Analysis

  • max time kernel
    293s
  • max time network
    253s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 06:59

General

  • Target

    630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe

  • Size

    4.4MB

  • MD5

    41d81cd5c9b7cd233e98621c3a05410a

  • SHA1

    bf702072d70c932d263a432fad4b61f703070e82

  • SHA256

    630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042

  • SHA512

    d81d89a02237827d348e2c378242f0cc94936f579d957263fc5def51b522ff25f046e6a0e1e2e8e894a5f18e1ca570ddb6b2fcfdf21aaeacd4674bbc3079a23a

  • SSDEEP

    98304:maUGzadECXbd6GxfWKe4RyCIT5Ie8aAS70/ppaPY/RD7N9Of:uCadECsG0KtRNITye8b/3rJfHOf

Malware Config

Extracted

Family

socks5systemz

C2

ebzuapi.ua

http://ebzuapi.ua/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8eff13c8eb93

http://ebzuapi.ua/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12eab517aa5c96bd86ee918445815a8bbc896c58e713bc90c91936b5281fc235a925ed3e53d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8ef959833c969

Signatures

  • Detect Socks5Systemz Payload 3 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.

  • 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe
    "C:\Users\Admin\AppData\Local\Temp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Users\Admin\AppData\Local\Temp\is-JP5FN.tmp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JP5FN.tmp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp" /SL5="$400F8,4388601,54272,C:\Users\Admin\AppData\Local\Temp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
        "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2688
      • C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
        "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe

    Filesize

    2.3MB

    MD5

    9435c701aca5842a55280c38bff83705

    SHA1

    5293a3d020cefd50ea9b28e9559f252dd35e4576

    SHA256

    f41ec3ebf4959e08d69bf0b7be168b8079838446bba9ac0a9515f452d2450bd6

    SHA512

    c8f1b9fa578c01d20ef6a4df4a134acdfa8f94d70bfb0aad784702df2f67790ea218254255d584553868f3febac6c336a50c83f11684f2bcafbbee2bf1d0d2f7

  • \Users\Admin\AppData\Local\Temp\is-JA27K.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-JA27K.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-JP5FN.tmp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp

    Filesize

    680KB

    MD5

    8ebef6645baa32451781267511737482

    SHA1

    2d8429a0137dbc67866dcb9faeb11eba1a2a617d

    SHA256

    205e7c503d2c5a7429ef51c23413577c06ff2672dd3d201a84182fdfc6788923

    SHA512

    ff8ae39ba9168ec2ecaacc6c87337a43879085b55fd1e4213f57c097327611aa931b8e30e8684752029759b2ad4cababef1af446490756caddd22bae2405666e

  • memory/1616-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1616-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1616-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2528-113-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-114-0x00000000021B0000-0x0000000002252000-memory.dmp

    Filesize

    648KB

  • memory/2528-134-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-131-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-71-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-128-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-125-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-75-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-122-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-79-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-82-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-85-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-88-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-91-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-92-0x00000000021B0000-0x0000000002252000-memory.dmp

    Filesize

    648KB

  • memory/2528-98-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-101-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-104-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-107-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-110-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-119-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2528-115-0x00000000021B0000-0x0000000002252000-memory.dmp

    Filesize

    648KB

  • memory/2688-65-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2688-69-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2688-66-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2928-64-0x00000000039A0000-0x0000000003BE4000-memory.dmp

    Filesize

    2.3MB

  • memory/2928-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2928-76-0x00000000039A0000-0x0000000003BE4000-memory.dmp

    Filesize

    2.3MB

  • memory/2928-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB