Overview

overview

9

Static

static

1

nklarm7.elf

debian-12-armhf

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20260126-en
  • resource tags

    arch:armhfimage:debian12-armhf-20260126-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    26/01/2026, 23:21

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General

  • Target
    nklarm7.elf
  • Size 105KB
  • Sample260126-3b6dbsd12d
  • SHA256 75aceb402420e35ca4c6c38ceee28704048a949d53c22631a2a70a4e15698bdb
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
discovery

Malware Config

Signatures

  • Contacts a large (114333) 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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to shm directory 1 IoCs

    Malware can drop malicious files in the shm directory which will run directly from RAM.

Processes

  • /tmp/nklarm7.elf
    /tmp/nklarm7.elf
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Reads runtime system information
    • Writes file to shm directory
    PID:736
  • /dev/shm/.systemd-journald
    /lib/systemd/systemd-journald
    1⤵
    • Reads runtime system information
    PID:736

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        .systemd-journald
        • Path /dev/shm/.systemd-journald
        • Size 105KB
        • SHA256 75aceb402420e35ca4c6c38ceee28704048a949d53c22631a2a70a4e15698bdb
        • MD5 SHA1 SHA512 SSDEEP TLSH
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