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13/02/2025, 13:04

250213-qaxnksymhs 10

Analysis

  • max time kernel
    140s
  • max time network
    406s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240611-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    13/02/2025, 13:04

General

  • Target

    Malware.2024.10.31/HEUR.Backdoor.Linux.Gafgyt.fj-df176fb8cfbc7512c77673f862e73833641ebb0d43213492c168f99302dcd5e3

  • Size

    98KB

  • MD5

    ce3c4d1798f20895709453372304ffdc

  • SHA1

    adc9f8f5c3b1ce672e1039051ec691d2106d6780

  • SHA256

    df176fb8cfbc7512c77673f862e73833641ebb0d43213492c168f99302dcd5e3

  • SHA512

    64c024c51497bd11ce32576a6444922dd858b86f100ae742517f1c974a0bab14f65398c1e302b4094c9e345dc686c7ada99bfe55ef8d2436d084a5b33eea5050

  • SSDEEP

    1536:N2kIXCkiYE9LbcypXLvYoSO37DsNVr2LZzRSHDbqfPnzsTrBaZHH:NmQbcy9vYoND9zcDm3niBax

Malware Config

Signatures

  • Contacts a large (30383) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

  • Renames itself 1 IoCs
  • Unexpected DNS network traffic destination 14 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 1 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Changes its process name 6 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 51 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/Malware.2024.10.31/HEUR.Backdoor.Linux.Gafgyt.fj-df176fb8cfbc7512c77673f862e73833641ebb0d43213492c168f99302dcd5e3
    /tmp/Malware.2024.10.31/HEUR.Backdoor.Linux.Gafgyt.fj-df176fb8cfbc7512c77673f862e73833641ebb0d43213492c168f99302dcd5e3
    1⤵
    • Modifies Watchdog functionality
    • Renames itself
    • Enumerates active TCP sockets
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:811

Network

MITRE ATT&CK Enterprise v15

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