General

  • Target

    a04ac6d98ad989312783d4fe3456c53730b212c79a426fb215708b6c6daa3de3

  • Size

    77KB

  • Sample

    230203-mt5xhshh71

  • MD5

    3f0ac4fb82a3c758e1c12f5abbf0d625

  • SHA1

    0e5e1f6935039cb045c590631b5dcefc7be9e05e

  • SHA256

    8ab098a53316bf2fe26dd3b0f356295791f48e8a4f2067103d2556f89bc698a7

  • SHA512

    478af65b3bcf7ad15532f6167dad4ce1b409ccbfb2fb20c9ee85ae5142b4152aeeb87bba30b676b49530741054749391ea78a39873fae595587f327a2631d05a

  • SSDEEP

    1536:g0tcuyhIbiUqqukri02mNyU23M51DjZgSQAvcYkFtjusoFTB2ti:azqB2i5ljnQsxog

Score
9/10

Malware Config

Targets

    • Target

      a04ac6d98ad989312783d4fe3456c53730b212c79a426fb215708b6c6daa3de3

    • Size

      78KB

    • MD5

      9b6c3518a91d23ed77504b5416bfb5b3

    • SHA1

      0a2d170abbf5031566377b01431e3b82d342630a

    • SHA256

      a04ac6d98ad989312783d4fe3456c53730b212c79a426fb215708b6c6daa3de3

    • SHA512

      b2b08d5d5e6c6708d88b793e9340a780d47b5dce61e0a3026b4cdea8a9e4cbf9824037255e4ea4a40fee5bce956485232376d4677ce72ccb6c7f00badd09956e

    • SSDEEP

      1536:87vbq1lGAXSEYQjbChaAU2yU23M51DjZgSQAvcYkFtZTjzBht5:8D+CAXFYQChaAUk5ljnQssL

    Score
    9/10
    • Modifies the Watchdog daemon

      Malware like Mirai modify the Watchdog to prevent it restarting an infected system.

    • 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.

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Impair Defenses

1
T1562

Discovery

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

2
T1016

Command and Control

Dynamic Resolution

1
T1568

Tasks