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Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04/03/2024, 13:52

General

  • Target

    b249dcfbe72dc741c6cdef6a19a052ec.exe

  • Size

    294KB

  • MD5

    b249dcfbe72dc741c6cdef6a19a052ec

  • SHA1

    53163fcc6db4fa759a9e0e33f3944c1b6371eed3

  • SHA256

    90aba696da20cc79658922318e2624eb5ddea6cd5c08bea2018617ae79026da3

  • SHA512

    e2c680db5625208bc4d8656a1a4718c5fa6f06c325039a93de0361e1846c9ff9779d86af311d0278910718a62f04af899b9af8fbaa2fb5c86373bc997c5da072

  • SSDEEP

    6144:NiGtsLBZAlqNC+Y+1PTG/qm/PgCnmUSFMhl4Q0+M/oI29QKS:gGtsLBWt+d1PTEn/iUSFM8Q0+rI2jS

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1060
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1188
          • C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe
            "C:\Users\Admin\AppData\Local\Temp\b249dcfbe72dc741c6cdef6a19a052ec.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Modifies Internet Explorer settings
            • Suspicious use of UnmapMainImage
            • Suspicious use of WriteProcessMemory
            PID:1992
            • C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe
              "C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe"
              3⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of UnmapMainImage
              • Suspicious use of WriteProcessMemory
              PID:2368
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpb9d8a901.bat"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2160
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 112
                4⤵
                • Program crash
                PID:1264
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1456
          • C:\Windows\system32\conhost.exe
            \??\C:\Windows\system32\conhost.exe "-15327495092059029896608600068-1704279424-499724045-312915142-1734203391-623858314"
            1⤵
              PID:2044

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Roaming\Vubau\mywi.exe

              Filesize

              294KB

              MD5

              55d0afb20708a172653e5fe694987d62

              SHA1

              24f0fe99545293a66e9924d9a4268bfad9d2114d

              SHA256

              ae97aa492cf245d3acc1728ce1b7e307fd5c72daaeb09b7381f8c5fef57f446b

              SHA512

              659b3128abc3f25e4db61363e9cce1f945e2383a4c59a907c10ee29b8ba51ca099ccd30fe75cfb3c88f8e4049fd9b167a5356c95c82d6e6dd7383caa240e089f

            • memory/1060-22-0x0000000002250000-0x0000000002294000-memory.dmp

              Filesize

              272KB

            • memory/1060-21-0x0000000002250000-0x0000000002294000-memory.dmp

              Filesize

              272KB

            • memory/1060-19-0x0000000002250000-0x0000000002294000-memory.dmp

              Filesize

              272KB

            • memory/1060-18-0x0000000002250000-0x0000000002294000-memory.dmp

              Filesize

              272KB

            • memory/1060-23-0x0000000002250000-0x0000000002294000-memory.dmp

              Filesize

              272KB

            • memory/1152-30-0x00000000001D0000-0x0000000000214000-memory.dmp

              Filesize

              272KB

            • memory/1152-32-0x00000000001D0000-0x0000000000214000-memory.dmp

              Filesize

              272KB

            • memory/1152-26-0x00000000001D0000-0x0000000000214000-memory.dmp

              Filesize

              272KB

            • memory/1152-28-0x00000000001D0000-0x0000000000214000-memory.dmp

              Filesize

              272KB

            • memory/1188-38-0x0000000002470000-0x00000000024B4000-memory.dmp

              Filesize

              272KB

            • memory/1188-37-0x0000000002470000-0x00000000024B4000-memory.dmp

              Filesize

              272KB

            • memory/1188-36-0x0000000002470000-0x00000000024B4000-memory.dmp

              Filesize

              272KB

            • memory/1188-35-0x0000000002470000-0x00000000024B4000-memory.dmp

              Filesize

              272KB

            • memory/1264-286-0x0000000002600000-0x0000000002644000-memory.dmp

              Filesize

              272KB

            • memory/1264-279-0x0000000002600000-0x0000000002644000-memory.dmp

              Filesize

              272KB

            • memory/1264-281-0x00000000775A0000-0x00000000775A1000-memory.dmp

              Filesize

              4KB

            • memory/1264-283-0x0000000000330000-0x0000000000331000-memory.dmp

              Filesize

              4KB

            • memory/1456-46-0x0000000001C80000-0x0000000001CC4000-memory.dmp

              Filesize

              272KB

            • memory/1456-44-0x0000000001C80000-0x0000000001CC4000-memory.dmp

              Filesize

              272KB

            • memory/1456-40-0x0000000001C80000-0x0000000001CC4000-memory.dmp

              Filesize

              272KB

            • memory/1456-42-0x0000000001C80000-0x0000000001CC4000-memory.dmp

              Filesize

              272KB

            • memory/1992-53-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-72-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-49-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-50-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-51-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-52-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-5-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/1992-54-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-57-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-59-0x00000000775A0000-0x00000000775A1000-memory.dmp

              Filesize

              4KB

            • memory/1992-60-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-56-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-62-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-64-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-66-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-68-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-70-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-3-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/1992-74-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-76-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-78-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-80-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-82-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-150-0x0000000000560000-0x0000000000561000-memory.dmp

              Filesize

              4KB

            • memory/1992-170-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/1992-171-0x0000000000510000-0x0000000000554000-memory.dmp

              Filesize

              272KB

            • memory/1992-4-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/1992-2-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/1992-0-0x0000000000280000-0x00000000002C4000-memory.dmp

              Filesize

              272KB

            • memory/1992-1-0x00000000002D0000-0x000000000031D000-memory.dmp

              Filesize

              308KB

            • memory/2368-16-0x0000000000310000-0x000000000035D000-memory.dmp

              Filesize

              308KB

            • memory/2368-20-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/2368-284-0x0000000000400000-0x0000000000444000-memory.dmp

              Filesize

              272KB

            • memory/2368-15-0x0000000000280000-0x00000000002C4000-memory.dmp

              Filesize

              272KB