Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260127-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260127-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    10/05/2026, 12:19

General

  • Target
    amd64.elf
  • Size 4.7MB
  • Sample260510-phebjabs3n
  • SHA256 3748ac46365da967842bc6208c880ea7bab92458f2ada64bafb2c911f4c0af90
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates/modifies environment variables 1 TTPs 3 IoCs

    Creating/modifying environment variables is a common persistence mechanism.

  • Write file to user bin folder 2 IoCs
  • Modifies Bash startup script 2 TTPs 3 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/amd64.elf
    /tmp/amd64.elf
    1⤵
    • Creates/modifies environment variables
    • Write file to user bin folder
    • Modifies Bash startup script
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:1520

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        sysd

        • Path /usr/bin/sysd
        • Size 4.7MB
        • SHA256 3748ac46365da967842bc6208c880ea7bab92458f2ada64bafb2c911f4c0af90
        • MD5 SHA1 SHA512 SSDEEP TLSH