Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 16:25

General

  • Target

    fix-injector.exe

  • Size

    3.6MB

  • MD5

    c01178fa2626c8d717fde33e03a3876e

  • SHA1

    afee86588501928ae39eec90d6c1d6028f243689

  • SHA256

    18c0bba23af8256a5f9e3de3038555a6a706dddd0c24123c011c1a8aa4d78156

  • SHA512

    233744740883ab71ea7bb8c493db24c062e480f547cf13cd3210a3fa165368f7eb3cf908a6da3f6a5f81fbfe415cdfb03fb1ad38d6ff27ac9e8df417fe7ec7c0

  • SSDEEP

    98304:sdvPB9yZdnrBYwSsHrOfmjSctW70xGtat:uvpMZdnrBhl67m3t

Malware Config

Signatures

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

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Themida packer 12 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 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 22 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fix-injector.exe
    "C:\Users\Admin\AppData\Local\Temp\fix-injector.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:844
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c color 9
        2⤵
          PID:3968
        • C:\Windows\SoftwareDistribution\Download\1fYxY.exe
          "C:\Windows\SoftwareDistribution\Download\1fYxY.exe"
          2⤵
          • Sets service image path in registry
          • Executes dropped EXE
          • Suspicious behavior: LoadsDriver
          • Suspicious use of AdjustPrivilegeToken
          PID:5020
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=2860,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=3940 /prefetch:8
        1⤵
          PID:608
        • 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:4216
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
          1⤵
            PID:3268

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SoftwareDistribution\Download\1fYxY.exe
            Filesize

            100KB

            MD5

            03997b52220aa284bd6da2f39a82b002

            SHA1

            7aa87879a471cbda376914927a3b6b8274a6d642

            SHA256

            7873158c42440a31a986c1472c0982404f54325ccd0c8b3a6e63a707277945a2

            SHA512

            e7ccf9300166cb8c3d81153e9675240778a4910b2f503f8c2293c273f42eee6fe0841d66fe0baa91d9355392b06b85008921a75c90969d2b823d2092935efef9

          • memory/4216-26-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-32-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-33-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-34-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-35-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-36-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-31-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-30-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-24-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4216-25-0x000001847FC20000-0x000001847FC21000-memory.dmp
            Filesize

            4KB

          • memory/4636-7-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-22-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-23-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-20-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-19-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-18-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-4-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-0-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-6-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-5-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-3-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-2-0x00007FF6B1040000-0x00007FF6B19C7000-memory.dmp
            Filesize

            9.5MB

          • memory/4636-1-0x00007FFF1EED0000-0x00007FFF1EED2000-memory.dmp
            Filesize

            8KB