Analysis

  • max time kernel
    150s
  • 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
    16-06-2024 21:14

General

  • Target

    501d237fd04daa729fd5f7bdad701ae7d720855db59165824ab00facedab251c.exe

  • Size

    2.6MB

  • MD5

    9bbd5c8e035c464c64c46e376878fc15

  • SHA1

    9e09c3f7c4cb3bf9feebceb4d31d21a351e2d272

  • SHA256

    501d237fd04daa729fd5f7bdad701ae7d720855db59165824ab00facedab251c

  • SHA512

    669711508e62584b8466cd66297a28cdf11676b611d3db7a3a235329785f990571f7499e12c48c1af738fa8eb13d7c291bbfc9513070c1d0ad18d98938fd06e3

  • SSDEEP

    49152:lS5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/YS:lS5G4DOT5JGIVzh/5aZX0zgd0IZGpwB

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Detects executables packed with Themida 16 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • Checks BIOS information in registry 2 TTPs 10 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 4 IoCs
  • Themida packer 16 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 5 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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\501d237fd04daa729fd5f7bdad701ae7d720855db59165824ab00facedab251c.exe
    "C:\Users\Admin\AppData\Local\Temp\501d237fd04daa729fd5f7bdad701ae7d720855db59165824ab00facedab251c.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2592
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4916
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4472
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4456
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:3340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.6MB

    MD5

    cb96f0f358f3b0f12fa055c26810e1ff

    SHA1

    8fd060fe269c6be447263552a8e0b2bf99a1d31b

    SHA256

    305dc6b8dbe5f9c5d068c440c9231565f8e938031a4b3cbaa61201d23dd2f8bd

    SHA512

    62f22c884504d1ac86b4e41a497a3975cd55c7ede1e66c3934ac95bb505bab4d8ce6df063d57a74344ed155cf3d2e486c79c30008fa7c5a9d6bdabc224988b54

  • C:\Windows\Resources\spoolsv.exe

    Filesize

    2.6MB

    MD5

    a3eba5e41287adfca86a3eaffea19beb

    SHA1

    12aff5bd5b150e9c73baa6cf57a5974e513a1e02

    SHA256

    266be4375d2f3241930cfb2633e2f578f22a9d1d01e8dfdc243df3a49b52a18f

    SHA512

    9f86aec53f3190aa1490a3a6d32f339567d4f0374f166827e3c6126def4d3133c84056d38cf646f4d8bfef6a6cabd4599947f6b723af053187caf03203268618

  • C:\Windows\Resources\svchost.exe

    Filesize

    2.6MB

    MD5

    e87c00dbd4229cc31e9013a2d421d17b

    SHA1

    09b79925b25d284b71b8d5d8499727522363da54

    SHA256

    cfb335858ea1bbb52f88151e5bdef7072457fc3223b8dbae100874b9864e5a5c

    SHA512

    a988e591eb5cd266dcb222ea7823c1ee248638e5e5b655a77a81952861f7a591928abf434faaa4d3ef8c1ea9d39bd7cee8eb39ec46126ea4dd814548102c2fbd

  • memory/2592-1-0x0000000077954000-0x0000000077956000-memory.dmp

    Filesize

    8KB

  • memory/2592-41-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/2592-0-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/3340-33-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/3340-38-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4456-28-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4456-43-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4456-53-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4456-63-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4472-19-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4472-40-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4916-10-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4916-42-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

  • memory/4916-54-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB