Overview

overview

10

Static

static

10

arm7.elf

debian-9-armhf

9

Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20231026-en
  • resource tags

    arch:armhfimage:debian9-armhf-20231026-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    03/11/2023, 03:46

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General

  • Target

    arm7.elf

  • Size

    134KB

  • MD5

    f5727685f7d0a4728f94b8f47d11a90a

  • SHA1

    b648cdaa4d91b4a9db83f697a613086eaac8e4f6

  • SHA256

    8fc5cfebdb403ad78b79b0e0805f3ca36394ea8bc23190722b4382f713f4c819

  • SHA512

    b92dbee9540ee0d894d83fa0b2acebb6fdab0d93037a1ab09a9cee0e52d3f7db45ebb84707b692d1f99db9b01e7fb3f31177716325c52187394d263e1759f50b

  • SSDEEP

    3072:eF6lvxDDVOyTrrOiC/qlQBcq3DZYcyWEwUnB7TxM/92:tlvxvVOyXrGilQBcq3DScinBRM/92

Score
9/10
discovery

Malware Config

Signatures

  • Contacts a large (58179) amount of remote hosts 1 TTPs

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

    discovery
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Changes its process name 1 IoCs
  • Deletes itself 1 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

  • Unexpected DNS network traffic destination 1 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 system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/arm7.elf
    /tmp/arm7.elf
    1⤵
    • Changes its process name
    • Deletes itself
    • Modifies Watchdog functionality
    PID:647

Network

        MITRE ATT&CK Enterprise v15

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