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Linux
Analysis Report
la.bot.m68k.elf
Overview
General Information
| Sample name: | la.bot.m68k.elf |
| Analysis ID: | 1565975 |
| MD5: | 96916f40fe93a1e31bed8ff47e5f1694 |
| SHA1: | 3b5f25c095832e2c3242b86165dcbd26723dc142 |
| SHA256: | 206e07068d101b5700173d292fe325268732b1fcf603859b6660792d21b2fe20 |
| Tags: | elfuser-abuse_ch |
| Infos: |  |
 | |
Detection
Mirai
| Score: | 60 |
| Range: | 0 - 100 |
| Whitelisted: | false |
Signatures
Yara detected Mirai
Deletes system log files
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Sample tries to kill multiple processes (SIGKILL)
Creates hidden files and/or directories
Enumerates processes within the "proc" file system
Executes the "rm" command used to delete files or directories
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Sample listens on a socket
Sample tries to kill a process (SIGKILL)
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
| Joe Sandbox version: | 41.0.0 Charoite |
| Analysis ID: | 1565975 |
| Start date and time: | 2024-12-01 03:23:00 +01:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 5m 30s |
| Hypervisor based Inspection enabled: | false |
| Report type: | full |
| Cookbook file name: | defaultlinuxfilecookbook.jbs |
| Analysis system description: | Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11) |
| Analysis Mode: | default |
| Sample name: | la.bot.m68k.elf |
| Detection: | MAL |
| Classification: | mal60.spre.troj.evad.linELF@0/1@0/0 |
- Excluded IPs from analysis (whitelisted): 208.67.222.222
- Report size exceeded maximum capacity and may have missing network information.
| Command: | /tmp/la.bot.m68k.elf |
| PID: | 6263 |
| Exit Code: | 0 |
| Exit Code Info: | |
| Killed: | False |
| Standard Output: | thIs wEek on xLaB lEarNs nOthinG xd |
| Standard Error: |
- system is lnxubuntu20
- la.bot.m68k.elf New Fork (PID: 6265, Parent: 6263)
- la.bot.m68k.elf New Fork (PID: 6266, Parent: 6263)
- la.bot.m68k.elf New Fork (PID: 6268, Parent: 6263)
- la.bot.m68k.elf New Fork (PID: 6271, Parent: 6268)
- dash New Fork (PID: 6319, Parent: 4331)
- dash New Fork (PID: 6320, Parent: 4331)
- cleanup
| Name | Description | Attribution | Blogpost URLs | Link |
|---|---|---|---|---|
| Mirai | Mirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world. | No Attribution |
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_Mirai_8 | Yara detected Mirai | Joe Security |
| Source | Rule | Description | Author | Strings |
|---|---|---|---|---|
| JoeSecurity_Mirai_8 | Yara detected Mirai | Joe Security |
⊘No Suricata rule has matched
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