Extracted

• • Target
    yfga_game.exe
  • Size 46.3MB
  • SHA256 b504f25f7354744305e326bf74567fff4021bcdf54e30d69e4404b3fa4d2eaaf
  • MD5 14b51172d4f9f29c2478c8316b4cc5dd
  • SHA1 fe9f4e65ffd203192859988e232407b62d2dfd61
  • SHA512 cff063623701d5d0e7f960f08da81731821a8427fa45c88affc6adc46828fabbb526fa41c58d180604b98f0e7d56f6bda6cc1eb30f2224106f44471e18537a16
  • SSDEEP 786432:G7Ud58tChs1g2uzRL7KPB8NUc3sXEPeEwkHYvgctIKpJZXnfsrQl92Z3tHDUOsj1:yt96576B0HkGUvgcaKpDPBl92HHDdsGy
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  wannacryaspackv2bootkitdefense_evasiondiscoveryevasionexecutionexploitimpactpersistenceprivilege_escalationransomwarespywarestealertrojanupxworm

  • Modifies visiblity of hidden/system files in Explorer

    evasion

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • 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 Task Manager via registry modification

    evasion

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Manipulates Digital Signatures

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Modifies Windows Firewall

    evasion

  • Possible privilege escalation attempt

    exploit

  • Sets service image path in registry

    persistence

  • ASPack v2.12-2.42

    Detects executables packed with ASPack v2.12-2.42

    aspackv2

  • 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

  • Unexpected DNS network traffic destination

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application

    persistence

  • Checks for any installed AV software in registry

  • 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)

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    defense_evasion

  • 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
  behavioral1behavioral2