Extracted

• • Target

    sample

  • Size

    21KB

  • MD5

    a1d5921a1d53a08d66a22e2eefdfe1f2

  • SHA1

    e840a6ff5e9f439334aa9e0858afec7abbe78d5c

  • SHA256

    3e3a0c2cbb2fe6b325f14d2c0a353647dcda20c3bc46d0e8da959ed47b702261

  • SHA512

    e95fad32e169a2aca7841eaf3adea6f30d187149dc2e15f0f8ebcbd50cc6cf86d8f49788651ffea8b35e844e28762ec64e573a369c805fe32530df6970aa2083

  • SSDEEP

    384:MPU1spa1ocy444lbGaYMvhpNMi98sHtjFro2REu4Y0wM1Ozf51xCejiw:MPUv1ocy43EajJpNn9V9FrEu4Y0wM14n

  Score

  10^/10

  discoverychimeracrimsonratinfinitylockbootkitcredential_accessdefense_evasionevasionlateral_movementmacromacro_on_actionpersistenceprivilege_escalationransomwareratspywarestealertrojanupxxlm

  • Chimera

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

    ransomwarechimera

  • CrimsonRAT main payload

  • CrimsonRat

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

    ratcrimsonrat

  • InfinityLock Ransomware

    Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

    ransomwareinfinitylock

  • Modifies visibility of file extensions in Explorer

    evasion

  • UAC bypass

    evasiontrojan

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Remote Service Session Hijacking: RDP Hijacking

    Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    lateral_movement

  • Renames multiple (19396) files with added filename extension

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

    ransomware

  • Disables RegEdit via registry modification

    evasion

  • Disables Task Manager via registry modification

    evasion

  • Downloads MZ/PE file

  • Modifies Windows Firewall

    evasion

  • Office macro that triggers on suspicious action

    Office document macro which triggers in special circumstances - often malicious.

    macromacro_on_action

  • Sets file to hidden

    Modifies file attributes to stop it showing in Explorer etc.

    evasion

  • Sets service image path in registry

    persistence

  • Suspicious Office macro

    Office document equipped with 4.0 macros.

    macroxlm

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • Loads dropped DLL

  • 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

  • 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.

  • Modifies WinLogon

    persistence

  • Password Policy Discovery

    Attempt to access detailed information about the password policy used within an enterprise network.

    discovery

  • 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

  • Hide Artifacts: Hidden Users

    defense_evasion

  • UPX packed file

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

    upx
  behavioral1behavioral2