Analysis

  • max time kernel
    134s
  • max time network
    231s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 18:57

General

  • Target

    041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe

  • Size

    564KB

  • MD5

    0f572a251c8bf0cfd1e265996a90e606

  • SHA1

    e293aa35cee656fbbe2cee9b553399a35bb463f4

  • SHA256

    041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc

  • SHA512

    3786fd1a4806e6e9460ad936e7077e178698810fa6020cdff2a20f2ad6f22548a9da4f9f0114b41550002474f768b77d9567d705c1b7dcf632f64c66af3d542e

  • SSDEEP

    12288:u+MDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0UW:utplNFgxG5eZngb0t

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 7 IoCs
  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe
    "C:\Users\Admin\AppData\Local\Temp\041698926287077b77e276b4cd5fa52964b3f17693ccc4ca9311b05499f0f7fc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
        3⤵
          PID:2016
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\1.vbs"
          3⤵
            PID:916
        • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
          C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1656
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl3
            3⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1416
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1416 CREDAT:275457 /prefetch:2
              4⤵
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:968
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
            3⤵
              PID:1628

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\SWK3APEQ.txt

          Filesize

          603B

          MD5

          1ed10f816dd27c50046c65f86bc015bf

          SHA1

          bdc610b076aea8fbbfd1cb315633f666d0e25ff4

          SHA256

          739e918779c34da44a2ec39f59517073348ebeb239a787ca3adc59128e6b795f

          SHA512

          64b46f8ecfcf8b684692e1095a7584db803a39dc28680cb039a941545737fd5cb61b1be54ac4bdec35a43ef920e9909a1b7b3ea55823cb4129ce1f52ea72772e

        • C:\newsetup.vbs

          Filesize

          631B

          MD5

          5e2c0c26e344eeae4304c9bb561ea89b

          SHA1

          4664f9d0f582ab586ab197515aa45499eb18db41

          SHA256

          f74ed58e1ff45165abf943ff0364fff8e5d873b9051ccba0da940399fbd8aac3

          SHA512

          4aa5f6d5c35160470f99808dab9a68f826e726eae0b7f536e71665b978d72502faf971c4f9f2a9a792b3aca04736c9c97d633da7b34b50dbd3831dcb67284d97

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • \Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • \Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • memory/916-70-0x0000000000000000-mapping.dmp

        • memory/1628-77-0x0000000000000000-mapping.dmp

        • memory/1656-76-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1656-65-0x0000000000000000-mapping.dmp

        • memory/1656-78-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1872-75-0x0000000001DA0000-0x0000000001E2A000-memory.dmp

          Filesize

          552KB

        • memory/1872-74-0x0000000001DA0000-0x0000000001E2A000-memory.dmp

          Filesize

          552KB

        • memory/1988-58-0x0000000075571000-0x0000000075573000-memory.dmp

          Filesize

          8KB

        • memory/1988-56-0x0000000000000000-mapping.dmp

        • memory/2016-67-0x0000000000000000-mapping.dmp