Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    20/08/2026, 02:08

General

  • Target
    x86_64.elf
  • Size 175KB
  • Sample260820-ckskqaah97
  • SHA256 dc2a1a46c9f2849eb08496416d5d040b43db95ec52ff5fc49a91ca629dccc756
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Changes its process name 2 IoCs
  • Checks CPU configuration 1 TTPs 1 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/x86_64.elf
    /tmp/x86_64.elf
    1⤵
    • Changes its process name
    • Reads runtime system information
    PID:1467
    • /sbin/iptables
      iptables -w -D INPUT -j LOCKER_INPUT
      2⤵
        PID:1473
      • /sbin/iptables
        iptables -w -X LOCKER_INPUT
        2⤵
          PID:1476
      • /proc/self/fd/5
        cron
        1⤵
        • Deletes itself
        • Checks CPU configuration
        PID:1469

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .disabled.list

            • Path /run/.disabled.list
            • Size 13B
            • SHA256 28cc62c98b48bed3beca77ada5711df900365685c0c24362831decac4147b6e6
            • MD5 SHA1 SHA512

            .disabled.list

            • Path /run/.disabled.list
            • Size 28B
            • SHA256 ee1b8469298c3a0f7893092a0b87371dcc76970f494298339d5eaf9a73113a46
            • MD5 SHA1 SHA512

            .disabled.list

            • Path /run/.disabled.list
            • Size 41B
            • SHA256 222260ceec44631991e914d897f699100498c3b3967c9033580c97c71b8e1f49
            • MD5 SHA1 SHA512

            .disabled.list

            • Path /run/.disabled.list
            • Size 54B
            • SHA256 e84c0150ec7fe999e90d35732e0df28e1a0970d4bf5a7b30007d0380f566d671
            • MD5 SHA1 SHA512 TLSH

            .locker.pid.tmp

            • Path /run/.locker.pid.tmp
            • Size 4B
            • SHA256 e5ce886c0b0869006dc9a2da28fcd4f1f291f4a90835b75edb74587b66e5acc9
            • MD5 SHA1 SHA512