Overview

overview

7

Static

static

1

sample

debian-9-armhf

7

Analysis

  • max time kernel
    5s
  • max time network
    1s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    14-08-2024 00:23

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    sample

  • Size

    300KB

  • MD5

    eec5c6c219535fba3a0492ea8118b397

  • SHA1

    292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21

  • SHA256

    12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

  • SHA512

    3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400

  • SSDEEP

    6144:T2s/gAWuboqsJ9xcJxspJBqQgTuaJZRhVabE5wKSDP99zBa77oNsKqqfPqOJ:T2s/bW+UmJqBxAuaPRhVabEDSDP99zBT

Score
7/10

Malware Config

Signatures

  • 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

  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Writes file to system bin folder 1 TTPs 2 IoCs
  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 3 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/sample
    /tmp/sample
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads system routing table
    • Writes file to system bin folder
    • Reads system network configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:645
    • /bin/sh
      /bin/sh -c "killall -9 telnetd utelnetd scfgmgr"
      2⤵
        PID:648
        • /usr/bin/killall
          killall -9 telnetd utelnetd scfgmgr
          3⤵
          • Reads runtime system information
          PID:650

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads