General

  • Target

    bccb14d92fcc98d3ecfade6a5e56d321

  • Size

    300KB

  • Sample

    240309-ztbd5aag2w

  • MD5

    bccb14d92fcc98d3ecfade6a5e56d321

  • SHA1

    dfdde835ea17797d5f4643ae24dbad73f029fcac

  • SHA256

    cd1df46923524de02c032a64afbbe7316c4c40f1a4242fc8b7227cb19b9a9337

  • SHA512

    1183de00850be4b4743916876db54d0128cfd9abacfedc71927791a07467ebf4f0ec694a60541dde986a89576cffc868e4509417e6a5195d3937f6e7ef56d4b1

  • SSDEEP

    3072:phNlHuBafLeBtfCzpta8xlBIOdVo3/4sxLJ10xioK:p3lOYoaja8xzx/0wsxzSi1

Malware Config

Targets

    • Target

      bccb14d92fcc98d3ecfade6a5e56d321

    • Size

      300KB

    • MD5

      bccb14d92fcc98d3ecfade6a5e56d321

    • SHA1

      dfdde835ea17797d5f4643ae24dbad73f029fcac

    • SHA256

      cd1df46923524de02c032a64afbbe7316c4c40f1a4242fc8b7227cb19b9a9337

    • SHA512

      1183de00850be4b4743916876db54d0128cfd9abacfedc71927791a07467ebf4f0ec694a60541dde986a89576cffc868e4509417e6a5195d3937f6e7ef56d4b1

    • SSDEEP

      3072:phNlHuBafLeBtfCzpta8xlBIOdVo3/4sxLJ10xioK:p3lOYoaja8xzx/0wsxzSi1

    • Contacts a large (9042) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Changes its process name

    • Modifies Watchdog functionality

      Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    • UPX packed file

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

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks