Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 23:30

General

  • Target

    586ea3ffbc4520655a6766e81a43db00_NeikiAnalytics.exe

  • Size

    2.5MB

  • MD5

    586ea3ffbc4520655a6766e81a43db00

  • SHA1

    53f179721a753049ca76111a5e5d451067e2cb0c

  • SHA256

    1c661c2a242d779c6efa39818ea1b4563629069858cd9d4ee366251c47d1c521

  • SHA512

    61aa659c00bb157a33d1441708a623a72f5d7ce0d3677625e5c42bcc2c63051fffb663e19413fc49d6688467940f4ed9078a926bf8428d86c173f344b62e9fc8

  • SSDEEP

    49152:dxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxU:dxx9NUFkQx753uWuCyyxU

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
  • Loads dropped DLL 4 IoCs
  • Themida packer 17 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
  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\586ea3ffbc4520655a6766e81a43db00_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\586ea3ffbc4520655a6766e81a43db00_NeikiAnalytics.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
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2200
    • \??\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
      • Loads dropped DLL
      • 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:2688
      • \??\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
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2552
        • \??\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
          • Loads dropped DLL
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2572
          • \??\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:2384
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:33 /f
            5⤵
            • Creates scheduled task(s)
            PID:2776
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:34 /f
            5⤵
            • Creates scheduled task(s)
            PID:1776
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:35 /f
            5⤵
            • Creates scheduled task(s)
            PID:2208
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:2616

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Hide Artifacts

    1
    T1564

    Hidden Files and Directories

    1
    T1564.001

    Modify Registry

    2
    T1112

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    2
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Windows\Resources\Themes\explorer.exe
      Filesize

      2.5MB

      MD5

      c28035388ad9949008982a128c190b85

      SHA1

      5b7c2e9e8b425224f0161a23f0746f237c99b481

      SHA256

      cb54d493dfaa219df08832950fc864679656f5a112840c1696afb95afeaccc5e

      SHA512

      233c48fd5c62b815a6094840bc4cd52c3a044ab3c98c1dc04788a31ccfdc349691293e0395e78b22e3edc63de0789426af92ab0ab775a5fc8639fdef9062e7e2

    • \Windows\Resources\spoolsv.exe
      Filesize

      2.5MB

      MD5

      3dfad950af2a6a268db96a733809353f

      SHA1

      e3b8094189cbd4cec24dfbbb43e1dafd94a49459

      SHA256

      c2f0f7470f421b46fb2e0932c7ba76bf3c73551efb8cc754dd132a7429991a91

      SHA512

      c809eb9283e2796626cc677808d34993e486f55516df3c042f5ab8e4fea03f5904318f2a6cbeb461b1e33be3592e052edc080e4797f9b05263beac31b1ad8f41

    • \Windows\Resources\svchost.exe
      Filesize

      2.5MB

      MD5

      5f8ebd4326901fdb48aa79aa3b17ffdd

      SHA1

      9db56e47b05676ed2b135425ab842026b9d821d6

      SHA256

      da7952aa983eb6941983e1c18c562461af17def22c8ce5a4c5f43b67c805b0d5

      SHA512

      b1096c9762d811ebaaef943475b93fab54bcf64e957cd0e487c6b2a8b034fe8305d5db4400091383bec540920ed55cd879d0752743780bb6df405dfdc4f7c1b2

    • memory/2200-43-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2200-1-0x0000000077AA0000-0x0000000077AA2000-memory.dmp
      Filesize

      8KB

    • memory/2200-11-0x0000000003290000-0x000000000389E000-memory.dmp
      Filesize

      6.1MB

    • memory/2200-52-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2200-0-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2200-45-0x0000000003290000-0x000000000389E000-memory.dmp
      Filesize

      6.1MB

    • memory/2384-49-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2384-44-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2552-50-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2552-35-0x00000000032E0000-0x00000000038EE000-memory.dmp
      Filesize

      6.1MB

    • memory/2552-24-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2572-36-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2572-56-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2572-59-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2688-23-0x0000000003210000-0x000000000381E000-memory.dmp
      Filesize

      6.1MB

    • memory/2688-12-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2688-53-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2688-55-0x0000000003210000-0x000000000381E000-memory.dmp
      Filesize

      6.1MB

    • memory/2688-62-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB

    • memory/2688-68-0x0000000000400000-0x0000000000A0E000-memory.dmp
      Filesize

      6.1MB