Overview

overview

10

Static

static

1

027cc450ef...45.dll

windows11-21h2-x64

Resubmissions

30-08-2024 13:08

240830-qc7asswhlm 10

30-08-2024 12:52

240830-p4dbcsvdle 10

30-08-2024 12:50

240830-p25mtswdkr 10

30-08-2024 12:48

240830-p126bawcpr 10

Analysis

  • max time kernel
    321s
  • max time network
    323s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-08-2024 12:52

Sharing

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll

  • Size

    353KB

  • MD5

    71b6a493388e7d0b40c83ce903bc6b04

  • SHA1

    34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d

  • SHA256

    027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745

  • SHA512

    072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f

  • SSDEEP

    6144:y/Bt80VmNTBo/x95ZjAetGDN3VFNq7pC+9OqFoK30b3ni5rdQY/CdUOs2:y/X4NTS/x9jNG+w+9OqFoK323qdQYKUG

Score
10/10
mimikatzbootkitdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

    mimikatz
  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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
  • Drops file in Program Files directory 55 IoCs
  • Drops file in Windows directory 10 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll,#1
      2⤵
      • Deletes itself
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4612
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 14:05
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4940
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 14:05
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:688
      • C:\Users\Admin\AppData\Local\Temp\F359.tmp
        "C:\Users\Admin\AppData\Local\Temp\F359.tmp" \\.\pipe\{D71ADC93-E6D7-4446-B8CC-033E972D0C76}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4864
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2220
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
      1⤵
        PID:3444
      • C:\Windows\System32\oobe\UserOOBEBroker.exe
        C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
        1⤵
        • Drops file in Windows directory
        PID:4972
      • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
        C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
        1⤵
        • System Location Discovery: System Language Discovery
        PID:2784
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k DevicesFlow -s DevicesFlowUserSvc
        1⤵
          PID:2096
        • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
          C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
          1⤵
          • System Location Discovery: System Language Discovery
          PID:3416
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
          1⤵
            PID:3292
          • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
            C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
            1⤵
            • System Location Discovery: System Language Discovery
            PID:5848
          • C:\Windows\System32\oobe\UserOOBEBroker.exe
            C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
            1⤵
            • Drops file in Windows directory
            PID:908
          • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
            C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
            1⤵
            • System Location Discovery: System Language Discovery
            PID:3964
          • C:\Windows\system32\taskmgr.exe
            "C:\Windows\system32\taskmgr.exe" /0
            1⤵
            • Checks SCSI registry key(s)
            • Checks processor information in registry
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:4520
          • C:\Windows\SysWOW64\DllHost.exe
            C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
            1⤵
            • System Location Discovery: System Language Discovery
            PID:1028
          • C:\Windows\system32\rundll32.exe
            "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,Control_RunDLL C:\Windows\System32\srchadmin.dll ,
            1⤵
              PID:1104
            • C:\Windows\system32\LogonUI.exe
              "LogonUI.exe" /flags:0x4 /state0:0xa3856855 /state1:0x41c64e6d
              1⤵
              • Modifies data under HKEY_USERS
              • Suspicious use of SetWindowsHookEx
              PID:2076

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\logs\Common\FileCoAuth-2024-8-30.132.2784.1.odl
              Filesize

              706B

              MD5

              bc42e4ce9bdf0841c52b52616bb4a68d

              SHA1

              0349165476d9f524866bb535af8f0b685e86bf37

              SHA256

              a9de1579fcb03c9429ef0d56dd1d6457ceacdb31559ed6db0173ee31d95b7cd1

              SHA512

              b6fd04caac78443c8d375659e5b5777d739fe50f694a2ec0cc2e45498fa81f8a92546256bf490105aa7ffe57bdb551513d24510b745bec41beffda3b9a162e69

              Download Submit

            • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\logs\Common\FileCoAuth-2024-8-30.132.3416.1.odl
              Filesize

              706B

              MD5

              78d2287088b56e31da8c2635633302aa

              SHA1

              c88d4e06cd8a9799c8e7854d8bd5b7fa0fbcfe09

              SHA256

              3fe93facd2c5a85ec473e07b26d6cac3029f6f9b644e04acfaccccdab975991b

              SHA512

              299872e853323ae00c2745e5c615d1daf1f608b11f054f5e94871f4d2534dc4c2312d1d86635406f4e82fabe7ea76b7f7350e85724d97848a17caebfb805fd26

              Download Submit

            • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\logs\Common\FileCoAuth-2024-8-30.133.5848.1.odl
              Filesize

              706B

              MD5

              fccb34ef569de716d161845cff69522d

              SHA1

              d7b825cfe69c98bbb44c649c75f4d44f32765704

              SHA256

              eeb41e41c449c318f2805ca2cd7e5bcf90f092170626feb15db60189b37cf2d4

              SHA512

              faff525f42128bb0417f3ce1fcb11ee517698d355ad57395fd54d6acd0ba9036719657eac762665ba66df5c567e98b82528c380536308ceba1cc8d42b508c92a

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\F359.tmp
              Filesize

              55KB

              MD5

              7e37ab34ecdcc3e77e24522ddfd4852d

              SHA1

              38e2855e11e353cedf9a8a4f2f2747f1c5c07fcf

              SHA256

              02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f

              SHA512

              1b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587

              Download Submit

            • memory/4520-61-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-59-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-55-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-56-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-57-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-51-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-58-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-60-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-50-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4520-49-0x000001F5553D0000-0x000001F5553D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4612-0-0x0000000002940000-0x000000000299E000-memory.dmp

              Filesize

              376KB

              Download

            • memory/4612-22-0x0000000002940000-0x000000000299E000-memory.dmp

              Filesize

              376KB

              Download

            • memory/4612-8-0x0000000002940000-0x000000000299E000-memory.dmp

              Filesize

              376KB

              Download

            • memory/4612-9-0x0000000002940000-0x000000000299E000-memory.dmp

              Filesize

              376KB

              Download

            • memory/4612-11-0x0000000002940000-0x000000000299E000-memory.dmp

              Filesize

              376KB

              Download