Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2024, 17:15

General

  • Target

    4c03c7f9588341061e002b066c28aeae.exe

  • Size

    37KB

  • MD5

    4c03c7f9588341061e002b066c28aeae

  • SHA1

    aa283c132ed7f9aefd030529e711aa00f40c5e25

  • SHA256

    6a4e8525cfcecb6f890ded675d5efc9cc5c4a5445714e80f9d2ff9871fa1e05f

  • SHA512

    f88feef44b97553654edc35c3eae2adcd9366e7ed61deaa94ccfa85b9fcd7e18f18ed4d8b071391ee6c64b78ca7d8a1be93cddfb010e47658f81b8d8816616aa

  • SSDEEP

    768:jrZymAZ/BdL/iC2Uf0kFwzcweZbhfPE1kZpIQTP03tDK0mxFc9EvGxEF+:HZ5AZ/b/n2Uf03pe/E1kZnsdDzAlvGx5

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c03c7f9588341061e002b066c28aeae.exe
    "C:\Users\Admin\AppData\Local\Temp\4c03c7f9588341061e002b066c28aeae.exe"
    1⤵
    • Adds policy Run key to start application
    • Sets file execution options in registry
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1984
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      Open http://www.xx.com/tj.htm(°üº¬51À­µÈÕßͳ¼Æ´úÂë)
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2852 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2784

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

          54edd31484c3cc0531c59bab63002d4d

          SHA1

          b885154168c2be53762932074048643746072473

          SHA256

          4144bf3197dd7b46d5a40be67c52ace035b7b1ab5caeae2a28f08ea6a65ac087

          SHA512

          49d843f7b621d81ebaa0ddd5862ae7e07e759ae96af8813c5c3210cac97800dd70ebe118992767af05902bcd36c5f26877acdeeea2f52b1693d8440d52adc770

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

          Filesize

          344B

          MD5

          4910184e16afdc01112597e6a91399fb

          SHA1

          9e48a296c477a30bc9b09657d025a2941fc76ece

          SHA256

          8c26856418a4664f635b17a8814c21bc7b4b23365473ff477f1eabc9975f3a49

          SHA512

          e56b574b4d8dc3db719d8dbc3ef46186d9844812dfcd711b091fe62cd100f737de58b4215f5c30b6a0511a461a0f3f7877de5877e9538d6f28cc75ecf75efddc

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

          Filesize

          344B

          MD5

          5f1a7c460d2aebac3fd03d5d45885682

          SHA1

          d5c05dce7a9b0bc63f28362ce99005d8c2d6d71f

          SHA256

          705b46614cc4c324d537b57667cf0075944a4c1c8c094174b875e02b95af43fc

          SHA512

          0c50eb8234cc89aec263b3de158352a6f6c9d6763f291c6262cd7c6cb76fb92696cd12f01c2d6ef719b0da534d91e13c24b28ae294356067f0a5a7e1e99bf147

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

          Filesize

          344B

          MD5

          98544b9e76014b12fd57f7bc66ed32d9

          SHA1

          5b56ce54c20f327cf65ad511bef9a52cfbfabeae

          SHA256

          519842491f40e5aa6ddcbf91e5c47f90eb8aafd2b6e917a9144d019401df1c95

          SHA512

          3d5488e787a3105e7e3eabf35225e7aecff82e60cf9d5e9cbb97d701e64ea16d879cd568b62a2e6c90f46f5cc102e583969a4e8ae4f6557e5f0fca95034514bc

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

          Filesize

          344B

          MD5

          f26311a9cd7e592ee333e200b4f35527

          SHA1

          d07b67231530070320fd3ebed05a6d9b46c048c6

          SHA256

          d530fa5d29a074142b6a1ba1ae2bf35e3017ae63ccd89a91f5802baccdfcdcb3

          SHA512

          3190f9b6133d42efaa2d6d530d61937dc12f006fc5bb720a40224abe7b5464cd21a9a25b7c8f8011b59c0cfc8f6b99e8caa33d7c6165b498d4c0803e9d2cd1a8

        • C:\Users\Admin\AppData\Local\Temp\Cab3CD4.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar3DC2.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • memory/1984-1-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/1984-0-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/1984-2-0x0000000000020000-0x0000000000030000-memory.dmp

          Filesize

          64KB

        • memory/1984-5-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB