5281fc235a925ed3e50d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9f3ac56b9610

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe
    "C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Users\Admin\AppData\Local\Temp\is-C23RO.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-C23RO.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp" /SL5="$40230,5636535,54272,C:\Users\Admin\AppData\Local\Temp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1536
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
    Filesize

    3.2MB

    MD5

    e9e49f1da5dc85b8c0ea95ed7e11ec6a

    SHA1

    22c7720a2716abe1649a57fd47ae849ed6e8ec92

    SHA256

    1390fa94678e7237b074d35f1fea18d1f595944a5d39fd3fbb6446fef0176050

    SHA512

    15d942b8a8b861e7b9db71f84d20fe13ad1335316a47ee7d4ca1ea9bfbf5dd3d30a8469b1d7a2231502eb42d920382bf477b24a483169a8a757ba58c51309aae

  • C:\Users\Admin\AppData\Local\Temp\is-C23RO.tmp\37eae2341d1b0655ffc3c9cdfa65482eaca5c795dd1704619e7ee4dea0515a0a.tmp
    Filesize

    680KB

    MD5

    5baf97b8447c7245e308c807eba2b172

    SHA1

    628c759120b7595bb697c14dd265f7f4616c8e72

    SHA256

    ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124

    SHA512

    dc38d1a5ae1e8b6f3779aea908a55a1853ecf7b6a632f11c50d9abc48aafa60e90182eb5a280d3ba94430d2ce5f02624b4c2000bd636da34643f25c95772e47d

  • C:\Users\Admin\AppData\Local\Temp\is-MG76C.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-MG76C.tmp\_isetup\_isdecmp.dll
    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/1512-75-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/1512-10-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/1536-69-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1536-65-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1536-68-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-79-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-99-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-123-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-120-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-76-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-116-0x0000000002A00000-0x0000000002AA2000-memory.dmp
    Filesize

    648KB

  • memory/1780-82-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-85-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-88-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-89-0x0000000002A00000-0x0000000002AA2000-memory.dmp
    Filesize

    648KB

  • memory/1780-94-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-73-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-102-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-105-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-108-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-111-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-114-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1780-115-0x0000000002A00000-0x0000000002AA2000-memory.dmp
    Filesize

    648KB

  • memory/4968-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4968-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/4968-74-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB