Overview

overview

8

Static

static

3

47a91b5977...40.exe

windows7-x64

7

47a91b5977...40.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 01:20

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General

  • Target

    47a91b5977ae37d569959af59a336c40.exe

  • Size

    859KB

  • MD5

    47a91b5977ae37d569959af59a336c40

  • SHA1

    e4657211489bfb52c32c83bae99a9b650292bda9

  • SHA256

    168724fb7e0800b37d13e77cb330269d8e14d148c42ad3f8187eaaa314b55634

  • SHA512

    2ed539ec166ba394c715662eccbc3aaaaa970929557c2b920e9112108297c26af02c014875032da36fc4165ba225fc97150c111225439e1abde876f26640bb30

  • SSDEEP

    24576:BYZ6wn7I5umaj2HQcb43MxpjtAHEhKnOBW:BYZn7IzaSHZU8jqkW

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 29 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.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 11 IoCs
  • 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 8 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 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 11 IoCs
  • Suspicious use of WriteProcessMemory 15 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\47a91b5977ae37d569959af59a336c40.exe
    "C:\Users\Admin\AppData\Local\Temp\47a91b5977ae37d569959af59a336c40.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\ProgramData\isecurity.exe
      C:\ProgramData\isecurity.exe
      2⤵
      • Executes dropped EXE
      • 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:2216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 880
        3⤵
        • Program crash
        PID:464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1144
        3⤵
        • Program crash
        PID:60
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1168
        3⤵
        • Program crash
        PID:3448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1208
        3⤵
        • Program crash
        PID:512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1296
        3⤵
        • Program crash
        PID:5044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1320
        3⤵
        • Program crash
        PID:3516
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1332
        3⤵
        • Program crash
        PID:2228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1388
        3⤵
        • Program crash
        PID:3608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 2004
        3⤵
        • Program crash
        PID:4304
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1324
        3⤵
        • Program crash
        PID:2700
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2216 -ip 2216
    1⤵
      PID:3876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 856
      1⤵
      • Program crash
      PID:4256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2216 -ip 2216
      1⤵
        PID:1716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2216 -ip 2216
        1⤵
          PID:2056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2216 -ip 2216
          1⤵
            PID:3872
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2216 -ip 2216
            1⤵
              PID:4844
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2216 -ip 2216
              1⤵
                PID:3564
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 612 -p 2216 -ip 2216
                1⤵
                  PID:2288
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 2216 -ip 2216
                  1⤵
                    PID:3088
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 652 -p 2216 -ip 2216
                    1⤵
                      PID:1440
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:3712
                      • C:\Windows\explorer.exe
                        explorer.exe /LOADSAVEDWINDOWS
                        2⤵
                        • Modifies Installed Components in the registry
                        • Modifies registry class
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of SendNotifyMessage
                        PID:3304
                    • 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:728
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of WriteProcessMemory
                      PID:2732
                      • C:\Windows\explorer.exe
                        explorer.exe /LOADSAVEDWINDOWS
                        2⤵
                        • Modifies registry class
                        PID:2848
                    • 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:368
                    • 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:1440
                    • C:\Windows\System32\rundll32.exe
                      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
                      1⤵
                        PID:4264
                      • C:\Windows\system32\sihost.exe
                        sihost.exe
                        1⤵
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of WriteProcessMemory
                        PID:4592
                        • 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:1488
                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                        1⤵
                        • Suspicious use of SetWindowsHookEx
                        PID:4420
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:3592
                        • C:\Windows\system32\sihost.exe
                          sihost.exe
                          1⤵
                          • Suspicious use of WriteProcessMemory
                          PID:4732
                          • C:\Windows\explorer.exe
                            explorer.exe /LOADSAVEDWINDOWS
                            2⤵
                            • 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 SendNotifyMessage
                            • Suspicious use of SetWindowsHookEx
                            PID:2956
                        • C:\Windows\system32\sihost.exe
                          sihost.exe
                          1⤵
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:1112
                          • C:\Windows\explorer.exe
                            explorer.exe /LOADSAVEDWINDOWS
                            2⤵
                            • Modifies registry class
                            PID:468
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
                          1⤵
                            PID:4264
                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                            1⤵
                            • Suspicious use of SetWindowsHookEx
                            PID:2704
                          • C:\Windows\system32\sihost.exe
                            sihost.exe
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:3832
                            • 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 SetWindowsHookEx
                              PID:3912
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 640 -p 2216 -ip 2216
                            1⤵
                              PID:1284
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 632 -p 2216 -ip 2216
                              1⤵
                                PID:4724

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\ProgramData\isecurity.exe
                                Filesize

                                99KB

                                MD5

                                06395745b5e18b8d9ff0f35c4a9cdf62

                                SHA1

                                600707a48f1a9d594219e57dc41e6371c0be74bf

                                SHA256

                                3ba693f9584af3114bc7f2a0e554c342ceaf3bed331037587e628f3c9ceb58cf

                                SHA512

                                78a8c116305c82bb54e6e49edc5d9be4d47ac7b07f950f507b7754e5df028259fab031c0e3728a65e660ce59f705f8ac2dc9d4aaff0e196b9ecc5c6cab6e4d8c

                                Download Submit

                              • memory/1440-32-0x0000000004150000-0x0000000004151000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/1488-40-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/1500-1-0x0000000002250000-0x0000000002251000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/1500-2-0x0000000000400000-0x0000000000507000-memory.dmp

                                Filesize

                                1.0MB

                                Download

                              • memory/1500-7-0x0000000000400000-0x0000000000507000-memory.dmp

                                Filesize

                                1.0MB

                                Download

                              • memory/1500-0-0x0000000000400000-0x0000000000507000-memory.dmp

                                Filesize

                                1.0MB

                                Download

                              • memory/2216-63-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-89-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-17-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-19-0x00000000027B0000-0x00000000027B1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2216-39-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-15-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-96-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-95-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-62-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-14-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-64-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-71-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-72-0x00000000027B0000-0x00000000027B1000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/2216-73-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-80-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-81-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-82-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-83-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-88-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-18-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-90-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-93-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2216-94-0x0000000000400000-0x0000000000A42000-memory.dmp

                                Filesize

                                6.3MB

                                Download

                              • memory/2956-46-0x0000000004D30000-0x0000000004D31000-memory.dmp

                                Filesize

                                4KB

                                Download

                              • memory/3912-54-0x00000000042B0000-0x00000000042B1000-memory.dmp

                                Filesize

                                4KB

                                Download