Analysis

  • max time kernel
    55s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 13:51

General

  • Target

    notepad.exe

  • Size

    7.7MB

  • MD5

    308076a3c4302e9b4222c8acbf16d4df

  • SHA1

    c5859a06ae6a5f39477ecee29bddd29d85665e92

  • SHA256

    045eeb206a8c81482668ca5179c38f8378d077eedcc26ea50d70fa217e358f86

  • SHA512

    8bd107af9200258267928949766216800e7c716d87ceb3798ad8b0c3eff8e266bc5a1f517306fc2d0891267dceb1592fce4693f8dcc2a7e0a858a15b0981cfa7

  • SSDEEP

    98304:BVh/iB2pC6XG4HNkq5UKPhc24Y1/QPldHVTgPNhV0ADXqQgpkWDRIZVMnu0jjD89:BcUG4raKu24YY7HVT4hV0AD6QgqKRgX

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 61 IoCs
  • Suspicious use of SendNotifyMessage 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\notepad.exe
    "C:\Users\Admin\AppData\Local\Temp\notepad.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:2544
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4404
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4616

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\d3645f78-34e2-43a5-8206-57f8eb79c42a\AgileDotNetRT64.dll

      Filesize

      4.2MB

      MD5

      05b012457488a95a05d0541e0470d392

      SHA1

      74f541d6a8365508c794ef7b4ac7c297457f9ce3

      SHA256

      1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d

      SHA512

      6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6

    • memory/2544-17-0x00007FF82AE10000-0x00007FF82B8D1000-memory.dmp

      Filesize

      10.8MB

    • memory/2544-14-0x000000001C270000-0x000000001C316000-memory.dmp

      Filesize

      664KB

    • memory/2544-1-0x0000000000F40000-0x00000000016F2000-memory.dmp

      Filesize

      7.7MB

    • memory/2544-9-0x00007FF827C80000-0x00007FF828804000-memory.dmp

      Filesize

      11.5MB

    • memory/2544-10-0x00007FF82AE10000-0x00007FF82B8D1000-memory.dmp

      Filesize

      10.8MB

    • memory/2544-12-0x00007FF827C80000-0x00007FF828804000-memory.dmp

      Filesize

      11.5MB

    • memory/2544-13-0x00007FF839F70000-0x00007FF83A0BE000-memory.dmp

      Filesize

      1.3MB

    • memory/2544-16-0x00007FF827C80000-0x00007FF828804000-memory.dmp

      Filesize

      11.5MB

    • memory/2544-0-0x00007FF82AE13000-0x00007FF82AE15000-memory.dmp

      Filesize

      8KB

    • memory/2544-8-0x00007FF82AE10000-0x00007FF82B8D1000-memory.dmp

      Filesize

      10.8MB

    • memory/4404-26-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-18-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-19-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-30-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-29-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-28-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-27-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-24-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-25-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB

    • memory/4404-20-0x00000211BC330000-0x00000211BC331000-memory.dmp

      Filesize

      4KB