Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2024 01:12

General

  • Target

    Velocity Spoofer.exe

  • Size

    19.7MB

  • MD5

    6cb66ac3e7d224dcf60fce2902f50d4b

  • SHA1

    2bf70cf93d9d6ac13916c2affb610f2c6a885764

  • SHA256

    dd2f3d7118883fd2d37095ff4abf738f99a23e801935671a56a85594aa6ceb04

  • SHA512

    1ad4eb84196ff724f715b7338e08c1591fdcb28ddf0786e42cf02fcdcab05cd941e3b0bf43f39705f865ddf77dd9a2c82625441008fb5cd7b890b2bc94f73b39

  • SSDEEP

    393216:l4qMf3RuoaX5L7nFv2TGIlkeBqkRbfxL9tMtbmE/WUnwbZSDUX:lPMvRU1rl+GxeBqkltMtV/WUnwbZ1

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 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 IoCs
  • Themida packer 4 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 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • Program crash 1 IoCs
  • Scheduled Task/Job: Scheduled Task 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 12 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Velocity Spoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\Velocity Spoofer.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • \??\c:\users\admin\appdata\local\temp\velocity spoofer.exe 
      "c:\users\admin\appdata\local\temp\velocity spoofer.exe "
      2⤵
      • 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 behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 572
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2824
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2104
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2956
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2904
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1312
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2780
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:15 /f
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2372
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:16 /f
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:844
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 01:17 /f
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2968
        • C:\Windows\Explorer.exe
          C:\Windows\Explorer.exe
          4⤵
            PID:1556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      135KB

      MD5

      ff2355e596191ae0c2df24228a37a845

      SHA1

      89d826ccf6f1757ac99bcf589e736ff317e00d51

      SHA256

      bd7b2a2d25af634f30c1d63d147a2d031c008b8687e5bf44220908771b68f8c4

      SHA512

      b1b9c28382444868356886c3f5b1d5373e6d3e617b053fcb13d4054e1e916bc542246225cad430dbed03d5a409777d9f1beb7b9f168af42ad3ffb8329e88fc75

    • C:\Windows\Resources\Themes\icsys.icn.exe

      Filesize

      135KB

      MD5

      fcea7592f5a6d8c6e5cfd07fab4864dd

      SHA1

      ce01fc7bb1adce3b8d4716a37f2b541b264681e1

      SHA256

      f0346017cd86cc770065be85c7f959f151d2c1e4e80a9b26cd33831d9fa0facb

      SHA512

      2851bf5691436af51f9070761fc2c976ee5d4de683efee7d2020284aec93d83d99a495ef9b66c75f7ce7f9e37289c083be408c50133434a1736994d8147929a7

    • C:\Windows\Resources\svchost.exe

      Filesize

      135KB

      MD5

      cb82c6fdd7172e7fbea35a8e74cfcd0e

      SHA1

      9a9e7134960f204070e8e06e20a0ebbb54f8961c

      SHA256

      d83fa423022e02b7c46f851a6a4dadec9a2341653f042d08003fc4c057fdb7a4

      SHA512

      9a3e03956a8536b7e4980b22345b9e12191f96dd5a7b8ebe162c44657ff857d7e571e44787b17467858c81b7bcff10ee93dfb577ca337ec9bb4a0583053c8692

    • \??\c:\windows\resources\spoolsv.exe

      Filesize

      135KB

      MD5

      837cdb0279e7f43ebcc7d8f5bbd909b4

      SHA1

      d242cc8e436b054acfbeb4891b23e129b06c3510

      SHA256

      7b45528530e5a59135ab261cba4a2d7a13d9ab1dcbae861c3a2a5096a6a8def9

      SHA512

      8597199f86de680de5d7ddde1f2e5f616c8ea46044d04ea8d2ecf434606b8bff3d673521bb319138a0cc877de6cc3c9f7a702ea43db365199234aca6d31cd2c0

    • \Users\Admin\AppData\Local\Temp\velocity spoofer.exe 

      Filesize

      19.6MB

      MD5

      0043cb93d8ff5d31698fc8682905ed21

      SHA1

      91579a84f56c6850e9e996508f86cccccbca6744

      SHA256

      e1b9f69a162f2d05059269bc8da64c6f1d1f799e8da5010545b2f490f6a370b4

      SHA512

      d61683d0d72403e6d88b8e678c2b3834790611a587a4b7f043d0ddec9619c03aa9293afd16f71a442133ccb793fa0fe5975066a1f0817d19b835683b472a9471

    • memory/1312-88-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1312-89-0x00000000005B0000-0x00000000005CF000-memory.dmp

      Filesize

      124KB

    • memory/2104-97-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2104-59-0x00000000003B0000-0x00000000003CF000-memory.dmp

      Filesize

      124KB

    • memory/2112-26-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-36-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-16-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-15-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-12-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-23-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-30-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-33-0x0000000000400000-0x0000000001D1E000-memory.dmp

      Filesize

      25.1MB

    • memory/2112-32-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-31-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-29-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-28-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-27-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-11-0x0000000076901000-0x0000000076902000-memory.dmp

      Filesize

      4KB

    • memory/2112-25-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-24-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-37-0x0000000000400000-0x0000000001D1E000-memory.dmp

      Filesize

      25.1MB

    • memory/2112-17-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-35-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-34-0x0000000000400000-0x0000000001D1E000-memory.dmp

      Filesize

      25.1MB

    • memory/2112-19-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-14-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-20-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-21-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-64-0x0000000000400000-0x0000000001D1E000-memory.dmp

      Filesize

      25.1MB

    • memory/2112-18-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-69-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2112-13-0x00000000768F0000-0x0000000076A00000-memory.dmp

      Filesize

      1.1MB

    • memory/2384-47-0x00000000003C0000-0x00000000003DF000-memory.dmp

      Filesize

      124KB

    • memory/2384-10-0x0000000002D60000-0x000000000467E000-memory.dmp

      Filesize

      25.1MB

    • memory/2384-98-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2384-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2780-95-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2904-78-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2904-91-0x0000000000310000-0x000000000032F000-memory.dmp

      Filesize

      124KB

    • memory/2904-96-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB