Overview

overview

10

Static

static

10

21d7d37f17...21.bin

ubuntu-18.04-amd64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240508-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240508-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    09-05-2024 01:09

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General

  • Target

    21d7d37f17a13168bdb3a50d7380ff21.bin

  • Size

    54KB

  • MD5

    21d7d37f17a13168bdb3a50d7380ff21

  • SHA1

    31afa15638b8b03db6c126a8686430f3630d9cb2

  • SHA256

    af35a79890e6ecad7e735daab3be19a9f18c391f0e5940b298314ba27d517553

  • SHA512

    57acfb1779cb0ec0c35d1e01e7f363ccbe7135882444c32008dc0bc6efe823601f175a7e175aea172b8e87a68b87a6f9e43b87218fc06dffd3b9f43b5d15f1b2

  • SSDEEP

    1536:d6EwVWibZ6uzpNrmvFtWbFsxWCTZrt+xc:QVWYZ6uzv4FKFsxWoZrQq

Score
9/10
discovery

Malware Config

Signatures

  • Contacts a large (23992) 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
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

  • 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

  • Changes its process name 1 IoCs
  • 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/21d7d37f17a13168bdb3a50d7380ff21.bin
    /tmp/21d7d37f17a13168bdb3a50d7380ff21.bin
    1⤵
    • Deletes itself
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:1516

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

1
T1562

Credential Access

Discovery

Network Service Discovery

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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