Analysis

  • max time kernel
    2s
  • 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
    13/09/2026, 17:33

General

  • Target
    5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_post-append.sh
  • Size 833KB
  • Sample260913-v5cdcatsbv
  • SHA256 8e216706d88b31d3538d9dc6430e010cbe29c5210b86dd86687bbe2accf72a82
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Reads process memory 1 TTPs 1 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

  • Deobfuscate/Decode Files or Information 1 TTPs 1 IoCs

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

  • Reads runtime system information 1 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 3 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_post-append.sh
    /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_post-append.sh
    1⤵
    • Writes file to tmp directory
    PID:655
    • /bin/mktemp
      mktemp -d
      2⤵
        PID:675
      • /usr/bin/base64
        base64 -d
        2⤵
        • Deobfuscate/Decode Files or Information
        PID:678
      • /usr/bin/python3
        python3 -c " import sys import zlib sys.stdout.buffer.write( zlib.decompress( sys.stdin.buffer.read() ) ) "
        2⤵
          PID:679
        • /bin/chmod
          chmod +x /tmp/tmp.Zr92iBgszX/embedded.sh
          2⤵
          • File and Directory Permissions Modification
          PID:686
      • /bin/bash
        bash /tmp/tmp.Zr92iBgszX/embedded.sh
        1⤵
        • Writes file to tmp directory
        PID:655
        • /bin/ls
          ls /proc/
          2⤵
          • Reads runtime system information
          PID:688
        • /bin/cat
          cat /proc/1/mem
          2⤵
          • Reads process memory
          PID:689
        • /bin/grep
          grep -E "GITHUB_TOKEN|gh[ps]_|npm_|AWS_"
          2⤵
            PID:691
          • /usr/bin/strings
            strings
            2⤵
              PID:690

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                sh-thd.Pbu0Ej

                • Path /tmp/sh-thd.Pbu0Ej
                • Size 827KB
                • SHA256 eb16ec47f744b1fb521feef15941699c0716b190b1810c63876e0298fc65c36a
                • MD5 SHA1 SHA512 SSDEEP TLSH

                embedded.sh

                • Path /tmp/tmp.Zr92iBgszX/embedded.sh
                • Size 1KB
                • SHA256 7502456cb1c58731db0e482acbd2c17d74121ce7e342570c88fac0494701658e
                • MD5 SHA1 SHA512 TLSH