Analysis

  • max time kernel
    142s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 09:31

General

  • Target

    99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe

  • Size

    5.6MB

  • MD5

    2eb075702e891721b5b86a8831498b20

  • SHA1

    0d5d63c72cd0001e2fea80703dc2949ba10a0a01

  • SHA256

    99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f

  • SHA512

    07956d04e1155bb11ab23021803ec37ccfdd5fa172ad97c5ced96ef2386c81b99b44c3d32caab17d71c76c7a9dc098ea1b2da8a9ca18072c02db00ef655eb39a

  • SSDEEP

    98304:m9pFaDbWXEfqjamGFiVL6Jw6vNQ7bPe03Ioe9TFrritJ7YfiZpAApkQJneto6Jfm:O4D6uqmmaU6XNQfPe03IoN7QgfpkQZeA

Malware Config

Extracted

Family

socks5systemz

C2

ddoaedg.info

http://ddoaedg.info/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c4ec9c9e3d

http://ddoaedg.info/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ec94814f845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9e3fce669210

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\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe
    "C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp" /SL5="$401DE,5656207,54272,C:\Users\Admin\AppData\Local\Temp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1712
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2860

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
    Filesize

    3.0MB

    MD5

    ff71e95ee87e4ecbd9e8b6b4ebf470c8

    SHA1

    e05be7f1ee06fab33e5dac77811e79e38de0cbce

    SHA256

    fc1ea4ea4982903c26c153aa88720ee8b8392054f1acc14e8b3e73922171bd85

    SHA512

    5a3c72341cab0e462d152c3f9abd8de38c0fbb87368789ae3ce73727c28ad9d635ddd5e63d38be494ee5ec39f83340e5e572cf5d165b256224f21d37e91c6d12

  • C:\Users\Admin\AppData\Local\Temp\is-D3A77.tmp\99f1b0f7555cd3ea1601a11ead5a7b43de9b77291d94c10fc66b79c31ebe073f.tmp
    Filesize

    680KB

    MD5

    548dec969992f3e928d7c5bcf6dbeccf

    SHA1

    f4da2c90b95749fbb89e1a16f55719078cb128aa

    SHA256

    9a883c56e3cd5e476c9baa539c1b5d0e877dfade2714040c84ed5f098665b768

    SHA512

    e3980bb2bc9a9146c37bae8c60e80bc5fa164cd767fad3c046046d1517ca24780191ab98526bc94392d6a55fa486ef77857359eadef0466c6abf2b42dcec4321

  • C:\Users\Admin\AppData\Local\Temp\is-OQ2A6.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-OQ2A6.tmp\_isetup\_isdecmp.dll
    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/1712-66-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/1712-71-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/1712-69-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/1712-65-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-77-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-108-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-123-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-74-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-120-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-116-0x0000000000820000-0x00000000008C2000-memory.dmp
    Filesize

    648KB

  • memory/2860-115-0x0000000000820000-0x00000000008C2000-memory.dmp
    Filesize

    648KB

  • memory/2860-80-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-83-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-86-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-89-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-92-0x0000000000820000-0x00000000008C2000-memory.dmp
    Filesize

    648KB

  • memory/2860-94-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-99-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-102-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-105-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-114-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/2860-111-0x0000000000400000-0x0000000000705000-memory.dmp
    Filesize

    3.0MB

  • memory/4580-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4580-75-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4580-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/4740-7-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/4740-76-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB