Analysis
- max time kernel
149s - max time network
129s - platform
ubuntu-18.04_amd64 - resource
ubuntu1804-amd64-20260513-en - resource tags
- submitted
23/05/2026, 12:44
General
- Target c13d94ab573fccc46cb5eb6b21542da57c19ffac0ee69a751d7b834de623e2e3
- Size 107KB
- Sample260523-pygrlacw2s
- SHA256 c13d94ab573fccc46cb5eb6b21542da57c19ffac0ee69a751d7b834de623e2e3
Malware Config
Signatures
- File and Directory Permissions Modification 1 TTPs 2 IoCs
Adversaries may modify file or directory permissions to evade defenses.
- Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
- Creates/modifies environment variables 1 TTPs 1 IoCs
Creating/modifying environment variables is a common persistence mechanism.
- 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.
- Modifies rc script 2 TTPs 1 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
- Modifies systemd 2 TTPs 1 IoCs
Adds/ modifies systemd service files. Likely to achieve persistence.
- Modifies Bash startup script 2 TTPs 1 IoCs
- Changes its process name 1 IoCs
- Reads CPU attributes 1 TTPs 1 IoCs
- Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
- Writes file to tmp directory 2 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/c13d94ab573fccc46cb5eb6b21542da57c19ffac0ee69a751d7b834de623e2e3/tmp/c13d94ab573fccc46cb5eb6b21542da57c19ffac0ee69a751d7b834de623e2e31⤵
- Creates/modifies Cron job
- Creates/modifies environment variables
- Modifies init.d
- Modifies rc script
- Modifies systemd
- Modifies Bash startup script
- Changes its process name
- Writes file to tmp directory
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/bin/shsh -c "killall -9 mirai 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 mirai3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 mozi 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 mozi3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 tsunami 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 tsunami3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 kaiten 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 kaiten3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 dlr 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 dlr3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 hack 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 hack3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 miner 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 miner3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 xig 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 xig3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 pwn 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 pwn3⤵
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/bin/shsh -c "killall -9 kek 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 kek3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 lul 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 lul3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 bot1 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 bot13⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 bot2 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 bot23⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 bot3 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 bot33⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 perl 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 perl3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 python 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 python3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 ruby 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 ruby3⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 php5 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 php53⤵
- Reads runtime system information
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/bin/shsh -c "killall -9 node 2>/dev/null"2⤵
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/usr/bin/killallkillall -9 node3⤵
- Reads runtime system information
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/bin/shsh -c "pkill -9 -f '\\.d|\\.s|\\.p|\\.b|\\.x|/tmp/\\.' 2>/dev/null"2⤵
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/usr/bin/pkillpkill -9 -f "\\.d|\\.s|\\.p|\\.b|\\.x|/tmp/\\."3⤵
- Reads CPU attributes
- Reads runtime system information
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/bin/shsh -c "mkdir -p /usr/share/dbus-1 2>/dev/null"2⤵
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/bin/mkdirmkdir -p /usr/share/dbus-13⤵
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/bin/shsh -c "cp /proc/self/exe /usr/share/dbus-1/dbus-daemon 2>/dev/null"2⤵
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/bin/cpcp /proc/self/exe /usr/share/dbus-1/dbus-daemon3⤵
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/bin/shsh -c "chmod 777 /usr/share/dbus-1/dbus-daemon 2>/dev/null"2⤵
- File and Directory Permissions Modification
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/bin/chmodchmod 777 /usr/share/dbus-1/dbus-daemon3⤵
- File and Directory Permissions Modification
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/bin/shsh -c "ln -sf /usr/share/dbus-1/dbus-daemon /usr/bin/dbus-daemon 2>/dev/null"2⤵
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/bin/lnln -sf /usr/share/dbus-1/dbus-daemon /usr/bin/dbus-daemon3⤵
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/bin/shsh -c "systemctl daemon-reload 2>/dev/null; systemctl enable dbus-daemon 2>/dev/null"2⤵
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/bin/systemctlsystemctl daemon-reload3⤵
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/bin/systemctlsystemctl enable dbus-daemon3⤵
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
4XDG Autostart Entries
1Boot or Logon Initialization Scripts
2RC Scripts
2Create or Modify System Process
1Systemd Service
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
4XDG Autostart Entries
1Boot or Logon Initialization Scripts
2RC Scripts
2Create or Modify System Process
1Systemd Service
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1Replay Monitor
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Downloads
dbus.sh
rc.local
dbus-daemon.service
.X11rd
dbus-daemon