Analysis

  • max time kernel
    107s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2024, 20:43

General

  • Target

    65fdee7c97e9f6962e15dff9624446cc.exe

  • Size

    407KB

  • MD5

    65fdee7c97e9f6962e15dff9624446cc

  • SHA1

    b3fb1a0e21bac4363b3f26deedcc3f75691a6b9e

  • SHA256

    3286f4cb252c983d5874d3420a57a7f4d5fcd8aa2bfa8a367b4110d88dd246a5

  • SHA512

    c1063651874fe2e69dcb7ff55d281a8944b02f33b29656adcc73eeacdee21dc1f5f1f9f87c1e54a2ded5a569965a64b857d004cde55a8579df6d4527679d7792

  • SSDEEP

    12288:0dQemIdof/aZU36DTDPzplVfF4qWPAahGzE:0dXthTDdPfF4qWoai

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 36 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Program crash 2 IoCs
  • Modifies data under HKEY_USERS 52 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65fdee7c97e9f6962e15dff9624446cc.exe
    "C:\Users\Admin\AppData\Local\Temp\65fdee7c97e9f6962e15dff9624446cc.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 840
      2⤵
      • Program crash
      PID:4772
    • C:\nJ31311HiPdF31311\nJ31311HiPdF31311.exe
      "\nJ31311HiPdF31311\nJ31311HiPdF31311.exe" "C:\Users\Admin\AppData\Local\Temp\65fdee7c97e9f6962e15dff9624446cc.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 840
        3⤵
        • Program crash
        PID:4136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 792 -ip 792
    1⤵
      PID:3896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2896 -ip 2896
      1⤵
        PID:4724
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:368
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:5016
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        PID:4404
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:2140
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
          PID:1100
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2176
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:884
            • C:\Windows\explorer.exe
              explorer.exe /LOADSAVEDWINDOWS
              2⤵
              • Modifies Installed Components in the registry
              • Enumerates connected drives
              • Modifies registry class
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:3620
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:2836
            • C:\Windows\explorer.exe
              explorer.exe /LOADSAVEDWINDOWS
              2⤵
                PID:4632
            • C:\Windows\System32\rundll32.exe
              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding
              1⤵
                PID:400
              • C:\Windows\explorer.exe
                explorer.exe
                1⤵
                • Modifies Installed Components in the registry
                • Enumerates connected drives
                • Modifies registry class
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:2380
              • C:\Windows\System32\rundll32.exe
                C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
                1⤵
                  PID:1836
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                  • Modifies Installed Components in the registry
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:3484
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                  • Modifies Installed Components in the registry
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:1684
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                  • Modifies Installed Components in the registry
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:3024
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                  • Modifies Installed Components in the registry
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:820
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                  • Modifies Installed Components in the registry
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:3780
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                  • Modifies Installed Components in the registry
                  • Modifies registry class
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  PID:540
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                    PID:4500
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                    • Modifies Installed Components in the registry
                    • Modifies registry class
                    PID:4092
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                    • Modifies Installed Components in the registry
                    • Modifies registry class
                    PID:3048
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                    • Modifies Installed Components in the registry
                    • Modifies registry class
                    PID:2044
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:5048
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                      • Modifies Installed Components in the registry
                      • Modifies registry class
                      PID:3404
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                        PID:2580
                      • C:\Windows\explorer.exe
                        explorer.exe
                        1⤵
                          PID:332
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                          • Modifies Installed Components in the registry
                          PID:2380
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                            PID:2092
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            PID:2480
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:4972
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:532
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:4872
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:1032
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            • Suspicious use of FindShellTrayWindow
                            PID:4500
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:4896
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:880
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:396
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:1644
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:1724
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:3620
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:4776
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                            • Modifies Installed Components in the registry
                            • Modifies registry class
                            PID:4556
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                              PID:3852
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                              • Modifies Installed Components in the registry
                              • Modifies registry class
                              PID:2092
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                              • Modifies Installed Components in the registry
                              • Modifies registry class
                              PID:3680
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                              • Modifies Installed Components in the registry
                              • Modifies registry class
                              PID:1092
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                              • Modifies Installed Components in the registry
                              • Modifies registry class
                              PID:2488
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                              • Modifies Installed Components in the registry
                              PID:1656
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                                PID:2864
                              • C:\Windows\explorer.exe
                                explorer.exe
                                1⤵
                                  PID:3316
                                • C:\Windows\explorer.exe
                                  explorer.exe
                                  1⤵
                                    PID:3548
                                  • C:\Windows\explorer.exe
                                    explorer.exe
                                    1⤵
                                      PID:4920
                                    • C:\Windows\explorer.exe
                                      explorer.exe
                                      1⤵
                                        PID:2740
                                      • C:\Windows\explorer.exe
                                        explorer.exe
                                        1⤵
                                          PID:1352
                                        • C:\Windows\explorer.exe
                                          explorer.exe
                                          1⤵
                                            PID:4504
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:4384
                                            • C:\Windows\explorer.exe
                                              explorer.exe
                                              1⤵
                                                PID:3724
                                              • C:\Windows\explorer.exe
                                                explorer.exe
                                                1⤵
                                                  PID:4440
                                                • C:\Windows\explorer.exe
                                                  explorer.exe
                                                  1⤵
                                                    PID:1936
                                                  • C:\Windows\explorer.exe
                                                    explorer.exe
                                                    1⤵
                                                      PID:3132
                                                    • C:\Windows\explorer.exe
                                                      explorer.exe
                                                      1⤵
                                                        PID:3568
                                                      • C:\Windows\explorer.exe
                                                        explorer.exe
                                                        1⤵
                                                          PID:3788
                                                        • C:\Windows\explorer.exe
                                                          explorer.exe
                                                          1⤵
                                                            PID:1828
                                                          • C:\Windows\explorer.exe
                                                            explorer.exe
                                                            1⤵
                                                              PID:3884
                                                            • C:\Windows\explorer.exe
                                                              explorer.exe
                                                              1⤵
                                                                PID:2648
                                                              • C:\Windows\explorer.exe
                                                                explorer.exe
                                                                1⤵
                                                                  PID:1760
                                                                • C:\Windows\explorer.exe
                                                                  explorer.exe
                                                                  1⤵
                                                                    PID:2720
                                                                  • C:\Windows\explorer.exe
                                                                    explorer.exe
                                                                    1⤵
                                                                      PID:2348
                                                                    • C:\Windows\explorer.exe
                                                                      explorer.exe
                                                                      1⤵
                                                                        PID:528
                                                                      • C:\Windows\explorer.exe
                                                                        explorer.exe
                                                                        1⤵
                                                                          PID:4448
                                                                        • C:\Windows\explorer.exe
                                                                          explorer.exe
                                                                          1⤵
                                                                            PID:1436
                                                                          • C:\Windows\explorer.exe
                                                                            explorer.exe
                                                                            1⤵
                                                                              PID:2812
                                                                            • C:\Windows\explorer.exe
                                                                              explorer.exe
                                                                              1⤵
                                                                                PID:3724
                                                                              • C:\Windows\explorer.exe
                                                                                explorer.exe
                                                                                1⤵
                                                                                  PID:2264
                                                                                • C:\Windows\explorer.exe
                                                                                  explorer.exe
                                                                                  1⤵
                                                                                    PID:800
                                                                                  • C:\Windows\explorer.exe
                                                                                    explorer.exe
                                                                                    1⤵
                                                                                      PID:2708
                                                                                    • C:\Windows\explorer.exe
                                                                                      explorer.exe
                                                                                      1⤵
                                                                                        PID:2716
                                                                                      • C:\Windows\explorer.exe
                                                                                        explorer.exe
                                                                                        1⤵
                                                                                          PID:1528
                                                                                        • C:\Windows\explorer.exe
                                                                                          explorer.exe
                                                                                          1⤵
                                                                                            PID:1500
                                                                                          • C:\Windows\explorer.exe
                                                                                            explorer.exe
                                                                                            1⤵
                                                                                              PID:3252
                                                                                            • C:\Windows\explorer.exe
                                                                                              explorer.exe
                                                                                              1⤵
                                                                                                PID:2864
                                                                                              • C:\Windows\explorer.exe
                                                                                                explorer.exe
                                                                                                1⤵
                                                                                                  PID:3460
                                                                                                • C:\Windows\explorer.exe
                                                                                                  explorer.exe
                                                                                                  1⤵
                                                                                                    PID:2388
                                                                                                  • C:\Windows\explorer.exe
                                                                                                    explorer.exe
                                                                                                    1⤵
                                                                                                      PID:2140
                                                                                                    • C:\Windows\explorer.exe
                                                                                                      explorer.exe
                                                                                                      1⤵
                                                                                                        PID:4348
                                                                                                      • C:\Windows\explorer.exe
                                                                                                        explorer.exe
                                                                                                        1⤵
                                                                                                          PID:2568
                                                                                                        • C:\Windows\explorer.exe
                                                                                                          explorer.exe
                                                                                                          1⤵
                                                                                                            PID:4664
                                                                                                          • C:\Windows\explorer.exe
                                                                                                            explorer.exe
                                                                                                            1⤵
                                                                                                              PID:3716
                                                                                                            • C:\Windows\explorer.exe
                                                                                                              explorer.exe
                                                                                                              1⤵
                                                                                                                PID:2144
                                                                                                              • C:\Windows\explorer.exe
                                                                                                                explorer.exe
                                                                                                                1⤵
                                                                                                                  PID:2264
                                                                                                                • C:\Windows\explorer.exe
                                                                                                                  explorer.exe
                                                                                                                  1⤵
                                                                                                                    PID:4268
                                                                                                                  • C:\Windows\explorer.exe
                                                                                                                    explorer.exe
                                                                                                                    1⤵
                                                                                                                      PID:2392
                                                                                                                    • C:\Windows\explorer.exe
                                                                                                                      explorer.exe
                                                                                                                      1⤵
                                                                                                                        PID:3768
                                                                                                                      • C:\Windows\explorer.exe
                                                                                                                        explorer.exe
                                                                                                                        1⤵
                                                                                                                          PID:1264
                                                                                                                        • C:\Windows\explorer.exe
                                                                                                                          explorer.exe
                                                                                                                          1⤵
                                                                                                                            PID:4992
                                                                                                                          • C:\Windows\explorer.exe
                                                                                                                            explorer.exe
                                                                                                                            1⤵
                                                                                                                              PID:432
                                                                                                                            • C:\Windows\explorer.exe
                                                                                                                              explorer.exe
                                                                                                                              1⤵
                                                                                                                                PID:4356
                                                                                                                              • C:\Windows\explorer.exe
                                                                                                                                explorer.exe
                                                                                                                                1⤵
                                                                                                                                  PID:2040
                                                                                                                                • C:\Windows\explorer.exe
                                                                                                                                  explorer.exe
                                                                                                                                  1⤵
                                                                                                                                    PID:4324
                                                                                                                                  • C:\Windows\explorer.exe
                                                                                                                                    explorer.exe
                                                                                                                                    1⤵
                                                                                                                                      PID:2740
                                                                                                                                    • C:\Windows\explorer.exe
                                                                                                                                      explorer.exe
                                                                                                                                      1⤵
                                                                                                                                        PID:1644
                                                                                                                                      • C:\Windows\explorer.exe
                                                                                                                                        explorer.exe
                                                                                                                                        1⤵
                                                                                                                                          PID:3988

                                                                                                                                        Network

                                                                                                                                        MITRE ATT&CK Enterprise v15

                                                                                                                                        Replay Monitor

                                                                                                                                        Loading Replay Monitor...

                                                                                                                                        Downloads

                                                                                                                                        • C:\nJ31311HiPdF31311\nJ31311HiPdF31311.exe

                                                                                                                                          Filesize

                                                                                                                                          407KB

                                                                                                                                          MD5

                                                                                                                                          876baadd1a2e3bf2df0a04bdf8889016

                                                                                                                                          SHA1

                                                                                                                                          b6faa5d7b7aa9ff883212a0b0f0299de78986e21

                                                                                                                                          SHA256

                                                                                                                                          eeefa8655037c8cc67638f6f8365f6665321774cb4cecf2c2d7a4533aea89cfe

                                                                                                                                          SHA512

                                                                                                                                          044436d46444c262f63bf90c2968d8d3ef1ed61690b3b88ab0e632159d7d284dbd78e3519e2016b471a11b59baa9673a247d648b1c2721de42a4db0c6e92741d

                                                                                                                                        • memory/792-0-0x0000000000750000-0x0000000000753000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          12KB

                                                                                                                                        • memory/792-1-0x0000000000400000-0x00000000004CC000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          816KB

                                                                                                                                        • memory/792-2-0x0000000002110000-0x0000000002111000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          4KB

                                                                                                                                        • memory/792-81-0x0000000000400000-0x00000000004CC000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          816KB

                                                                                                                                        • memory/792-93-0x0000000000400000-0x00000000004CC000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          816KB

                                                                                                                                        • memory/2896-94-0x0000000000400000-0x00000000004CC000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          816KB

                                                                                                                                        • memory/2896-95-0x00000000005A0000-0x00000000005A1000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          4KB

                                                                                                                                        • memory/2896-177-0x0000000000400000-0x00000000004CC000-memory.dmp

                                                                                                                                          Filesize

                                                                                                                                          816KB