General

  • Target

    b84ec8d2286ecb64f4164633be39421b

  • Size

    60KB

  • Sample

    240307-kkmy8sgf2w

  • MD5

    b84ec8d2286ecb64f4164633be39421b

  • SHA1

    7b09fb48eefb27acadf53aed331a24211ce78a72

  • SHA256

    71b478d4ad418cfb6ec620ea213a3f5c6a64bd34f23d8f43de81df01465bcbad

  • SHA512

    f31cbcf9b8a6e935f8ca8341aac462c059a1c08ddeba4986fbd7d2224917bdbaad21d1fb0dfb437b9385998c74e856c36387e7785018f4bea8cc4a217ce87844

  • SSDEEP

    1536:/F2cc2/ndOQvL0KKGdAkKFOmm5air0TI9:/F2ccQh2v47ccyI9

Malware Config

Targets

    • Target

      b84ec8d2286ecb64f4164633be39421b

    • Size

      60KB

    • MD5

      b84ec8d2286ecb64f4164633be39421b

    • SHA1

      7b09fb48eefb27acadf53aed331a24211ce78a72

    • SHA256

      71b478d4ad418cfb6ec620ea213a3f5c6a64bd34f23d8f43de81df01465bcbad

    • SHA512

      f31cbcf9b8a6e935f8ca8341aac462c059a1c08ddeba4986fbd7d2224917bdbaad21d1fb0dfb437b9385998c74e856c36387e7785018f4bea8cc4a217ce87844

    • SSDEEP

      1536:/F2cc2/ndOQvL0KKGdAkKFOmm5air0TI9:/F2ccQh2v47ccyI9

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Changes its process name

    • Deletes system logs

      Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

    • Executes dropped EXE

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • Loads a kernel module

      Loads a Linux kernel module, potentially to achieve persistence

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • Attempts to change immutable files

      Modifies inode attributes on the filesystem to allow changing of immutable files.

    • Checks CPU configuration

      Checks CPU information which indicate if the system is a virtual machine.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Disables AppArmor

      Disables AppArmor security module.

    • Disables SELinux

      Disables SELinux security module.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads CPU attributes

    • Write file to user bin folder

MITRE ATT&CK Enterprise v15

Tasks