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Overview

overview

9

Static

static

1

2.sh

ubuntu-18.04-amd64

9

2.sh

debian-9-armhf

9

2.sh

debian-9-mips

9

2.sh

debian-9-mipsel

9

Resubmissions

09/09/2024, 16:59

240909-vhqbpa1frf 9

02/10/2023, 07:19

231002-h5hh5sga9y 9

Analysis

  • max time kernel
    2s
  • max time network
    4s
  • 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
    09/09/2024, 16:59

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General

  • Target

    2.sh

  • Size

    18KB

  • MD5

    77e3046e6271f2871ed34497a06ce770

  • SHA1

    b0a6bd77c3371ff4be33ba5070aa486204853b0b

  • SHA256

    cda6a3a92d746c0be30c1809c15b2f5e344b724dcecbda7729234a798fb5218b

  • SHA512

    49072c85b82cd494a7fa55172bc4f012b4f63e096d075cd8ec15aa8f037443408ce516e885f1c54cf65ee617a807adaf2634d3508017a790be40012ba819c7b5

  • SSDEEP

    192:7jQ04oGAuVvZ7U3voFUzcF1pNbHqbbA8g5ugdjqDWThOAaI1cnUeGy3K1ywOK:7jpmVCYUw3MbA5WS09QuUeGyJTK

Score
9/10
defense_evasiondiscoveryexectionpersistenceprivilege_escalation

Malware Config

Signatures

  • Modifies the dynamic linker configuration file 2 TTPs 1 IoCs

    Malware can modify the configuration file of the dynamic linker to preload malicous libraries with every executed process.

    exectionpersistenceprivilege_escalationdefense_evasion
  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Flushes firewall rules 1 IoCs

    Flushes/ disables firewall rules inside the Linux kernel.

  • Attempts to change immutable files 3 IoCs

    Modifies inode attributes on the filesystem to allow changing of immutable files.

  • Disables SELinux 1 IoCs

    Disables SELinux security module.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads CPU attributes 1 TTPs 3 IoCs
    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery

Processes

  • /tmp/2.sh
    /tmp/2.sh
    1⤵
    • Modifies the dynamic linker configuration file
    PID:637
    • /bin/mkdir
      mkdir -p /tmp /var/tmp
      2⤵
        PID:639
      • /bin/chmod
        chmod 1777 /tmp /var/tmp
        2⤵
        • File and Directory Permissions Modification
        PID:641
      • /usr/sbin/setenforce
        setenforce 0
        2⤵
        • Disables SELinux
        PID:644
      • /sbin/sysctl
        sysctl -w "fs.file-max=500000"
        2⤵
        • Reads CPU attributes
        PID:648
      • /bin/mount
        mount -o "remount,exec" /tmp
        2⤵
        • Reads runtime system information
        PID:652
      • /bin/mount
        mount -o "remount,exec" /var/tmp
        2⤵
        • Reads runtime system information
        PID:656
      • /sbin/iptables
        iptables -P INPUT ACCEPT
        2⤵
          PID:661
        • /sbin/iptables
          iptables -P OUTPUT ACCEPT
          2⤵
            PID:667
          • /sbin/iptables
            iptables -P FORWARD ACCEPT
            2⤵
              PID:669
            • /sbin/iptables
              iptables -F
              2⤵
              • Flushes firewall rules
              PID:671
            • /usr/bin/chattr
              chattr -ia /etc/ld.so.preload
              2⤵
              • Attempts to change immutable files
              PID:672
            • /usr/bin/id
              id -u
              2⤵
                PID:674
              • /bin/ps
                ps aux
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:676
              • /bin/grep
                grep -i "[a]liyun"
                2⤵
                • Attempts to change immutable files
                PID:677
              • /bin/grep
                grep -i "[y]unjing"
                2⤵
                • Attempts to change immutable files
                PID:680
              • /bin/ps
                ps aux
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:679
              • /bin/grep
                grep "bytes of data"
                2⤵
                  PID:686
                • /bin/ping
                  ping -c 1 dw.c4kdeliver.top
                  2⤵
                    PID:685
                  • /usr/bin/wc
                    wc -l
                    2⤵
                      PID:687
                    • /bin/uname
                      uname -m
                      2⤵
                        PID:688
                      • /bin/uname
                        uname -m
                        2⤵
                          PID:689

                      Network

                      MITRE ATT&CK Enterprise v15

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