Overview

overview

6

Static

static

1

mipsel.elf

debian-12-mipsel

6

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20260513-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20260513-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    07/08/2026, 08:45

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General

  • Target
    mipsel.elf
  • Size 231KB
  • Sample260807-kn6whstycs
  • SHA256 e7582e9a1921e105eb46885a85d67db37e3a9eb37bd4c212953ca7d17ddf1eeb
  • 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
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  • 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 3 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

    discovery

Processes

  • /tmp/mipsel.elf
    /tmp/mipsel.elf
    1⤵
    • Modifies rc script
    • Modifies systemd
    • Write file to user bin folder
    • Changes its process name
    • Reads runtime system information
    • System Network Configuration Discovery
    PID:805
    • /bin/sh
      sh -c "systemctl enable 2yq383meiqt.service >/dev/null 2>&1"
      2⤵
        PID:809
        • /usr/bin/systemctl
          systemctl enable 2yq383meiqt.service
          3⤵
          • Reads runtime system information
          PID:811
      • /bin/sh
        sh -c "(crontab -l 2>/dev/null | grep -qF '/usr/local/bin/o0cx4rad4t5bdr5') || { (crontab -l 2>/dev/null; echo '@reboot /usr/local/bin/o0cx4rad4t5bdr5 &') | crontab -; } >/dev/null 2>&1"
        2⤵
          PID:856
          • /usr/bin/crontab
            crontab -l
            3⤵
              PID:858
            • /usr/bin/grep
              grep -qF /usr/local/bin/o0cx4rad4t5bdr5
              3⤵
              • Reads runtime system information
              PID:859
            • /usr/bin/crontab
              crontab -
              3⤵
              • Creates/modifies Cron job
              PID:861
            • /usr/bin/crontab
              crontab -l
              3⤵
                PID:862

          Network

                MITRE ATT&CK Enterprise v16

                Reconnaissance

                Resource Development

                Initial Access

                Execution

                Scheduled Task/Job

                1
                T1053

                Cron

                1
                T1053.003

                Persistence

                Boot or Logon Autostart Execution

                2
                T1547

                XDG Autostart Entries

                1
                T1547.013

                Boot or Logon Initialization Scripts

                1
                T1037

                RC Scripts

                1
                T1037.004

                Create or Modify System Process

                1
                T1543

                Systemd Service

                1
                T1543.002

                Scheduled Task/Job

                1
                T1053

                Cron

                1
                T1053.003

                Privilege Escalation

                Boot or Logon Autostart Execution

                2
                T1547

                XDG Autostart Entries

                1
                T1547.013

                Boot or Logon Initialization Scripts

                1
                T1037

                RC Scripts

                1
                T1037.004

                Create or Modify System Process

                1
                T1543

                Systemd Service

                1
                T1543.002

                Scheduled Task/Job

                1
                T1053

                Cron

                1
                T1053.003

                Defense Evasion

                Credential Access

                Discovery

                System Network Configuration Discovery

                2
                T1016

                Internet Connection Discovery

                1
                T1016.001

                Lateral Movement

                Collection

                Command and Control

                Exfiltration

                Impact

                Replay Monitor

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                Downloads

                2yq383meiqt.service
                • Path /etc/systemd/system/2yq383meiqt.service
                • Size 186B
                • SHA256 9eb2061d6e138cbb408c3872cdd1714af08b12d87f63533a0413a95f47d5900d
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                o0cx4rad4t5bdr5
                • Path /usr/local/bin/o0cx4rad4t5bdr5
                • Size 231KB
                • SHA256 e7582e9a1921e105eb46885a85d67db37e3a9eb37bd4c212953ca7d17ddf1eeb
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                tmp.lAREIo
                • Path /var/spool/cron/crontabs/tmp.lAREIo
                • Size 216B
                • SHA256 45994e19e15f16ddf62ad5222197ba0b59096fb795cd499c22b657d3e80277c3
                • MD5 SHA1 SHA512 TLSH
                Submit Download