General

  • Target

    g.rar

  • Size

    229KB

  • Sample

    241130-cd65ja1mbp

  • MD5

    478414f347baf851f794d8d55fbfa973

  • SHA1

    66ce3d78cd80ad2ae5e4eb695a78dbc30c8499d9

  • SHA256

    827944a023e7bfc83a2a7c226f19bd8c63c298e1403cf5cadecd44339e02418b

  • SHA512

    1196373f58fa253d21d9af2e03880286ee22a92f7c0a23c7640045ec03dd20c5c664fb46a475f38e5407b605e76043e4c3fcd2bd7e76f7535d41f7111810753c

  • SSDEEP

    6144:SlLn6aGZ0ahJxfxO5lqHChx1eptCecCie:SlLnFW7xfxOwChx8tCedT

Malware Config

Targets

    • Target

      f/BootstrapperV1.23.exe

    • Size

      800KB

    • MD5

      02c70d9d6696950c198db93b7f6a835e

    • SHA1

      30231a467a49cc37768eea0f55f4bea1cbfb48e2

    • SHA256

      8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

    • SHA512

      431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

    • SSDEEP

      12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

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

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks