Extracted

• • Target

    DCRatBuild.msi

  • Size

    4.9MB

  • MD5

    10a32fe9b9bde1619fe90f44f33e83d7

  • SHA1

    18925c3452f9a25e131bc0bde7b9476e58a651d6

  • SHA256

    70f2953bdc5ac694ceb612a18354d624b5482b38a3cfed67e61fc90b6c7f4bb8

  • SHA512

    efda18a6a874d2b2b1cec129ad84199485b7910c210eabf0c1c0f015114e7f1baf2aeb0a41cbe2eafb3e8af4db2b9d4cb7afad6f908d7db74ef6a3c6133aee58

  • SSDEEP

    98304:ubo+lbwHPjVTRjInqy49tnouxcWJGTlhIfWNK7XdBoQ0emBUGW:uHlbwrxRjIq1JxcW4TDIfWNcdBfmWGW

  Score

  10^/10

  dcratgurcucredential_accessdiscoveryevasionexecutioninfostealerratspywarestealertrojan

  • DcRat

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

    ratinfostealerdcrat

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass

    evasiontrojan

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • DCRat payload

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  behavioral1behavioral2