798725bcb7292e8b41279521dde20eea17c119e8a37c39dea098091a210f611c

General

Target

idclnrfwk
Size

134KB
Sample

220425-12ft9aefd4
MD5

d253b6fc961673435c0e034675f43cf6
SHA1

0594b9aa72a54bbf69d99fee3d0ba75dd9f06e72
SHA256

798725bcb7292e8b41279521dde20eea17c119e8a37c39dea098091a210f611c
SHA512

6ad42f065811e4667246d97d64331528806f7ddf71be60606733e3fe6bffcab8aae4351cc4ebd08dbbf0d03cb90f3af91e20ab3cd94ebdb593915bf5693e83d3

Score

9^/10

Malware Config

Targets

- Target
  
  idclnrfwk
- Size
  
  134KB
- MD5
  
  d253b6fc961673435c0e034675f43cf6
- SHA1
  
  0594b9aa72a54bbf69d99fee3d0ba75dd9f06e72
- SHA256
  
  798725bcb7292e8b41279521dde20eea17c119e8a37c39dea098091a210f611c
- SHA512
  
  6ad42f065811e4667246d97d64331528806f7ddf71be60606733e3fe6bffcab8aae4351cc4ebd08dbbf0d03cb90f3af91e20ab3cd94ebdb593915bf5693e83d3
Score

9^/10

discovery persistence
- Contacts a large (15964) amount of remote hosts
  This may indicate a network scan to discover remotely running services.
  discovery
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Modifies the Watchdog daemon
  Malware like Mirai modify the Watchdog to prevent it restarting an infected system.
- Writes file to system bin folder
- Modifies hosts file
  Adds to hosts file used for mapping hosts to IP addresses.
- Writes DNS configuration
  Writes data to DNS resolver config file.
- Enumerates active TCP sockets
  Gets active TCP sockets from /proc virtual filesystem.
- Modifies init.d
  Adds/modifies system service, likely for persistence.
  persistence
- Reads system routing table
  Gets active network interfaces from /proc virtual filesystem.
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Reads system network configuration
  Uses contents of /proc filesystem to enumerate network settings.
- Reads runtime system information
  Reads data from /proc virtual filesystem.
- Writes file to tmp directory
  Malware often drops required files in the /tmp directory.
behavioral1