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Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 10:58

General

  • Target

    48c8d3cf51777df66b48b5daf42896e7.dll

  • Size

    202KB

  • MD5

    48c8d3cf51777df66b48b5daf42896e7

  • SHA1

    4bb1be0a60e738225bb9f024ca01bb51031b0ed1

  • SHA256

    db0d0c3dc48d3d619b4ee7cdc63ef2726c7781c8d9981e836cfbac45b3d27bb7

  • SHA512

    a82cbd148d94f14420bcefe8744b86b8fe8b3081e5133bd272f17aa9e914f74423e7fcb060470c183ecefa835427061d62c096b56243a487a7593dec459738d4

  • SSDEEP

    6144:vE/tmQKul1p9sjeRcsBPcu5y9xaJr3tnmdZy4Z:vE/tmtuZLpJcusxKwdfZ

Score
8/10

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Protected Mode 1 TTPs 15 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 12 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\48c8d3cf51777df66b48b5daf42896e7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\48c8d3cf51777df66b48b5daf42896e7.dll,#1
      2⤵
      • Modifies Internet Explorer Protected Mode
      • Modifies Internet Explorer Protected Mode Banner
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        PID:2828
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
          PID:1308
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          3⤵
          • Modifies Internet Explorer Protected Mode
          • Modifies Internet Explorer Protected Mode Banner
          • Modifies Internet Explorer settings
          • Suspicious behavior: EnumeratesProcesses
          PID:1988
    • C:\Windows\system32\ctfmon.exe
      ctfmon.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:2836
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2428
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2936 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      1bea428d37a229a668feeb570fad3821

      SHA1

      320060d0e73bbd012a5a6c98f2c648a662b08c0e

      SHA256

      5bc1ed0b94222bc3a5c7523c85112a653c49babc375067658859e107c997a347

      SHA512

      6f702ee90855996b97326c50208b06cdb54ee83ce2393520a099c2cba996c2929a5b4e5d807e3f3458c836ceaae4272c35ed4e6abc70384906d0753924149fd9

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      dc48247d70a4637efbc35d38816f6b80

      SHA1

      3fe1f1ea487ff0170bcb1d0f89b85b5112584b57

      SHA256

      046c5dea9f20e5ae51f9f3bd1ff09a2e0540bac9beaf107cb6ad3a7776713977

      SHA512

      c3f868d2bde3bb385cfa0ea0db14a8faab88158c9a3f13b63fc8c7424339f50b96ce26f65a304a1382afe9d5b7616f1e1c591a73892c38b5c5c29bebf09a7c3c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      f0ebb5d3b07aaedba0125b890e6b434c

      SHA1

      5d797095d8f5b1c1b03a5dccdc18a74f99376982

      SHA256

      48dd5c59e4f5fe37cdbffa4ed223a84ea450c85147afa5a713b5d1c63350fc40

      SHA512

      f8e91ce220304e64e95a2a847909924ed6c4f9a051ae10b086bac829b32d53ef14ea5c12e1a3d483a139d3d47a438842758f1a96811fa22d8a665414df6740d6

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      f1e52e7407d67940ba1b3cf8cdefa722

      SHA1

      25c2b2987db442dd6413569d8ee0c2a4f920c840

      SHA256

      8aa8fd345c76bb55e87d1e4249c66d3961235054b3146d1c0183bf01c0ce1213

      SHA512

      0e577deaf028c7a504db3a9450c00fc747f73406491b24f84710dfffc8ab6cbdde7bff5603564d7e1f0ab8b5a0c88f755d1c0de86635a66644482c21a5554556

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      6ac44a33c61e68729c3fdaf89df6ca84

      SHA1

      b9a2bdb625b95ca49a1e254f2f71307eff32e93f

      SHA256

      8a6456c57ec3bf09744e44d9ce673347d91fa7a0783baf107e5ec1617bfca680

      SHA512

      9075d02907b59d912fb20ff597fd23b967e8fc1dbd9838a6e890bdb69dfb0e8be2dc422b294d38093ccdae3d9fd8b81a59f5f40b9fb978178e1f034c6dde7200

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      04e9b8ec66e04b71179dd4d43adf9569

      SHA1

      a8fcbaed97614bc06d5ac73927e59dc00fe316cb

      SHA256

      b8b182b46e1ced9b5b25b6bb10f4e23cb95e6d2af0e0f33dd99c8fc1aa64c6e0

      SHA512

      b8be7c9816dea16e0a1e727dcc37999c645ad343f98a219bb166e1da9d23d0cfc546d56fb55787f9e8035f3d6e29e68408fa80ab2489bc2687fe0caa7ce54e75

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      bd092359032349851cbb019550b2d4ce

      SHA1

      c2026c666a8ee6bcf3584f212494b9c6dc892c93

      SHA256

      5790178d24a9221fdb629151d0922db5a38d8879e84599bc435917586b02637d

      SHA512

      449eca5114e3bab32777302f030aec81d6b4543a785d591f3f848f17aa0865586980e5dc86bc8f50a0433990ed48b794d6ad54fd5f3961c12361a2291bd054ab

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      fb291b9bcbe28d73dcd1bd20d8185f88

      SHA1

      8e49251d2c069570a3c41cbcfbcc31f9a39bb72d

      SHA256

      d9265a4fb05dfa8235c23ac81239670950ddde218d48974806d8a71e0bc5bdfe

      SHA512

      a9c594ca5b0b96444f2616784a3ca0a0064bcb5249a9804404a20c22e5f76ae0d0eba99769c3a06cbe280c679a295e3df6bdd97af1b0712c9576cfaac68c13a8

    • C:\Users\Admin\AppData\Local\Temp\CabF74D.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\TarF760.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/1988-14-0x0000000001BB0000-0x0000000001BFD000-memory.dmp

      Filesize

      308KB

    • memory/1988-12-0x0000000001BB0000-0x0000000001BFD000-memory.dmp

      Filesize

      308KB

    • memory/1988-11-0x0000000001BB0000-0x0000000001BFD000-memory.dmp

      Filesize

      308KB

    • memory/2032-2-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB

    • memory/2032-0-0x0000000000400000-0x000000000044D000-memory.dmp

      Filesize

      308KB

    • memory/2032-1-0x0000000000170000-0x0000000000185000-memory.dmp

      Filesize

      84KB

    • memory/2428-5-0x0000000003B00000-0x0000000003B01000-memory.dmp

      Filesize

      4KB

    • memory/2428-4-0x0000000003B10000-0x0000000003B20000-memory.dmp

      Filesize

      64KB

    • memory/2428-16-0x0000000003B00000-0x0000000003B01000-memory.dmp

      Filesize

      4KB

    • memory/2828-8-0x00000000002A0000-0x00000000002ED000-memory.dmp

      Filesize

      308KB

    • memory/2828-7-0x00000000002A0000-0x00000000002ED000-memory.dmp

      Filesize

      308KB

    • memory/2828-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/2828-13-0x00000000002A0000-0x00000000002ED000-memory.dmp

      Filesize

      308KB

    • memory/2828-9-0x0000000000550000-0x0000000000552000-memory.dmp

      Filesize

      8KB