Extracted

Extracted

• • Target

    Dettex.exe

  • Size

    90KB

  • MD5

    1c2a253948135b876e3fe148f45040f1

  • SHA1

    c546d4e05316819469003b332b4bd2a9c4e5f5fd

  • SHA256

    264cfa973e4a1b05c208728074dc9b072c180502494644d324086ba66f791c7c

  • SHA512

    b8e2887c5a7562a001ed013aee2f747aae3e916c85810aff2e857272f75be6c06fd8774a4c2d3676a6fe60dce57f4f9f223092f69036dde4378b71ed9fae7b7f

  • SSDEEP

    1536:4xnmcCQLrqkUScY177xIO0bOU5pXZX8b60/S/OPEp9QcmzhRaA5am:MmWn9Uy76ZbHp8/2O49IFRN5am

  Score

  10^/10

  xwormexecutionpersistencerattrojandcratdiscoveryinfostealer

  • DcRat

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

    ratinfostealerdcrat

  • Dcrat family

    dcrat

  • Detect Xworm Payload

  • Modifies WinLogon for persistence

    persistence

  • Process spawned unexpected child process

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

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Downloads MZ/PE file

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Adds Run key to start application

    persistence

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

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

  • Drops file in System32 directory

  behavioral1behavioral2