Overview

overview

9

Static

static

1

mpsl.elf

debian-12-mipsel

9

Analysis

  • max time kernel
    125s
  • max time network
    157s
  • platform
    debian-12_mipsel
  • resource
    debian12-mipsel-20240221-en
  • resource tags

    arch:mipselimage:debian12-mipsel-20240221-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem
  • submitted
    27/11/2024, 00:07

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General

  • Target
    mpsl.elf
  • Size 79KB
  • Sample241127-aebc5swpgt
  • SHA256 2bdb887d626677df60ad486eadf067ee85e0c1c424c63060fb723125d4d06968
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (66243) 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
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

    defense_evasion
  • Renames itself 1 IoCs
  • 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.

    discovery
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 37 IoCs

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

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

    Uses contents of /proc filesystem to enumerate network settings.

    discovery
  • Reads runtime system information 61 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/mpsl.elf
    /tmp/mpsl.elf
    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:741

Network

        MITRE ATT&CK Enterprise v15

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