99b37964ff053b89036a1e3f9f077c4206129cca938fb30bf0069a5f62f2773f

General

Target

4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
Size

129KB
Sample

230131-xkd3jsbe7y
MD5

2b598eacc781c681ad45f8fca9170f34
SHA1

0c6f2fb1043be8df1d81023a50cecfd6b98a1477
SHA256

99b37964ff053b89036a1e3f9f077c4206129cca938fb30bf0069a5f62f2773f
SHA512

78f5c6e8b4d582862abf438e60d111855408249ec52ee23e85ac972d602102134e8c563f2b4f7b8697dece27cc5c0a8c6703ed1c381b6569a7534f7550675dc8
SSDEEP

3072:ESx/0SYVWKgZe9tZEehI8/8sYBboQASNyk:Dx/0hwbs93hv/NYBFNyk

Score

9^/10

discovery persistence

Malware Config

Targets

- Target
  
  4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
- Size
  
  132KB
- MD5
  
  59ce0baba11893f90527fc951ac69912
- SHA1
  
  5857a7dd621c4c3ebb0b5a3bec915d409f70d39f
- SHA256
  
  4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
- SHA512
  
  c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647
- SSDEEP
  
  3072:phNlHuBafLeBtfCzpta8xlBIOdVo3/4sxLJ10xioP:p3lOYoaja8xzx/0wsxzSi2
Score

9^/10

discovery persistence
- 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.
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- 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