Analysis

  • max time kernel
    6s
  • max time network
    122s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    28/03/2025, 12:35

General

  • Target

    resources/app/bin/lpm_downgrade.sh

  • Size

    486B

  • MD5

    c2913650e886be90c3dc3464cf257124

  • SHA1

    5f3a2794a1c3be209f5074d73a6485b48a4e98ba

  • SHA256

    c00ee8c9bf0002b7b3a5cbc7c25f3dd7d2846950826f70a79ed66ad8d180d202

  • SHA512

    e7528a5266b8a1c8fb895656bb6dfea67eb7e094a442e93ab51d3a01f4bf3c48048a729a84a8a0a12223fd021bcf773055115533fe6590850fb4ab0b5aec717d

Score
4/10

Malware Config

Signatures

  • Changes its process name 2 IoCs
  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads CPU attributes 1 TTPs 1 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

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

  • Reads runtime system information 5 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/resources/app/bin/lpm_downgrade.sh
    /tmp/resources/app/bin/lpm_downgrade.sh
    1⤵
      PID:779
    • /usr/local/sbin/bash
      bash /tmp/resources/app/bin/lpm_downgrade.sh
      1⤵
        PID:779
      • /usr/local/bin/bash
        bash /tmp/resources/app/bin/lpm_downgrade.sh
        1⤵
          PID:779
        • /usr/sbin/bash
          bash /tmp/resources/app/bin/lpm_downgrade.sh
          1⤵
            PID:779
          • /usr/bin/bash
            bash /tmp/resources/app/bin/lpm_downgrade.sh
            1⤵
              PID:779
            • /sbin/bash
              bash /tmp/resources/app/bin/lpm_downgrade.sh
              1⤵
                PID:779
              • /bin/bash
                bash /tmp/resources/app/bin/lpm_downgrade.sh
                1⤵
                  PID:779
                  • /usr/bin/dirname
                    dirname /tmp/resources/app/bin/lpm_downgrade.sh
                    2⤵
                      PID:780
                    • /usr/bin/id
                      id -u
                      2⤵
                      • Reads runtime system information
                      PID:782
                    • /bin/date
                      date "+%s000"
                      2⤵
                        PID:784
                      • /bin/uname
                        uname -r
                        2⤵
                          PID:788
                        • /usr/bin/tr
                          tr -dc a-zA-Z0-9
                          2⤵
                            PID:793
                          • /usr/bin/head
                            head -1
                            2⤵
                              PID:795
                            • /usr/bin/head
                              head -80 /dev/urandom
                              2⤵
                                PID:792
                              • /usr/bin/fold
                                fold -w 32
                                2⤵
                                  PID:794
                                • /bin/uname
                                  uname -s
                                  2⤵
                                    PID:797
                                  • /usr/bin/npm
                                    npm root -g
                                    2⤵
                                      PID:798
                                    • /usr/local/sbin/node
                                      node /usr/bin/npm root -g
                                      2⤵
                                        PID:798
                                      • /usr/local/bin/node
                                        node /usr/bin/npm root -g
                                        2⤵
                                          PID:798
                                        • /usr/sbin/node
                                          node /usr/bin/npm root -g
                                          2⤵
                                            PID:798
                                          • /usr/bin/node
                                            node /usr/bin/npm root -g
                                            2⤵
                                            • Changes its process name
                                            • Checks CPU configuration
                                            • Reads CPU attributes
                                            • Enumerates kernel/hardware configuration
                                            • Reads runtime system information
                                            PID:798
                                          • /bin/date
                                            date "+%s"
                                            2⤵
                                              PID:810
                                            • /usr/bin/curl
                                              curl -s -X POST "https://perr.lum-lpm.com/client_cgi/perr/?id=lpm_cert.downgrade_no_backup" --data "{\"uuid\": \"MAMVpthgtPoYv2QjBttOS6K0Q6vFznQ5\", \"timestamp\": \"1743162076\", \"ver\": \"%VER%\", \"info\": {\"platform\": \"linux\", \"c_ts\": \"1743162076\", \"c_up_ts\": \"1743162070000\", \"note\": \"\", \"lum\": 0, \"root\":1, \"os_release\":\"4.9.0-13-armmp-lpae\"}}" -H "Content-Type: application/json"
                                              2⤵
                                              • Checks CPU configuration
                                              • Reads runtime system information
                                              PID:811

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • /root/.npm/_logs/2025-03-28T11_41_15_477Z-debug-0.log

                                            Filesize

                                            1KB

                                            MD5

                                            3f740d552d9e46e16392c437998d946f

                                            SHA1

                                            822f9b506de8f3c6830af4dffe29002e1e73c197

                                            SHA256

                                            ebcdd0e6ad7c9dde2d7bcf48805ec79b24b77b50a6aeed5ae1fbf0b8c1e42038

                                            SHA512

                                            e35a65778e6ab0dc0c9b0719835156cabfa5a5bcfadbcbc4c81b202469e768a1d148d20d9f7ab75361ba1b5901113c9cc6bb6f5b3a49127f9f0024e9ff1ac2d0