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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
    5s
  • max time network
    124s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20230831-en
  • resource tags

    arch:armhfimage:debian9-armhf-20230831-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    02/10/2023, 07:19

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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
persistence

Malware Config

Signatures

  • Modifies the dynamic linker configuration file 1 TTPs 1 IoCs

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

    persistence
  • 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.

  • Enumerates running processes

    Discovers information about currently running processes on the system

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

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/2.sh
    /tmp/2.sh
    1⤵
    • Modifies the dynamic linker configuration file
    PID:369
    • /bin/mkdir
      mkdir -p /tmp /var/tmp
      2⤵
        PID:370
      • /bin/chmod
        chmod 1777 /tmp /var/tmp
        2⤵
          PID:375
        • /sbin/sysctl
          sysctl -w "fs.file-max=500000"
          2⤵
          • Reads CPU attributes
          • Reads runtime system information
          PID:377
        • /bin/mount
          mount -o "remount,exec" /tmp
          2⤵
          • Reads runtime system information
          PID:378
        • /bin/mount
          mount -o "remount,exec" /var/tmp
          2⤵
            PID:379
          • /sbin/iptables
            iptables -P INPUT ACCEPT
            2⤵
              PID:381
            • /sbin/iptables
              iptables -P OUTPUT ACCEPT
              2⤵
                PID:384
              • /sbin/iptables
                iptables -P FORWARD ACCEPT
                2⤵
                  PID:385
                • /sbin/iptables
                  iptables -F
                  2⤵
                  • Flushes firewall rules
                  PID:386
                • /usr/bin/chattr
                  chattr -ia /etc/ld.so.preload
                  2⤵
                  • Attempts to change immutable files
                  PID:387
                • /usr/bin/id
                  id -u
                  2⤵
                    PID:388
                  • /bin/ps
                    ps aux
                    2⤵
                    • Reads CPU attributes
                    • Reads runtime system information
                    PID:389
                  • /bin/grep
                    grep -i "[a]liyun"
                    2⤵
                    • Attempts to change immutable files
                    PID:390
                  • /bin/ps
                    ps aux
                    2⤵
                    • Reads CPU attributes
                    • Reads runtime system information
                    PID:391
                  • /bin/grep
                    grep -i "[y]unjing"
                    2⤵
                    • Attempts to change immutable files
                    PID:392
                  • /bin/uname
                    uname -m
                    2⤵
                      PID:397
                    • /bin/uname
                      uname -m
                      2⤵
                        PID:398
                    • /bin/ping
                      ping -c 1 dw.c4kdeliver.top
                      1⤵
                        PID:394
                      • /bin/grep
                        grep "bytes of data"
                        1⤵
                          PID:395
                        • /usr/bin/wc
                          wc -l
                          1⤵
                            PID:396

                          Network

                          MITRE ATT&CK Enterprise v15

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