Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 19:18

General

  • Target

    06f1f10c7e0dffeb9ef08ed80ba8da73bfdb0aa1a90acbeca3cc5ac46c576c54.exe

  • Size

    2.6MB

  • MD5

    7e836a7d8467c672e61bdb89220e9d82

  • SHA1

    ac43f7879f0fdc8d160654073289468e1b270eb7

  • SHA256

    06f1f10c7e0dffeb9ef08ed80ba8da73bfdb0aa1a90acbeca3cc5ac46c576c54

  • SHA512

    876397e6ab0a02397c7142f4570055137a737bf66bab6311d8aa2c17fc52bb7de4b368b508ca3fbd536f11ea921f699e3d7c9483ca0fe5bb6723d1332dc58beb

  • SSDEEP

    49152:ly5IvAG44oOCdcSzNIJG70V6Do4yV/5mc5aNZJ350zg5bEJ60IZGnpw/YW:ly5G4DOT5JGIVzh/5aZX0zgd0IZGpwR

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\06f1f10c7e0dffeb9ef08ed80ba8da73bfdb0aa1a90acbeca3cc5ac46c576c54.exe
    "C:\Users\Admin\AppData\Local\Temp\06f1f10c7e0dffeb9ef08ed80ba8da73bfdb0aa1a90acbeca3cc5ac46c576c54.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:468
    • \??\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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4500
      • \??\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
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1052
        • \??\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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3652
          • \??\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
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:2292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          2.6MB

          MD5

          e0ef7489d12eb469be18bc11fcbcc08d

          SHA1

          74e1422c596a53ee384c95a3067ac1bd5146c0c9

          SHA256

          a6e7cbed9f795b3fbdb6eb9139732f24a83cf8d2d3d32b3d8232ca2ab949ec9a

          SHA512

          64dbe15f456683998d345cda03f6f154b39ff8ed83907cc4244ce5e1f5842da4e94c733a1d71c87c1827d798339f13edc2ab2a0897b717f9e8eaa6c8c4bf3d87

        • C:\Windows\Resources\spoolsv.exe

          Filesize

          2.6MB

          MD5

          f5efa412b988ecd676bce4cb16b01f81

          SHA1

          b497fae6ac1278faa7a0e0ff62f7dc2025ce2bc8

          SHA256

          93ea6a8b09fecbca6638d02c4ecd7a209fd31e26d3b24263ff79e6db86c192b6

          SHA512

          fd2c659790dc86ca463470ae357471baecd9cd95fa7beb390c45bd8c5a09bfce99b0ce63f7a9048f98c55fbccb693e608fdca5b7cae11a5047087642a6c760af

        • C:\Windows\Resources\svchost.exe

          Filesize

          2.6MB

          MD5

          7a7d28c6aae5b9512d2608df802d0e20

          SHA1

          e056df20e754493d3ca6196125e231dd30c5956b

          SHA256

          f33869ab0e9ba8868d74742ef752b88f052c86b5b0c68f2124ad277333558d95

          SHA512

          aba63c5dc8f02a1e006a3c1c42a4fcd1f91e7cd8e1ca3650d02346c93eed4ed26dab645e97a5fd782524742f640674402aa76ecba814a68c373343767fa612a0

        • memory/468-0-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/468-1-0x0000000077354000-0x0000000077356000-memory.dmp

          Filesize

          8KB

        • memory/468-42-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/1052-41-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/1052-19-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/2292-33-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/2292-38-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/3652-28-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/3652-45-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/4500-10-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/4500-43-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/4500-53-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/4500-57-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB

        • memory/4500-67-0x0000000000400000-0x0000000000A13000-memory.dmp

          Filesize

          6.1MB