Extracted

• • Target

    __data

  • Size

    9.2MB

  • MD5

    5c2e1da3892e9ed4cbafbfd3859b9867

  • SHA1

    3aa36c887a1e6b0c01a0b6b16c49ecc69ce931a5

  • SHA256

    a3f0b7fd84781dbb396f686c4c6268a573824a11f50a39d75d725952adf57466

  • SHA512

    b2f2c45aca4770dc8a68215ff027b7a1c83d4398576170f6bbda340933a441a20f5ee05a9877c0ff29e0f3c952293775ff84470b0d6cc9e564c0195f54ba5679

  • SSDEEP

    196608:ln7CTef8UQww18jdK+Fi6lwIHE9ZhkEnKIX:le2g71gdKhvh5KO

  Score

  10^/10

  crimsonrataspackv2defense_evasiondiscoveryevasionexecutionimpactpersistenceprivilege_escalationransomwarerattrojan

  • CrimsonRAT main payload

  • CrimsonRat

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

    ratcrimsonrat

  • Modifies WinLogon for persistence

    persistence

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • UAC bypass

    evasiontrojan

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Blocklisted process makes network request

  • 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

  • Disables RegEdit via registry modification

    evasion

  • Disables Task Manager via registry modification

    evasion

  • Disables use of System Restore points

    evasion

  • Downloads MZ/PE file

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Modifies Windows Firewall

    evasion

  • ASPack v2.12-2.42

    Detects executables packed with ASPack v2.12-2.42

    aspackv2

  • Executes dropped EXE

  • Impair Defenses: Safe Mode Boot

    defense_evasion

  • Loads dropped DLL

  • 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

  • Checks whether UAC is enabled

    evasiontrojan

  • Drops desktop.ini file(s)

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1