Extracted

• • Target

    Ransomware

  • Size

    300KB

  • MD5

    074120a6a4237f4b7695f6324bf3acd4

  • SHA1

    69ac0d092e3117721d41fb56d59dbda15b7ef34b

  • SHA256

    96d743dea5efdcd1c21b7d54991b5ce457e4d42c417495e583b38ccc958173f0

  • SHA512

    9b494a20e60916b7e48eb2d14e7782d2d2139cc76400a9046af47c250a06060b3116f2eb9d8beccb4e3a1d4c48b05d140d94f9e88db9a9f8171e21c9dffb42df

  • SSDEEP

    6144:zhoAO3uokeOvHS1d1+CNs8wbiWQr9/vZJT3CqbMrhryf65NRPaCieMjAkvCJv1Vq:1oAO3uokeOvHS1d1+CNs8wbiWQr9/vZh

  Score

  10^/10

  chimeracrimsonratagilenetcredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceransomwareratspywarestealertrojanupx

  • Chimera

    Ransomware which infects local and network files, often distributed via Dropbox links.

    ransomwarechimera

  • Chimera Ransomware Loader DLL

    Drops/unpacks executable file which resembles Chimera's Loader.dll.

    ransomware

  • CrimsonRAT main payload

  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    ratcrimsonrat

  • UAC bypass

    evasiontrojan

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Modifies boot configuration data using bcdedit

    ransomwareevasion

  • Renames multiple (3259) files with added filename extension

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

    ransomware

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Enables test signing to bypass driver trust controls

    Allows any signed driver to load without validation against a trusted certificate authority.

    defense_evasion

  • Executes dropped EXE

  • Loads dropped DLL

  • Obfuscated with Agile.Net obfuscator

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    agilenet

  • Reads data files stored by FTP clients

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer

  • 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

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • 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.

  behavioral1