Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-06-2024 14:27

General

  • Target

    8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe

  • Size

    4.9MB

  • MD5

    849b587f96a731f17d37a4d5ae2f0b7c

  • SHA1

    e2c0697598d976fbf5bf094c48f0e96bb35cce50

  • SHA256

    8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f

  • SHA512

    a21184f79bcb9c1b3bd1cd9e0e0e47059671337d5ab6bad92237c90b4b25bfbab878e6990379af398a7e9212ed1b8c427bd9b5a6f5c4471189b54e0d90fd97eb

  • SSDEEP

    98304:mAnLHmNI5nj3UUJJRJ4yef6V2STaH2DOBhBGII43Fbq:bmNI57UUJjJ4yefiNrO55h3c

Malware Config

Extracted

Family

socks5systemz

C2

ezyquon.ua

http://ezyquon.ua/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff613c3e697923c

http://ezyquon.ua/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12eab517aa5c96bd86ea92834496148ab2865b77f80ebad9c40f7cb63037ed2ab423a4664383ba915d911ec07bb606a0708727e40ea678c751bbe34efb0e2807e12571c17f3e83fe16c1e6979932cf6791

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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe
    "C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp" /SL5="$60072,4940198,54272,C:\Users\Admin\AppData\Local\Temp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
        "C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2068
      • C:\Users\Admin\AppData\Local\Winypux\winypux32.exe
        "C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-T9P9U.tmp\8ea69ac40be91d7769c2ef8dd1dd8d8878a9d228656ccc2023ada5a0fbb2365f.tmp

    Filesize

    680KB

    MD5

    a84057e0e5035c21319872763d8b273c

    SHA1

    b90e1b689d755299e31ffb849238a9dd16f6ff99

    SHA256

    709f24fc9f26e097daa98410a38e37ab7328e1ed86aca88cb99e841a96b2b08f

    SHA512

    987b38ad52b0888ebd0cbd25fc857bc0251e99edc7835cb8ccafd16d7d5ace935b148984c6cdf469b898db36614369d8996b8fec97b91eeee2db264d1c5f5ab2

  • C:\Users\Admin\AppData\Local\Winypux\winypux32.exe

    Filesize

    3.0MB

    MD5

    53214fb200ab0d411c9ad05d2e2b012c

    SHA1

    05f1e1e008be65c384b8ad93854504d658686707

    SHA256

    5992206c8b576be2c65009b544db4827ae4e296dcddb75b855d3c3904fe8f471

    SHA512

    4cab62de32cb0e871ca8678a60faf76df03ce40b04ad0c167bbc54dcd5a8ba90be3e849e1ba6aa4968065fad27e0f8b726a2ecc59daebf12a9c6d6472f552109

  • memory/904-102-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-105-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-79-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-120-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-82-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-117-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-112-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/904-67-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-69-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-113-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/904-111-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-85-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-75-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-76-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-108-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-99-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-72-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-88-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/904-91-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/904-96-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/2068-62-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/2068-65-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/2068-60-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/2068-59-0x0000000000400000-0x00000000006FA000-memory.dmp

    Filesize

    3.0MB

  • memory/2340-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2340-71-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3444-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3444-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/3444-70-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB