General

  • Target

    5ea34b7e57eb2739364fff49d71fbc67212b27499895774cf93406c089333a1f

  • Size

    1.8MB

  • Sample

    221124-rs34raae35

  • MD5

    f61bebd8595855ca793d49504a6e2279

  • SHA1

    0c587b33a558133029604088a9f7168d49dd2061

  • SHA256

    5ea34b7e57eb2739364fff49d71fbc67212b27499895774cf93406c089333a1f

  • SHA512

    2f22cf2e4ac51e114b13f2f93c3fd5fb784f19de0f4532b0f0c621fc03ed3cd5dc29ea259e4ae9edd683794989af1a3b259bfd710dfff77f78ec2c1e06a2c34c

  • SSDEEP

    49152:exNweeYjnVbRNz7XiN0RcXuXqUVOsDz109IFLgeRxA8q:eHJeYjzNviUcXuXXbdoIFkjT

Malware Config

Targets

    • Target

      setup.exe

    • Size

      584KB

    • MD5

      5dd749927d1bfce97a8e766941decefa

    • SHA1

      2f14dfca70001ac41433eba2feaeb3dd99379ada

    • SHA256

      516fb75211c7bce16a5e0c625e25eebda7f2103ebece1473a7a45094cf79f12a

    • SHA512

      9a8ae0478664470f264479c84cccef46a0c59432599acff6d7fca0334a866beed03520414d2c4a0cc1a86afbb705715f307df3e50bc7917b23361ffa858c4050

    • SSDEEP

      12288:VbD1UDWNSVbJIwnPaBlPZ4SEha829ffi2Jx3h6wq6/c:V/1ULbJIwPOySEha/9ni2J18wq6/c

    • Modifies system executable filetype association

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Registers COM server for autorun

    • 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.

    • Target

      Ѫͳ1.1 .exe

    • Size

      2.3MB

    • MD5

      7258d5fd3bab7e9802b93573819261eb

    • SHA1

      04beccacb05c553cb4debd377bc43403862e2b9a

    • SHA256

      f96ae6955319db901b55aa276508d1ad6e5ac3fee50daf93993a2efff19104e2

    • SHA512

      cd3f2e8da8e6f4b6270723075f9f2116b90fc5e5188ffa6aa4856b4cb5642a4d45f2370374c4c628f0dd0a17fce9aec3a23369d7232487ac62750725ed85a971

    • SSDEEP

      49152:5bNNjlTAj0pkfuxLkbXMU9bmk3cMjlG91Fyc:HN9Akkfue4O3BSF

    Score
    5/10
    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks