Extracted

Extracted

• • Target

    CheckTest.exe

  • Size

    60KB

  • MD5

    a149091ddbbf8a023adf75cdc7678f73

  • SHA1

    260e9073577aeb16d041a77dd38bb90f03c7f856

  • SHA256

    0d37563cf9648338bf0e1f6f4a4463d4ffad04528fc0dc5f5939ea4d71199e30

  • SHA512

    56b198e9f90b26461b62cb8160b4e2e12b2c35a7a17967b5a7dc51d4d3d2c8d8028cf0dd7abb572fc77c0938e06d5e8454c81891c7adc84560d9d8e30ed4a3ef

  • SSDEEP

    1536:7jOuFsPymlKEgGbETDZDkb5eRfrwh5BOVC0S5p:7jmzKVH5kb5TVOVFS5p

  Score

  10^/10

  dcratxwormdiscoveryexecutioninfostealerpersistenceratspywarestealertrojan

  • 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

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Adds Run key to start application

    persistence

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  behavioral1