51bdcca1778b9de1a884e2ac5e1c96b5f6d3f961bfd130b2dcf620599c312326

General

Target

h2YssKpL.zip.part.42.dr.zip
Size

134KB
Sample

220923-rb4nyshad9
MD5

c61cab6dec4012512dbcd96ba7489c96
SHA1

c8e1c985857748197c5c0b4dd214be8f51768cad
SHA256

51bdcca1778b9de1a884e2ac5e1c96b5f6d3f961bfd130b2dcf620599c312326
SHA512

1fd3cb630e253cf5f0c27078bd3d3e9cd3166eeb970f0ad2495c3eaa869a831f97a0c8ea619c377131e827dcdfb1947fcd3e4b63336cfc23e7690099a8505637
SSDEEP

3072:F3o1mWdbU8vT0uahqqcnQ/8Q0K1jyMJ4s6IZ6/EVxZGAeBMwH:gf0uaWnQ0Q0K1jdXMEBGHf

Score

9^/10

discovery persistence

Malware Config

Targets

- Target
  
  h2YssKpL.zip.part.42.dr
- Size
  
  300KB
- MD5
  
  eec5c6c219535fba3a0492ea8118b397
- SHA1
  
  292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21
- SHA256
  
  12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef
- SHA512
  
  3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400
- SSDEEP
  
  6144:T2s/gAWuboqsJ9xcJxspJBqQgTuaJZRhVabE5wKSDP99zBa77oNsKqqfPqOJ:T2s/bW+UmJqBxAuaPRhVabEDSDP99zBT
Score

9^/10

discovery persistence
- Contacts a large (27791) 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