General

  • Target

    ae57550d71ebf3957a2221f0b9cf58cfe8a119ef8f8ca4ab4c839aa3b3424867.elf

  • Size

    83KB

  • Sample

    250131-eyz8tsykat

  • MD5

    8c6e6dc4f224e20117ff59bdf8fe79bf

  • SHA1

    9dc4b87c2a0762e8aa969c4ef6ebd52c52a4a5eb

  • SHA256

    ae57550d71ebf3957a2221f0b9cf58cfe8a119ef8f8ca4ab4c839aa3b3424867

  • SHA512

    519b7a62010b422135077c7900b3590a381d701c789ff9c4ad45d091ec1b657d29d61fb2037f4a5113a63e2b05fb3bad25e61d136dd54a4347059c6f5dab299e

  • SSDEEP

    1536:GTqRR2Rm+KCVWMLN3kHEIbAjp6gaDMQc1DI1MwUwl4jz1uhOTo8DBDYTIIM:62Rgm+H1LN27bAFNagQc1s2wUwo1uhOH

Malware Config

Extracted

Family

mirai

Botnet

UNSTABLE

C2

dkdrlahhwlxptmxm2.p-e.kr

Targets

    • Target

      ae57550d71ebf3957a2221f0b9cf58cfe8a119ef8f8ca4ab4c839aa3b3424867.elf

    • Size

      83KB

    • MD5

      8c6e6dc4f224e20117ff59bdf8fe79bf

    • SHA1

      9dc4b87c2a0762e8aa969c4ef6ebd52c52a4a5eb

    • SHA256

      ae57550d71ebf3957a2221f0b9cf58cfe8a119ef8f8ca4ab4c839aa3b3424867

    • SHA512

      519b7a62010b422135077c7900b3590a381d701c789ff9c4ad45d091ec1b657d29d61fb2037f4a5113a63e2b05fb3bad25e61d136dd54a4347059c6f5dab299e

    • SSDEEP

      1536:GTqRR2Rm+KCVWMLN3kHEIbAjp6gaDMQc1DI1MwUwl4jz1uhOTo8DBDYTIIM:62Rgm+H1LN27bAFNagQc1s2wUwo1uhOH

    • Mirai

      Mirai is a prevalent Linux malware infecting exposed network devices.

    • Mirai family

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • Creates/modifies Cron job

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

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

    • Writes file to system bin folder

    • Modifies Bash startup script

MITRE ATT&CK Enterprise v15

Tasks