Overview

overview

10

Static

static

10

splarm7

debian-9-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    10/03/2025, 09:25

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General

  • Target

    splarm7

  • Size

    78KB

  • MD5

    6a8f6988bacce16ff9d10a50cb1bb755

  • SHA1

    40884b7069958a7470ef20787441ae3d64c4f7e6

  • SHA256

    8312daded7f34a6803e7ed28ad921c93020cb2c865d669bb4a528e7a9c94ee01

  • SHA512

    18e1353023e9bf227e082571a46d883d5866db612b79e3ec8bad0d3e09fd804522ef7394b1fadd29f2f4ef78eeb0552c80e5e5c4c1867e7defd6e8221b1b8ae9

  • SSDEEP

    1536:VunCWUjvYh2/xB0ZD9S+Yrgoj8w4zvKsvKfhfV5VKKMQ+dlU8iPCW15:QgAhM0ZD9S+YUoezvKsvQhfV5VKKnlCK

Score
9/10
credential_accessdefense_evasiondiscovery

Malware Config

Signatures

  • Contacts a large (64769) 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 64 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 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/splarm7
    /tmp/splarm7
    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:645

Network

MITRE ATT&CK Enterprise v15

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