Overview

overview

10

Static

static

10

5r3fqt67ew...86.elf

ubuntu-22.04-amd64

9

Analysis

  • max time kernel
    52s
  • max time network
    150s
  • platform
    ubuntu-22.04_amd64
  • resource
    ubuntu2204-amd64-20250224-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2204-amd64-20250224-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
  • submitted
    07/03/2025, 13:42

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    5r3fqt67ew531has4231.x86.elf

  • Size

    87KB

  • MD5

    6d70f889cd1bdf08feb9513f96075e40

  • SHA1

    52dab91077f4232c39458029347c92357269b654

  • SHA256

    cc2f5fcbd00aa4a61b88e4a8899a31904b84882406bb5681f05f191eff39e43c

  • SHA512

    3f5cf7123cd312b1ebc51031f7d8a61b347f1862af43bbd2e9a45bfbb4fd9f40956f4bf63b7d605efdd2c63ced3600324dd7954ac2c7156f861664142854791e

  • SSDEEP

    1536:3Xzz9YFHM7EXGcKTPFHuvgjGbGrIW9Lg3LjUydFEiTLuRLHXKhZGowbZnZS:zz9YFHqMUTNOvgcGdL4LTdFPLuRb6pw6

Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (197370) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Changes its process name 1 IoCs
  • Reads runtime system information 2 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/5r3fqt67ew531has4231.x86.elf
    /tmp/5r3fqt67ew531has4231.x86.elf
    1⤵
    • Changes its process name
    PID:1570
    • /bin/sh
      sh -c "rm -rf bin/busybox && mkdir bin; >bin/busybox && mv /tmp/5r3fqt67ew531has4231.x86.elf bin/busybox; chmod 777 bin/busybox"
      2⤵
      • File and Directory Permissions Modification
      • Writes file to tmp directory
      PID:1571
      • /usr/bin/rm
        rm -rf bin/busybox
        3⤵
          PID:1572
        • /usr/bin/mkdir
          mkdir bin
          3⤵
          • Reads runtime system information
          PID:1573
        • /usr/bin/mv
          mv /tmp/5r3fqt67ew531has4231.x86.elf bin/busybox
          3⤵
          • Reads runtime system information
          PID:1574
        • /usr/bin/chmod
          chmod 777 bin/busybox
          3⤵
          • File and Directory Permissions Modification
          PID:1575

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads