Overview

overview

9

Static

static

1

b1453cfc84...5c.elf

debian-9-mipsel

9

Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240418-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    06-07-2024 01:43

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General

  • Target

    b1453cfc8475cb719bcaef4815d91c332aa3047351c364faaf7878005aacf75c.elf

  • Size

    150KB

  • MD5

    aa39f2c0aef4786e47c5b31fc6f6b3cf

  • SHA1

    f1fad7869c3669018c721bbea3aba6edddd3a493

  • SHA256

    b1453cfc8475cb719bcaef4815d91c332aa3047351c364faaf7878005aacf75c

  • SHA512

    3b7f35f71d12cc034e2c2ccb09021c3534688b9c61804d582bbbd1e673aa2cba68200efbf654f6f4cf40df6b3e3b827511b1a263b68c6385787ebd4827f71cf8

  • SSDEEP

    1536:Q7kH/BIKaTvlIN0a5GUAPG5XojTPc4TzGbDrXwY55UYRgCcElTUSrs:Q6/BQTv1CGUAuXi7c4TIwm5rx

Score
9/10
discovery

Malware Config

Signatures

  • Contacts a large (202727) 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.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Writes file to system bin folder 1 TTPs 1 IoCs
  • Changes its process name 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 3 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/b1453cfc8475cb719bcaef4815d91c332aa3047351c364faaf7878005aacf75c.elf
    /tmp/b1453cfc8475cb719bcaef4815d91c332aa3047351c364faaf7878005aacf75c.elf
    1⤵
    • Modifies Watchdog functionality
    • Writes file to system bin folder
    • Changes its process name
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:709

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Hijack Execution Flow

1
T1574

Privilege Escalation

Hijack Execution Flow

1
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Credential Access

Discovery

Network Service Discovery

2
T1046

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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