Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 10:34

General

  • Target

    fc52c4127d0ded9066389eff2f4e84d70360c723c80b3bb4e66b5f63f3cf4eac.exe

  • Size

    1.1MB

  • MD5

    c0bf95517f48639bb739cb1570bd7205

  • SHA1

    400d166d14afe3db5ad82b2608063f938a6a9865

  • SHA256

    fc52c4127d0ded9066389eff2f4e84d70360c723c80b3bb4e66b5f63f3cf4eac

  • SHA512

    bcadeee5091419c93ef96ee8475411c9f40f8ed691c76e62fa2417f3306ff682491a3b66801954cbf378f13b0c1cf8b9eed6ede8c71c8c4b447f7e0e31d6fcc3

  • SSDEEP

    24576:aH0dl8myX9Bg42QoXFkrzkmplSgRDYo0lG4Z8r7Qfbkiu5Qk:acallSllG4ZM7QzMj

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\fc52c4127d0ded9066389eff2f4e84d70360c723c80b3bb4e66b5f63f3cf4eac.exe
    "C:\Users\Admin\AppData\Local\Temp\fc52c4127d0ded9066389eff2f4e84d70360c723c80b3bb4e66b5f63f3cf4eac.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4076
    • 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:4504
      • 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:4984
        • 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:4960
          • 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:5800
        • 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:3300
          • 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:5740

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

    d0244eea3255327ca0c7c181d36b38ad

    SHA1

    a302f6b421088197510913b8a2e901d60ecaa12b

    SHA256

    3cac7c5f48f3b40497fdf7a62c9e2d2d73380ab2b6b9954b8314ebbc7a313908

    SHA512

    f2c6647e8d2ae1b9b8703b1d3166fc2c41edae031628e8335c026e07850f43052ac4bd53d24f0d136386ebeb82ebf5d557900bcd2e4398a27bd7cf76a7cfcb71

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

    Filesize

    696B

    MD5

    4e9605159361f93230fef3cc5ad4301c

    SHA1

    64e6d5673487e049cc4e96650b507641062ca1bf

    SHA256

    2abd0c0ae088f6c911f23add50e985c447f1c62c8a45f848698b08d6e6dd20e7

    SHA512

    5cf02982826cc6e08ea33c4ce5d186ad4277493480cf08c2df56a7deea87e58a6df3a95097c96409a89317528933e0999d4ccddc2403024bd04b6e1c312f42fe

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

    Filesize

    1.1MB

    MD5

    5858196fbaeead037ea6e9c4ab62ab10

    SHA1

    543cb9047ecfd021ee83884ea840bb958fcca4e5

    SHA256

    caeccc62f5f0f2bf389948848bfb66cacc9ebbc8991f92f6781dc6d6de1c7353

    SHA512

    99a374a6edd744fa84acc056c035540e2e72105208e3ca61115e5bc4acd94bd9e1f0336ddebbd2aec6a28458b2b454dee8d3c8be0690f68d259c634d70e6b484

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

    Filesize

    1.1MB

    MD5

    adc21714a4a1d8bdf33658cd6ad2b397

    SHA1

    feb16cc031692882d36ea6126fdb04a34dde77f2

    SHA256

    81add9c8fe7caeb7e81be1f6bd7b65660aef4baa9cdff9739138ea2c0e1e3116

    SHA512

    c800039a3145ecb262ea4f92a8742cb39a22ad1923c357ce8fc1eb2f02bfd023bc17af6c7d51baad817a224e7aa88ea511fa398f73a14a9ae5bc4cf2847d50a1

  • memory/4076-0-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/4076-9-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/4984-12-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/4984-23-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/5740-27-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/5740-28-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB

  • memory/5800-29-0x0000000000400000-0x000000000055F000-memory.dmp

    Filesize

    1.4MB