Extracted

Extracted

Extracted

• • Target

    Mydooms.zip

  • Size

    7.3MB

  • MD5

    d9bbe9314e8114fa2cc00422b09fdd9d

  • SHA1

    a138d7a8c054d8dd9904f6fb378d51af02385a52

  • SHA256

    dbcc1bec2dbc4002cfdade40966eb639ccf4da67a7b9728f444beb1d35ed4f7f

  • SHA512

    79c96afd2bedb2ed22027cd135678db411fedeba92e481d2e410eb516cb26d8c8aebf3d63ed8941a91f70dee75a5fa2dfdff8c2bec07c205ac33710f2dff635f

  • SSDEEP

    196608:RyiXnVyuWadlIK+eU3hW0y9PnO+K8Lsi2L:AiXnVyuWaP6eahWPNPt2L

  Score

  10^/10

  dcratdharmasatancryptorzebrocybackdoorbootkitdefense_evasiondiscoveryevasionexecutionimpactinfostealerpersistenceransomwareratspywarestealertrojanupx

  • DcRat

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

    ratinfostealerdcrat

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma

  • Disables service(s)

    evasionexecution

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • SatanCryptor

    Golang ransomware first seen in early 2020.

    ransomwaresatancryptor

  • Zebrocy

    Zebrocy is a backdoor created by Sofacy threat group and has multiple variants developed in different languages.

    trojanbackdoorzebrocy

  • Zebrocy Go Variant

  • DCRat payload

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Renames multiple (262) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware

  • Disables Task Manager via registry modification

    evasion

  • Drops file in Drivers directory

  • Modifies Windows Firewall

    evasion

  • Sets DLL path for service in the registry

    persistence

  • ACProtect 1.3x - 1.4x DLL software

    Detects file using ACProtect software.

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Reads user/profile data of web browsers

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

    spywarestealer

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx

  • Adds Run key to start application

    persistence

  • Drops desktop.ini file(s)

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry

    Disk information is often read in order to detect sandboxing environments.

  • Modifies WinLogon

    persistence

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1