Overview

overview

9

Static

static

1

na.elf

debian-9-mipsel

9

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General

  • Target

    na.elf

  • Size

    125KB

  • Sample

    241010-hpbewswcnm

  • MD5

    2b0caf52e5e7d8967ce6ad262f194966

  • SHA1

    71cef25f6bc45bdecd8ba77ec5c18a7795cc4bd4

  • SHA256

    26a240e366d95b7fd6b58e1ac79304334b30a910415a224c31f585f7b49cfaa2

  • SHA512

    b5d037a7caeeeabbcfc05a9b62c12622870f6d61a3b916ac80f61b0eab22dc274df7d02e8c4ff7334dc9074c17307c4a52ca8c38f1ff1c89f58f7f1ccea7b52d

  • SSDEEP

    1536:AmbdXGuJxQ1lmoGWGO/+9MBLVKvyPXgQXE9ZTUdY7oew11S07HI:A4XBJxQT5Ge/+ubgYE9G+fwnS07

Score
9/10
credential_accessdefense_evasiondiscoveryevasion

Malware Config

Targets

    • Target

      na.elf

    • Size

      125KB

    • MD5

      2b0caf52e5e7d8967ce6ad262f194966

    • SHA1

      71cef25f6bc45bdecd8ba77ec5c18a7795cc4bd4

    • SHA256

      26a240e366d95b7fd6b58e1ac79304334b30a910415a224c31f585f7b49cfaa2

    • SHA512

      b5d037a7caeeeabbcfc05a9b62c12622870f6d61a3b916ac80f61b0eab22dc274df7d02e8c4ff7334dc9074c17307c4a52ca8c38f1ff1c89f58f7f1ccea7b52d

    • SSDEEP

      1536:AmbdXGuJxQ1lmoGWGO/+9MBLVKvyPXgQXE9ZTUdY7oew11S07HI:A4XBJxQT5Ge/+ubgYE9G+fwnS07

    Score
    9/10
    credential_accessdefense_evasiondiscoveryevasion

    • Contacts a large (40810) 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

    • Deletes system logs

      Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

      evasion

    • Modifies Watchdog functionality

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

      defense_evasion

    • Renames itself

    • Unexpected DNS network traffic destination

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

    • Deletes log files

      Deletes log files on the system.

      defense_evasion

    • Reads process memory

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

      credential_access
    behavioral1

MITRE ATT&CK Enterprise v15

Tasks