Analysis

  • max time kernel
    68s
  • 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
    12-01-2024 03:55

General

  • Target

    556b98d541f3f0aa82728429b0cd5964.exe

  • Size

    860KB

  • MD5

    556b98d541f3f0aa82728429b0cd5964

  • SHA1

    356dea622b37a34c48a51938559966a2d43b6cb7

  • SHA256

    73785dff26a6c34a2bdceae4583d2b40f6c7d2726d099ddf0b33670888afff23

  • SHA512

    ddc34a8fd72a176105033f54610f8b9a7ad370c3d803f858f25c06b9c0fc64c9ed1998a0cfea684b8505ba7a6438b180c4d4c0bb33e9b8032e0ff2849da2db66

  • SSDEEP

    24576:wnE7QNm4dkCrvqfLMoXYkw+aAAk3/NYFa59fqg:TEUZCrvqf1s+ac3/eFab

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 36 IoCs
  • UPX packed file 1 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 25 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 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 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\556b98d541f3f0aa82728429b0cd5964.exe
    "C:\Users\Admin\AppData\Local\Temp\556b98d541f3f0aa82728429b0cd5964.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:864
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1448
  • 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:2736
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3264
  • 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:4340
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3652
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2796
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:5040
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:2344
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:3480
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:3860
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
        PID:1728
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:716
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          • Suspicious use of SendNotifyMessage
          PID:4776
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        PID:1000
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
          PID:2728
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:2756
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:1768
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:5116
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:2476
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:4456
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:2396
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:3392
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:3564
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          PID:1568
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Modifies Installed Components in the registry
          • Modifies registry class
          PID:4768
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
            PID:4544
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:4332
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:4104
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:3424
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            PID:4100
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            PID:5032
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:4568
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:1212
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:2728
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:1600
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            PID:3728
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:4140
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:1948
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            • Modifies registry class
            PID:3996
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            PID:4832
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
            • Modifies Installed Components in the registry
            PID:112
          • C:\Windows\explorer.exe
            explorer.exe
            1⤵
              PID:4200
            • C:\Windows\explorer.exe
              explorer.exe
              1⤵
              • Modifies Installed Components in the registry
              • Modifies registry class
              PID:3596
            • C:\Windows\explorer.exe
              explorer.exe
              1⤵
              • Modifies Installed Components in the registry
              • Modifies registry class
              PID:4184
            • C:\Windows\explorer.exe
              explorer.exe
              1⤵
              • Modifies Installed Components in the registry
              • Modifies registry class
              PID:2664
            • 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⤵
                PID:5072
              • C:\Windows\explorer.exe
                explorer.exe
                1⤵
                  PID:4324
                • C:\Windows\explorer.exe
                  explorer.exe
                  1⤵
                    PID:3380
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:4700
                    • C:\Windows\explorer.exe
                      explorer.exe
                      1⤵
                        PID:4196
                      • C:\Windows\explorer.exe
                        explorer.exe
                        1⤵
                          PID:4276
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                          • Modifies Installed Components in the registry
                          PID:4200
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                            PID:4552
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                              PID:4876
                            • C:\Windows\explorer.exe
                              explorer.exe
                              1⤵
                                PID:3036
                              • C:\Windows\explorer.exe
                                explorer.exe
                                1⤵
                                  PID:3396
                                • C:\Windows\explorer.exe
                                  explorer.exe
                                  1⤵
                                    PID:2332
                                  • C:\Windows\explorer.exe
                                    explorer.exe
                                    1⤵
                                      PID:3884
                                    • C:\Windows\explorer.exe
                                      explorer.exe
                                      1⤵
                                        PID:3856
                                      • C:\Windows\explorer.exe
                                        explorer.exe
                                        1⤵
                                          PID:2352
                                        • C:\Windows\explorer.exe
                                          explorer.exe
                                          1⤵
                                            PID:1196
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:4164
                                            • C:\Windows\explorer.exe
                                              explorer.exe
                                              1⤵
                                                PID:3504
                                              • C:\Windows\explorer.exe
                                                explorer.exe
                                                1⤵
                                                  PID:3128
                                                • C:\Windows\explorer.exe
                                                  explorer.exe
                                                  1⤵
                                                    PID:3492
                                                  • C:\Windows\explorer.exe
                                                    explorer.exe
                                                    1⤵
                                                      PID:5004
                                                    • C:\Windows\explorer.exe
                                                      explorer.exe
                                                      1⤵
                                                        PID:4708
                                                      • C:\Windows\explorer.exe
                                                        explorer.exe
                                                        1⤵
                                                          PID:4120
                                                        • C:\Windows\explorer.exe
                                                          explorer.exe
                                                          1⤵
                                                            PID:3656
                                                          • C:\Windows\explorer.exe
                                                            explorer.exe
                                                            1⤵
                                                              PID:2796
                                                            • C:\Windows\explorer.exe
                                                              explorer.exe
                                                              1⤵
                                                                PID:5092
                                                              • C:\Windows\explorer.exe
                                                                explorer.exe
                                                                1⤵
                                                                  PID:808
                                                                • C:\Windows\explorer.exe
                                                                  explorer.exe
                                                                  1⤵
                                                                    PID:1588
                                                                  • C:\Windows\explorer.exe
                                                                    explorer.exe
                                                                    1⤵
                                                                      PID:2568
                                                                    • C:\Windows\explorer.exe
                                                                      explorer.exe
                                                                      1⤵
                                                                        PID:3784
                                                                      • C:\Windows\explorer.exe
                                                                        explorer.exe
                                                                        1⤵
                                                                          PID:2016
                                                                        • C:\Windows\explorer.exe
                                                                          explorer.exe
                                                                          1⤵
                                                                            PID:3940
                                                                          • C:\Windows\explorer.exe
                                                                            explorer.exe
                                                                            1⤵
                                                                              PID:2492
                                                                            • C:\Windows\explorer.exe
                                                                              explorer.exe
                                                                              1⤵
                                                                                PID:1108
                                                                              • C:\Windows\explorer.exe
                                                                                explorer.exe
                                                                                1⤵
                                                                                  PID:4312
                                                                                • C:\Windows\explorer.exe
                                                                                  explorer.exe
                                                                                  1⤵
                                                                                    PID:1772
                                                                                  • C:\Windows\explorer.exe
                                                                                    explorer.exe
                                                                                    1⤵
                                                                                      PID:4496
                                                                                    • C:\Windows\explorer.exe
                                                                                      explorer.exe
                                                                                      1⤵
                                                                                        PID:4608
                                                                                      • C:\Windows\explorer.exe
                                                                                        explorer.exe
                                                                                        1⤵
                                                                                          PID:440
                                                                                        • C:\Windows\explorer.exe
                                                                                          explorer.exe
                                                                                          1⤵
                                                                                            PID:3932
                                                                                          • C:\Windows\explorer.exe
                                                                                            explorer.exe
                                                                                            1⤵
                                                                                              PID:3104
                                                                                            • C:\Windows\explorer.exe
                                                                                              explorer.exe
                                                                                              1⤵
                                                                                                PID:3708
                                                                                              • C:\Windows\explorer.exe
                                                                                                explorer.exe
                                                                                                1⤵
                                                                                                  PID:3044
                                                                                                • C:\Windows\explorer.exe
                                                                                                  explorer.exe
                                                                                                  1⤵
                                                                                                    PID:3624

                                                                                                  Network

                                                                                                  MITRE ATT&CK Enterprise v15

                                                                                                  Replay Monitor

                                                                                                  Loading Replay Monitor...

                                                                                                  Downloads

                                                                                                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53

                                                                                                    Filesize

                                                                                                    471B

                                                                                                    MD5

                                                                                                    0d88b34b36dba7319a5ebebe16cf4087

                                                                                                    SHA1

                                                                                                    6e0c078bba7efc8ce63add2671870e70e8c4f28c

                                                                                                    SHA256

                                                                                                    00a6021030e327dbaf083bb0de760da6472b6187d40a69a901aafd0c7af82752

                                                                                                    SHA512

                                                                                                    636c67265aec48798ba76d155dfeba5fb1f02c4355ec61e1d7249485c8f8f1f609c0de9a69a226ed733a68b128458519a15f88b2a0d24da5fea72459c70801eb

                                                                                                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53

                                                                                                    Filesize

                                                                                                    412B

                                                                                                    MD5

                                                                                                    c9451efe5c7b5e9ba7410889ccb2d5ae

                                                                                                    SHA1

                                                                                                    4767b9385194750885ad7bc302c28afe9caf5aea

                                                                                                    SHA256

                                                                                                    ea093b31996ef4e4bd4fb8428c32b5ff3a623293432efd7dc680bbb9ddc4c502

                                                                                                    SHA512

                                                                                                    d32cc833d7b9d0cf7031227c3686d24783fd242030f34c3e992d6c61a8e988d935b7c8f2e68e562fcaf453e9682d75761922a3d2001a42ae18a00a9ea92191c4

                                                                                                  • C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat

                                                                                                    Filesize

                                                                                                    1022B

                                                                                                    MD5

                                                                                                    fbe1a0beaacf72c47da64cadb8f6d865

                                                                                                    SHA1

                                                                                                    ddb4762359cc820a2cc4e3d0209bc51e2e4fab36

                                                                                                    SHA256

                                                                                                    93603a922e97adebbb6a147d84a0a12db5a9ed2d5da0ffe8bf9697cba5259b0a

                                                                                                    SHA512

                                                                                                    2684283e908df07f726799ad83bb815651bdce9a0f876a9e81b8a14e643f32c9e3673bc863e3976756589f150b1277bc158a9000998e7ec8bc3c079e2d9dbe8f

                                                                                                  • memory/864-27-0x0000000000C80000-0x0000000000C90000-memory.dmp

                                                                                                    Filesize

                                                                                                    64KB

                                                                                                  • memory/864-36-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-28-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-7-0x0000000000C70000-0x0000000000C71000-memory.dmp

                                                                                                    Filesize

                                                                                                    4KB

                                                                                                  • memory/864-29-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-14-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-3-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-2-0x0000000000C80000-0x0000000000C90000-memory.dmp

                                                                                                    Filesize

                                                                                                    64KB

                                                                                                  • memory/864-1-0x0000000000C80000-0x0000000000C90000-memory.dmp

                                                                                                    Filesize

                                                                                                    64KB

                                                                                                  • memory/864-43-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-24-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-30-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-26-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-0-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-6-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-42-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-25-0x0000000000C80000-0x0000000000C90000-memory.dmp

                                                                                                    Filesize

                                                                                                    64KB

                                                                                                  • memory/864-31-0x0000000000C70000-0x0000000000C71000-memory.dmp

                                                                                                    Filesize

                                                                                                    4KB

                                                                                                  • memory/864-32-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-33-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-34-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-35-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-5-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-38-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-39-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-40-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/864-41-0x0000000000400000-0x0000000000A79000-memory.dmp

                                                                                                    Filesize

                                                                                                    6.5MB

                                                                                                  • memory/3264-13-0x00000000047F0000-0x00000000047F1000-memory.dmp

                                                                                                    Filesize

                                                                                                    4KB

                                                                                                  • memory/3480-19-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

                                                                                                    Filesize

                                                                                                    4KB