General

  • Target

    e787844eb32181370dd1eea2c0340a7bbdf1b45ca84119ab2835419b2d435609

  • Size

    1.6MB

  • Sample

    220520-d4ba8afhc7

  • MD5

    be0f8e6d545ddc8c2cfedb76ad965a19

  • SHA1

    37fbc96b83ad23e9d8102351c18944e58450f927

  • SHA256

    e787844eb32181370dd1eea2c0340a7bbdf1b45ca84119ab2835419b2d435609

  • SHA512

    cb7619971f232c4976b8cdd8cb3116a981e1b5433a87fffdda74880e6b29f9d7fc32bc1f30bb425ee000af6a48cc982ede2e693976631cd4fc989daa048c3589

Malware Config

Targets

    • Target

      e787844eb32181370dd1eea2c0340a7bbdf1b45ca84119ab2835419b2d435609

    • Size

      1.6MB

    • MD5

      be0f8e6d545ddc8c2cfedb76ad965a19

    • SHA1

      37fbc96b83ad23e9d8102351c18944e58450f927

    • SHA256

      e787844eb32181370dd1eea2c0340a7bbdf1b45ca84119ab2835419b2d435609

    • SHA512

      cb7619971f232c4976b8cdd8cb3116a981e1b5433a87fffdda74880e6b29f9d7fc32bc1f30bb425ee000af6a48cc982ede2e693976631cd4fc989daa048c3589

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • suricata: ET MALWARE Possible Windows executable sent when remote host claims to send a Text File

      suricata: ET MALWARE Possible Windows executable sent when remote host claims to send a Text File

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets file execution options in registry

    • UPX packed file

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

3
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

3
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks