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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 00:55

General

  • Target

    c5227b37fb633730ff54db4da6178cca87ec5b84b2446ada8384fbe4a344c5eb.exe

  • Size

    135KB

  • MD5

    80fa50927d648aaf6e91d76720af56cc

  • SHA1

    8c26e72ea27529e3407045e3163b39ba1a777279

  • SHA256

    c5227b37fb633730ff54db4da6178cca87ec5b84b2446ada8384fbe4a344c5eb

  • SHA512

    45427fb5de220ff97bb250fa02c4fdf04c70109ce5a3be6d0647b0577466b47391a2fce0e4b633fb80a736f747b3cb3d78207a82fc12fcfbdf93c65049409ac6

  • SSDEEP

    1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVVKR:UVqoCl/YgjxEufVU0TbTyDDalLKR

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5227b37fb633730ff54db4da6178cca87ec5b84b2446ada8384fbe4a344c5eb.exe
    "C:\Users\Admin\AppData\Local\Temp\c5227b37fb633730ff54db4da6178cca87ec5b84b2446ada8384fbe4a344c5eb.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3564
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3748
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4168
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1412
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Resources\Themes\explorer.exe

    Filesize

    135KB

    MD5

    b977c5be7205715432ae0259150b1d8c

    SHA1

    34fc5da535a8a1a6e5dc6c819a9825833c50fab8

    SHA256

    b527192f4b529410d9598d5bfb882df595d4db5ef20d876e302c39a017b59f67

    SHA512

    dbfa7c6f44f0b2b0a79743e478efd07bb9c9552b23b01785dc8c93bbe24b46b9e278b8f4f629891264cab9747d91635e7b6c2d2d3aba7d268155f3746d7c9c35

  • C:\Windows\Resources\spoolsv.exe

    Filesize

    135KB

    MD5

    deefc69f3092dc4277e9891b0c68405c

    SHA1

    b98c57e525b140487ae02dadadd0661d8b02636c

    SHA256

    8c3a61aa3ad9d5f28ae6df0036584ee30e06ec272d1115ee7e1ad809b2b84c61

    SHA512

    058f18d0c1d2e2dbd940872ce719f893041e76e0710df1369a6dd662f2723d11fd620c1ffaa3c0c064677fd61370e0f8417d2f64443ce5f74b3993cb2e8c4ce8

  • \??\c:\windows\resources\svchost.exe

    Filesize

    135KB

    MD5

    678015a3cfa8880585eedf47426a3324

    SHA1

    79857bbbd14de01e94c851c05c30d3bbd2f7efa6

    SHA256

    3e4829265af42e0c41eb6f6e6be36a72dacf48df43347e92f44350c3ca105d65

    SHA512

    551be0fa41b77bd54888f996629f1beba97677f17fda66ff580cc3d6219619a3554bcfe6b9b0f024af72965122ff137a461e3eb745da8a388b0aa27163ee4c55

  • memory/1412-26-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3136-33-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3564-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3564-35-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4168-34-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB