Extracted

• • Target
    linux_arm6.elf
  • Size 2.0MB
  • SHA256 ab5efa829175e137999b82bb96437aa11ef4bf361c69c8d4da21d5fa896d658c
  • MD5 69679f9e416e6a0f2839b1501bfb9d45
  • SHA1 6e2e64ff3c826cbae7eac9a3c107afdb5030fd5b
  • SHA512 662f6447d404d3770343ecb90b046764776860ac482e4b836f55e19ddb21c38509b45f09cd32bc601ed29739f7be311915cea110d9d92bc9466172c5332be552
  • SSDEEP 24576:JgCbFbDVZ7bVCj3ozPQPTUkrtQ05OYRWNOrdErF4ff1kRr/nyVhv8uofvsRWA1SH:VCWjuM2T1s
  • TLSH
    T1C5A50857B8918542C4E42677ACBE81C833635EB99B8663266D04FE3C3EBF2D90E35354
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  9^/10

  defense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomware

  • Renames multiple (1004) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware

  • Executes dropped EXE

  • Modifies Watchdog functionality

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

    defense_evasion

  • Creates/modifies Cron job

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

    executionpersistenceprivilege_escalation

  • Creates/modifies environment variables

    Creating/modifying environment variables is a common persistence mechanism.

    persistenceprivilege_escalationdefense_evasion

  • Disables SELinux

    Disables SELinux security module.

    defense_evasion

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d

    Adds/modifies system service, likely for persistence.

    persistence

  • Modifies systemd

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

    persistenceprivilege_escalation

  • Write file to user bin folder

    persistence

  • Modifies Bash startup script

    persistence
  behavioral1