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Linux
Analysis Report
la.bot.arm.elf
Overview
General Information
| Sample name: | la.bot.arm.elf |
| Analysis ID: | 1544415 |
| MD5: | 5a721ad1f7308df4f64707013a32a5ac |
| SHA1: | dca2920477f414865f04f9f3c834c25e1c0aaf55 |
| SHA256: | 494d81beea4415898ddabc02dfa7ab9a44208fc624a995141257f3fdeb3d4ee4 |
| Tags: | elfuser-abuse_ch |
| Infos: | |
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Detection
| Score: | 60 |
| Range: | 0 - 100 |
| Whitelisted: | false |
Signatures
Multi AV Scanner detection for submitted file
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Creates hidden files and/or directories
Detected TCP or UDP traffic on non-standard ports
Enumerates processes within the "proc" file system
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)
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)
Classification
| Joe Sandbox version: | 41.0.0 Charoite |
| Analysis ID: | 1544415 |
| Start date and time: | 2024-10-29 11:47:05 +01:00 |
| Joe Sandbox product: | CloudBasic |
| Overall analysis duration: | 0h 5m 1s |
| 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.arm.elf |
| Detection: | MAL |
| Classification: | mal60.troj.evad.linELF@0/0@1/0 |
- Report size exceeded maximum capacity and may have missing network information.
- VT rate limit hit for: la.bot.arm.elf
| Command: | /tmp/la.bot.arm.elf |
| PID: | 6210 |
| Exit Code: | 0 |
| Exit Code Info: | |
| Killed: | False |
| Standard Output: | thIs wEek on xLaB lEarNs nOthinG xd |
| Standard Error: |
- system is lnxubuntu20
- la.bot.arm.elf New Fork (PID: 6212, Parent: 6210)
- la.bot.arm.elf New Fork (PID: 6214, Parent: 6210)
- la.bot.arm.elf New Fork (PID: 6256, Parent: 6210)
- la.bot.arm.elf New Fork (PID: 6265, Parent: 6256)
- cleanup
⊘No yara matches
⊘No Suricata rule has matched
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AV Detection |   |
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| Source: | ReversingLabs: | ||
| Source: | String: | ||
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