General

  • Target

    kav21.3.10.391en_26074.exe

  • Size

    2.6MB

  • Sample

    240521-tr266sbe38

  • MD5

    db7a22234425b05bb4a1f560e112ce24

  • SHA1

    efac3e678234ac987c7f206f9f65b7de283307bb

  • SHA256

    33eee5f66a38fc66f52d7346251d1017d9a02aac7cc4c7a9cb367549d577b886

  • SHA512

    39ab0d09cd0dcb442c4fc12a07da92351f3e12a63307064573722aba02a7d2cce5d5b46dde4d3f158b96b80efb95ddf7f9e6219b979eb501b95051394a948ce8

  • SSDEEP

    49152:u47Nlau3ZHJvDrOV9Gcwb/alTe/iXMNLdcE/EBSDre/2jX8oa:ueNlau3RJOV9GvZbRDe/2zU

Malware Config

Targets

    • Target

      kav21.3.10.391en_26074.exe

    • Size

      2.6MB

    • MD5

      db7a22234425b05bb4a1f560e112ce24

    • SHA1

      efac3e678234ac987c7f206f9f65b7de283307bb

    • SHA256

      33eee5f66a38fc66f52d7346251d1017d9a02aac7cc4c7a9cb367549d577b886

    • SHA512

      39ab0d09cd0dcb442c4fc12a07da92351f3e12a63307064573722aba02a7d2cce5d5b46dde4d3f158b96b80efb95ddf7f9e6219b979eb501b95051394a948ce8

    • SSDEEP

      49152:u47Nlau3ZHJvDrOV9Gcwb/alTe/iXMNLdcE/EBSDre/2jX8oa:ueNlau3RJOV9GvZbRDe/2zU

    • Loads dropped DLL

    • Checks for any installed AV software in registry

    • 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 Enterprise v15

Tasks