Analysis

  • max time kernel
    3s
  • max time network
    6s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 16:46

General

  • Target

    XBinderOutput(1).exe

  • Size

    607KB

  • MD5

    19d31479381cfda2c9878b427f51a0c2

  • SHA1

    5b8774c60b71dd32e7325d0fbceb3434975ca7cc

  • SHA256

    e3b4620b85709a793de2b777da764d094f9a6dc19ead0a7fcad953c1fb3e8550

  • SHA512

    14ce10c974af40f5ab3e93f3bb3ff5ada22a8c2245bf45f40be0a59a75bcd9bfb2bf2288416744a2cebb93b3eb487ba070670d553ea87ca8c0e566c727bf28a2

  • SSDEEP

    12288:DikJ/Wmo/J594F3o472LiJgSifSdq/UByol53uFb/V4YUWpcZm83:TJ/+z4F3osuiKoqsyol54bWYUK

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • DCRat payload 1 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XBinderOutput(1).exe
    "C:\Users\Admin\AppData\Local\Temp\XBinderOutput(1).exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\kendalcp.exe
      "C:\Users\Admin\AppData\Local\Temp\kendalcp.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\blocksavesperfMonitorDll\R7uOS4kiQeNNM8oo5bGADNHtfWe.vbe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\kendalcp.exe

    Filesize

    1.1MB

    MD5

    0d015cc111d53a019e680b0bed11fcad

    SHA1

    3b3fb6eeba0c2ba286a4db5e850697399ccb5e36

    SHA256

    2b7365d9634016b0483009225b959692c290a6b17fad133e42434dc89fdf4150

    SHA512

    c3a7ea551d0151033dde83a3dda1042e8fe26702c84da2b630ecffb739aecb654730bb5f7ec8914189f72ca7d0ecf1352f0ca7effa938bc1d6f0ae56c3358eab

  • C:\blocksavesperfMonitorDll\R7uOS4kiQeNNM8oo5bGADNHtfWe.vbe

    Filesize

    222B

    MD5

    a6f295a2e58c722b5935cc905e81fd8b

    SHA1

    a2a30408197320a639e3e2f18a57fc8578c97b58

    SHA256

    8bcebca170fc0768cb1afb63f1350d63c3a295b26ca04602e07ec43498b9691c

    SHA512

    839605d7eadcdc470dd4edd117cedd976cb9f36bf0a636d08afecc6378adadf0fccb80beb44de849b6dfec814845cef8ca83ca171b39c1f6d90d55485bd06635

  • memory/2484-0-0x000007FEF5503000-0x000007FEF5504000-memory.dmp

    Filesize

    4KB

  • memory/2484-1-0x0000000001030000-0x00000000010CE000-memory.dmp

    Filesize

    632KB

  • memory/2484-8-0x000007FEF5500000-0x000007FEF5EEC000-memory.dmp

    Filesize

    9.9MB