Analysis

  • max time kernel
    195s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2022, 23:47

General

  • Target
    87789c597728e9738862ee3441c2f29a8c6f66e9da6bbb3c7eaab55071cff321.exe
  • Size 877KB
  • Sample221125-3tapdaff79
  • SHA256 87789c597728e9738862ee3441c2f29a8c6f66e9da6bbb3c7eaab55071cff321
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 6 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 48 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87789c597728e9738862ee3441c2f29a8c6f66e9da6bbb3c7eaab55071cff321.exe
    "C:\Users\Admin\AppData\Local\Temp\87789c597728e9738862ee3441c2f29a8c6f66e9da6bbb3c7eaab55071cff321.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\PRo\9.9.exe
      "C:\PRo\9.9.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3192
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:2512
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4500
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4500 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1928

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          9.9.exe

          • Path C:\PRo\9.9.exe
          • Size 512KB
          • SHA256 540b612713c0d209751b8c79276db6b6f6fdc60a3b2dcbb94cb51ad13927c508
          • MD5 SHA1 SHA512 SSDEEP

          9.9.exe

          • Path C:\PRo\9.9.exe
          • Size 512KB
          • SHA256 540b612713c0d209751b8c79276db6b6f6fdc60a3b2dcbb94cb51ad13927c508
          • MD5 SHA1 SHA512 SSDEEP

          24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
          • Size 1KB
          • SHA256 cfcf1e1f5ac6761b8228ccbaf14fa5695361c5ebef8c30cf54564a3fdf6a4347
          • MD5 SHA1 SHA512

          7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Size 471B
          • SHA256 edaf1fb1f6ca2a0caf5f4d85b3f13507bd5df4971fa9ea8a6e08c1227f1ec667
          • MD5 SHA1 SHA512

          CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBA
          • Size 724B
          • SHA256 287bc80237497eb8681dbf136a56cc3870dd5bd12d48051525a280ae62aab413
          • MD5 SHA1 SHA512

          24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
          • Size 410B
          • SHA256 a7afcabd247ac3da4ac24093df8f0981ad144a8c30e0cf922d0fded32817c6d5
          • MD5 SHA1 SHA512

          7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
          • Size 404B
          • SHA256 7277ca63fc3df577bede3a58221b093a7ff1d4519709f7fafb69a73a7751417c
          • MD5 SHA1 SHA512

          CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBA

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBA
          • Size 392B
          • SHA256 5b0207a06a11485a47955827c0e0f662f55f13fb562afcd6ccfeb2f78148a7b1
          • MD5 SHA1 SHA512

          imagestore.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\ru1r3yf\imagestore.dat
          • Size 1KB
          • SHA256 8f077496cda966714d972419811d7e13fc3f2eb5c08d68095fdc4729c22d577e
          • MD5 SHA1 SHA512

          memory/3192-135-0x0000000000400000-0x000000000050B000-memory.dmp

          memory/3192-140-0x0000000000400000-0x000000000050B000-memory.dmp

          memory/3192-137-0x0000000000400000-0x000000000050B000-memory.dmp

          memory/3192-136-0x0000000000400000-0x000000000050B000-memory.dmp