Overview

overview

10

Static

static

10

629d6186d7...9a8ec1

debian-12-armhf

10

Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260127-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260127-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    30/09/2026, 16:07

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General

  • Target
    629d6186d7c3af37a10aef5d1062cd644161331fd52121069c215536c69a8ec1
  • Size 113KB
  • Sample260930-tkp82azbla
  • SHA256 629d6186d7c3af37a10aef5d1062cd644161331fd52121069c215536c69a8ec1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
botnetdiscoveryexecutionflylegitbotpersistenceprivilege_escalation

Malware Config

Signatures

  • Family: FlyLegitBot

    FlyLegitBot is a Mirai-based botnet.

    botnetflylegitbot
  • Detects FlyLegitBot 1 IoCs
  • Deletes itself 1 IoCs
  • Creates/modifies Cron job 1 TTPs 1 IoCs

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

    executionpersistenceprivilege_escalation
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    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 1 IoCs
  • Command and Scripting Interpreter: Unix Shell 1 TTPs 2 IoCs

    Execute scripts via Unix Shell.

    execution
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/629d6186d7c3af37a10aef5d1062cd644161331fd52121069c215536c69a8ec1
    /tmp/629d6186d7c3af37a10aef5d1062cd644161331fd52121069c215536c69a8ec1
    1⤵
    • Deletes itself
    • Modifies init.d
    • Modifies systemd
    • Write file to user bin folder
    • Changes its process name
    • Reads runtime system information
    PID:783
    • /bin/sh
      /bin/sh -c "systemctl enable OqSZ3WsAZn1.service >/dev/null 2>&1 || true"
      2⤵
      • Command and Scripting Interpreter: Unix Shell
      PID:789
      • /usr/bin/systemctl
        systemctl enable OqSZ3WsAZn1.service
        3⤵
          PID:793
      • /bin/sh
        sh -c "crontab -l 2>/dev/null"
        2⤵
          PID:826
          • /usr/bin/crontab
            crontab -l
            3⤵
              PID:827
          • /bin/sh
            /bin/sh -c "(crontab -l 2>/dev/null; echo '@reboot /usr/local/bin/OqSZ3WsAZn1gOTn &') | crontab -"
            2⤵
            • Command and Scripting Interpreter: Unix Shell
            PID:828
            • /usr/bin/crontab
              crontab -
              3⤵
              • Creates/modifies Cron job
              PID:830
            • /usr/bin/crontab
              crontab -l
              3⤵
                PID:831

          Network

                MITRE ATT&CK Enterprise v16

                Reconnaissance

                Resource Development

                Initial Access

                Execution

                Command and Scripting Interpreter

                1
                T1059

                Unix Shell

                1
                T1059.004

                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

                Lateral Movement

                Collection

                Command and Control

                Exfiltration

                Impact

                Replay Monitor

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                Downloads

                zc8skEsGy45
                • Path /etc/init.d/zc8skEsGy45
                • Size 181B
                • SHA256 6da7925b0506725eeb323e903dd71499741798c300b02034205c9c52f933dcc6
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                OqSZ3WsAZn1.service
                • Path /etc/systemd/system/OqSZ3WsAZn1.service
                • Size 186B
                • SHA256 5410beffc82809db23f2961358f65eb928f384ad81740cc8feca04beaa5a774c
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                OqSZ3WsAZn1gOTn
                • Path /usr/local/bin/OqSZ3WsAZn1gOTn
                • Size 113KB
                • SHA256 629d6186d7c3af37a10aef5d1062cd644161331fd52121069c215536c69a8ec1
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                tmp.XPDQ58
                • Path /var/spool/cron/crontabs/tmp.XPDQ58
                • Size 216B
                • SHA256 a48690f72b7a5634e6107f655bf109eb77bae94d69460d0712c02a8495c2e3e4
                • MD5 SHA1 SHA512 TLSH
                Submit Download