Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-05-2024 23:00

General

  • Target

    fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.exe

  • Size

    5.7MB

  • MD5

    c735e0557d5f93167094b8817ff1358b

  • SHA1

    0c2c4dc2349fd803acba8e49186ac018e533cbde

  • SHA256

    fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b

  • SHA512

    7406b3f8209e16c943e07542c7eeca2d9dc54b10ed49b0b5a65d36b1132d346c47eee26812445f0cbc00423efdc28e83f68f5d240fcc1e2c93b36c7202e7e5d9

  • SSDEEP

    98304:mJjQdcd8wyxuaV4bZC0IA1ZlxJ0DjufPnF3gSklQV7QfaRAuQ1MHWDW/rJc8W3:gj2s8l2ZC5A1Zl3b3FSlQhRAkHWi/rzc

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 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\fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.exe
    "C:\Users\Admin\AppData\Local\Temp\fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Users\Admin\AppData\Local\Temp\is-MTIPR.tmp\fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MTIPR.tmp\fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.tmp" /SL5="$60102,5752550,54272,C:\Users\Admin\AppData\Local\Temp\fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4336
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3060
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

    Filesize

    3.5MB

    MD5

    df42ef28f355c7a251f6f5132ee780e9

    SHA1

    053c392f8cc72561e52438f6ae10711e2fcedb09

    SHA256

    8cde869252d3c04cb28fb81519e7ba8bf6947d8f5d6252514ab2d4eb5106bc68

    SHA512

    0fb056169b0096813a6b39551322098e505b55c59149d933da3aaa867a2da8a923df81c5ed4c2b276675cd57fe71b7a0a8a8c215d3bd8f827db35c9a08375efa

  • C:\Users\Admin\AppData\Local\Temp\is-4GB59.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-4GB59.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • C:\Users\Admin\AppData\Local\Temp\is-MTIPR.tmp\fedeedcd2d32378fc15fe070751df74656d18d5395ef8f1ed3de88b45b49c24b.tmp

    Filesize

    680KB

    MD5

    ef9105d68de970efad785e01b21e4e2b

    SHA1

    7fe8801a3e86814972da63a7a943bdc5e31d8888

    SHA256

    381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a

    SHA512

    e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

  • memory/1688-95-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-84-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-121-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-118-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-115-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-112-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-109-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-74-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-106-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-103-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-77-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-80-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-81-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-100-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-87-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-90-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/1688-93-0x00000000025A0000-0x0000000002642000-memory.dmp

    Filesize

    648KB

  • memory/3060-67-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/3060-71-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/3060-69-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/3060-65-0x0000000000400000-0x0000000000777000-memory.dmp

    Filesize

    3.5MB

  • memory/4336-19-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4336-76-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4620-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4620-75-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4620-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB