Overview

overview

8

Static

static

2992f67685...e1.exe

windows7-x64

8

2992f67685...e1.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    154s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 16:34

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General

  • Target

    2992f676851f6952a2d320102af62a190efb24a9a9946c1f777f69f389e5afe1.exe

  • Size

    846KB

  • MD5

    7cfdc65f4feb349feb8e0024604e1313

  • SHA1

    0acf2ee8a5cfe9d6f1dec5a0aed15bee45746527

  • SHA256

    2992f676851f6952a2d320102af62a190efb24a9a9946c1f777f69f389e5afe1

  • SHA512

    34fa60c4625424658798c056a6a748d33f911895ef1fb4a743e0b9441afb27bb320e2cf38a0d9dac434b9d0eff0fccec5deebf38f1457593a6d708b7fe4ff90d

  • SSDEEP

    24576:yws5IlKswgKNn0bVPi8zPsPy2Hhc+2w2fMQdxN:ydIF+0bM8z0JHu9b/

Score
8/10
bootkitpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 22 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). Likely ransomware behaviour.

  • Program crash 10 IoCs
  • Checks SCSI registry key(s) 3 TTPs 40 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 39 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2992f676851f6952a2d320102af62a190efb24a9a9946c1f777f69f389e5afe1.exe
    "C:\Users\Admin\AppData\Local\Temp\2992f676851f6952a2d320102af62a190efb24a9a9946c1f777f69f389e5afe1.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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:2372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 912
        3⤵
        • Program crash
        PID:5004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 944
        3⤵
        • Program crash
        PID:3784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1160
        3⤵
        • Program crash
        PID:320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1176
        3⤵
        • Program crash
        PID:1876
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1156
        3⤵
        • Program crash
        PID:4856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1344
        3⤵
        • Program crash
        PID:2564
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1312
        3⤵
        • Program crash
        PID:1404
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1324
        3⤵
        • Program crash
        PID:3276
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1360
        3⤵
        • Program crash
        PID:2256
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 1612
        3⤵
        • Program crash
        PID:2284
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2372 -ip 2372
    1⤵
      PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2372 -ip 2372
      1⤵
        PID:1056
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2372 -ip 2372
        1⤵
          PID:112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2372 -ip 2372
          1⤵
            PID:4276
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2372 -ip 2372
            1⤵
              PID:4384
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2372 -ip 2372
              1⤵
                PID:1856
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2372 -ip 2372
                1⤵
                  PID:4624
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2372 -ip 2372
                  1⤵
                    PID:2024
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2372 -ip 2372
                    1⤵
                      PID:4200
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      PID:3132
                    • 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:5104
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of WriteProcessMemory
                      PID:1120
                      • C:\Windows\explorer.exe
                        explorer.exe /LOADSAVEDWINDOWS
                        2⤵
                        • Modifies Installed Components in the registry
                        • Checks SCSI registry key(s)
                        • Modifies registry class
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of FindShellTrayWindow
                        • Suspicious use of SendNotifyMessage
                        PID:1388
                    • 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:4116
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      PID:4996
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      PID:5020
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      PID:1376
                    • C:\Windows\system32\sihost.exe
                      sihost.exe
                      1⤵
                      • Suspicious use of FindShellTrayWindow
                      PID:808
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2372 -ip 2372
                      1⤵
                        PID:1068

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      • C:\ProgramData\isecurity.exe
                        Filesize

                        838KB

                        MD5

                        995dbe80bc53454c1c4f07a6e08e7e10

                        SHA1

                        d28ccc826e54225efb69882c59787a3e6bbd32d0

                        SHA256

                        aaa766a6a3f9fd691f5e90fb7170e2e4db6eb44dc951d2a3650b21733e4457bb

                        SHA512

                        cd49bcc3944bbbfbb3b4a8b80736be7eca6363bafe7f1f6ff475f0d15b1603eef6bbbce9852eab118096909c491a4e617b1a309e9f4997ac2403dc03066064c2

                        Download Submit

                      • C:\ProgramData\isecurity.exe
                        Filesize

                        838KB

                        MD5

                        995dbe80bc53454c1c4f07a6e08e7e10

                        SHA1

                        d28ccc826e54225efb69882c59787a3e6bbd32d0

                        SHA256

                        aaa766a6a3f9fd691f5e90fb7170e2e4db6eb44dc951d2a3650b21733e4457bb

                        SHA512

                        cd49bcc3944bbbfbb3b4a8b80736be7eca6363bafe7f1f6ff475f0d15b1603eef6bbbce9852eab118096909c491a4e617b1a309e9f4997ac2403dc03066064c2

                        Download Submit

                      • C:\Users\Public\Desktop\Internet Security.lnk
                        Filesize

                        682B

                        MD5

                        901755eeca73e05ba32e9e4688418c4a

                        SHA1

                        816deb210bd58f729c3cb59ff8166b08c1fc4c2c

                        SHA256

                        0ebf8d4a8d2081977a60de403623ad87cc069828383c4c02cb9a86f55aac38a6

                        SHA512

                        01d8ba1b84fcece0e4e90dd8f21217571dffeb2f6229e088b87d0986e2be1db60363c4362fd2615df1de2761c2f5c9a3830bac9f3d9053f9b4ba7be70e160241

                        Download Submit

                      • memory/1388-142-0x0000000000000000-mapping.dmp

                        Download

                      • memory/2080-135-0x0000000000400000-0x000000000050A000-memory.dmp

                        Filesize

                        1.0MB

                        Download

                      • memory/2372-136-0x0000000000000000-mapping.dmp

                        Download

                      • memory/2372-139-0x0000000000400000-0x0000000000A3F000-memory.dmp

                        Filesize

                        6.2MB

                        Download

                      • memory/2372-141-0x0000000000400000-0x0000000000A3F000-memory.dmp

                        Filesize

                        6.2MB

                        Download