Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 11:18

General

  • Target

    7fb5c312fdbcb31ef86f8128f278e27b3f5a27989582963b73315d31e6679e12.exe

  • Size

    1.1MB

  • MD5

    4e32671a0711acaba3491dc6f6831abb

  • SHA1

    b54015af6fe3b41bdd990f1345b29dfc59542099

  • SHA256

    7fb5c312fdbcb31ef86f8128f278e27b3f5a27989582963b73315d31e6679e12

  • SHA512

    a8d04478efdfde0dbd31aabfc2507c60b3040bf7848836676f493cc4ccaaeb6141e1b5be99e0ef4b50220bb0a6d7ca00c8edead191ed2480e88e7b6ad487c71d

  • SSDEEP

    24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Q8:acallSllG4ZM7QzML

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 5 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fb5c312fdbcb31ef86f8128f278e27b3f5a27989582963b73315d31e6679e12.exe
    "C:\Users\Admin\AppData\Local\Temp\7fb5c312fdbcb31ef86f8128f278e27b3f5a27989582963b73315d31e6679e12.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4692
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:4940
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2648
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2444
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3896

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini

          Filesize

          92B

          MD5

          67b9b3e2ded7086f393ebbc36c5e7bca

          SHA1

          e6299d0450b9a92a18cc23b5704a2b475652c790

          SHA256

          44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

          SHA512

          826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

        • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

          Filesize

          753B

          MD5

          988ed5cdcd279cefc19a4102761b1643

          SHA1

          d3feea4fb669b63dbbb0d7226160f2af4a218ade

          SHA256

          4ee952f86b44c14f8bae5225d752acf57922ec39be0a68447c69c442cf11477f

          SHA512

          8f8147f1d8415fb1d06ea92fc2b73e7b1ce93556d07b46429c91fc0d8cf07dfbf2de9e467cf7ab856bb8bbe6f46029abbc486c7be970d4a9f5acd3b05fe4f513

        • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

          Filesize

          696B

          MD5

          f2d2f31794455ef80ea8a41b0b218045

          SHA1

          926c4e45922f43c6afc2cb31d96b5b35d4db3cae

          SHA256

          698e3bc7681704e68728030dcceb12377aae02f71e91a5fd15c12b686ba00141

          SHA512

          36cc2c9bd29c6bd97c2bd7eef7b9bffc512ebabf43d089a2866a66efc4f4f3f7d92b2d0719ae61ad07c38b89b1c0a4b59df57f84beef76c88bd376125048d714

        • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

          Filesize

          1.1MB

          MD5

          67362ea815f762cdce9a985492bf5e04

          SHA1

          2cc916da60f8d946a346c1cab5cea7743ab0c1d4

          SHA256

          48fe31891303bd41d21c8ed1c1e55baa2c3207ddccce11ac7532f69b03ef086d

          SHA512

          65373968a0bf7040055627f8c2908f50e61ae6ef863222799201f1972abd43121647aad90d288692f025ba584dd514f6b1be6b691781214ac59f40b2cb688602

        • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe

          Filesize

          1.1MB

          MD5

          40135c2c749fa3579e9e4180ca163b1d

          SHA1

          0fb3c069540fc1ebfa9c2a859ee89e31d21d5a20

          SHA256

          c06b2ba7a89f46cd067a97f443db128c3a08807ec1ebc679b88523858f75588d

          SHA512

          fb8b5973aa092bc81ddd560f900bfa469272e555e9cd972b608a69791d9118decfabddb987e5e2ac81633e5c94e4c18c61ab4bae627353119ad400a29cedac60

        • memory/60-0-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB

        • memory/60-9-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB

        • memory/2648-29-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB

        • memory/3748-12-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB

        • memory/3748-23-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB

        • memory/3896-27-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB

        • memory/3896-28-0x0000000000400000-0x000000000055F000-memory.dmp

          Filesize

          1.4MB