Analysis
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max time kernel
115s -
max time network
150s -
platform
ubuntu-22.04_amd64 -
resource
ubuntu2204-amd64-20240611-en -
resource tags
arch:amd64arch:i386image:ubuntu2204-amd64-20240611-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system -
submitted
13-12-2024 14:49
Behavioral task
behavioral1
Sample
elitebotnet.x86.elf
Resource
ubuntu2204-amd64-20240611-en
General
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Target
elitebotnet.x86.elf
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Size
72KB
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MD5
5a7d6baa6e0ec7fe3e4b8d70f7c97598
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SHA1
5e320db909d429468d2ca012b7128a121272791b
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SHA256
4a4d2cb9f318d3b31c134d7ddff8b0d02b00b023a8079d064c177bb7e760f9b2
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SHA512
b1527d6be58151dde7137d71dbd027827d466dc53089166fd5c13b93bf301aeaa86ea84a23b372b2e874d0e0c30459bffc9229dc83cda1f32c732032716f7666
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SSDEEP
1536:cGzNBMNqLIwpZnrjgOSu9RjO1xIS6VTMEEHa3B1b35AYwbZnp:xNegUAnjLRjOnIS6uEEeB1D5AYwbZnp
Malware Config
Signatures
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Contacts a large (24128) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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File and Directory Permissions Modification 1 TTPs 2 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 1571 sh 1575 chmod -
Modifies rc script 2 TTPs 1 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
description ioc Process File opened for modification /etc/rc.local elitebotnet.x86.elf -
Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself /bin/watchdog 1570 elitebotnet.x86.elf -
description ioc Process File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mv -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/bin/watchdog sh
Processes
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/tmp/elitebotnet.x86.elf/tmp/elitebotnet.x86.elf1⤵
- Modifies rc script
- Changes its process name
PID:1570 -
/bin/shsh -c "rm -rf bin/watchdog && mkdir bin; >bin/watchdog && mv /tmp/elitebotnet.x86.elf bin/watchdog; chmod 777 bin/watchdog"2⤵
- File and Directory Permissions Modification
- Writes file to tmp directory
PID:1571 -
/usr/bin/rmrm -rf bin/watchdog3⤵PID:1572
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/usr/bin/mkdirmkdir bin3⤵
- Reads runtime system information
PID:1573
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/usr/bin/mvmv /tmp/elitebotnet.x86.elf bin/watchdog3⤵
- Reads runtime system information
PID:1574
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/usr/bin/chmodchmod 777 bin/watchdog3⤵
- File and Directory Permissions Modification
PID:1575
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Boot or Logon Initialization Scripts
1RC Scripts
1Privilege Escalation
Boot or Logon Autostart Execution
1Boot or Logon Initialization Scripts
1RC Scripts
1