Overview

overview

6

Static

static

1

x86

ubuntu-18.04-amd64

6

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • 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
    04/08/2026, 12:16

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General

  • Target
    x86
  • Size 113KB
  • Sample260804-pfxebsel7t
  • SHA256 87f4f402ee39b5c1c0a3e90671f14bbf247a70ffffdfa799edd9d63da6a41290
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoveryexecutionpersistenceprivilege_escalation

Malware Config

Signatures

  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalation
  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

    persistence
  • Modifies systemd 2 TTPs 1 IoCs

    Adds/ modifies systemd service files. Likely to achieve persistence.

    persistenceprivilege_escalation
  • Write file to user bin folder 1 IoCs
    persistence
  • Changes its process name 5 IoCs
  • Reads runtime system information 7 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/x86
    /tmp/x86
    1⤵
    • Modifies rc script
    • Modifies systemd
    • Write file to user bin folder
    • Changes its process name
    • Reads runtime system information
    PID:1488
    • /bin/sh
      sh -c "systemctl enable cy175ts5txm.service >/dev/null 2>&1"
      2⤵
        PID:1492
        • /bin/systemctl
          systemctl enable cy175ts5txm.service
          3⤵
          • Reads runtime system information
          PID:1495
      • /bin/sh
        sh -c "crontab -l 2>/dev/null"
        2⤵
          PID:1517
          • /usr/bin/crontab
            crontab -l
            3⤵
              PID:1518
          • /bin/sh
            sh -c "(crontab -l 2>/dev/null; echo '@reboot /usr/local/bin/sc97d3bdsx6lpon &') | crontab -"
            2⤵
              PID:1519
              • /usr/bin/crontab
                crontab -
                3⤵
                • Creates/modifies Cron job
                PID:1521
              • /usr/bin/crontab
                crontab -l
                3⤵
                  PID:1522

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  tmp.cOehVx
                  • Path /var/spool/cron/crontabs/tmp.cOehVx
                  • Size 216B
                  • SHA256 63450915608f56b2ac449e84f2fc1b964eeafb19d900e6841b47046474618d42
                  • MD5 SHA1 SHA512 TLSH
                  Submit Download