Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 16:19

General

  • Target
    $TEMPImg/FVM.exe
  • Size 1.4MB
  • Sample250121-tsrf3asphj
  • SHA256 24f96b0e81b026f81a6d7a3f4c86eb0e4cd86f2e003324c374f69d23445e848e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 33 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 6 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies registry class 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMPImg\FVM.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMPImg\FVM.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Users\Admin\AppData\Local\Temp\GLBD745.tmp
      C:\Users\Admin\AppData\Local\Temp\GLBD745.tmp 4736 C:\Users\Admin\AppData\Local\Temp\$TEMPImg\FVM.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\PROGRA~1\INTERN~1\iexplore.exe
        "C:\PROGRA~1\INTERN~1\iexplore.exe" http://freevideomaster.OurToolbar.com/SetupFinish
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2480
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2480 CREDAT:17410 /prefetch:2
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1184
          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\BHO\ie_to_edge_stub.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\BHO\ie_to_edge_stub.exe" --from-ie-to-edge=3 --ie-frame-hwnd=d0052
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3428
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --from-ie-to-edge=3 --ie-frame-hwnd=d0052
              6⤵
              • Enumerates system info in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4544
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffbe84846f8,0x7ffbe8484708,0x7ffbe8484718
                7⤵
                  PID:4748
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2220,4978390994599586206,11740977764251376519,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2232 /prefetch:2
                  7⤵
                    PID:2712
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2220,4978390994599586206,11740977764251376519,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2284 /prefetch:3
                    7⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1688
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2220,4978390994599586206,11740977764251376519,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2776 /prefetch:8
                    7⤵
                      PID:3948
        • C:\Windows\System32\CompPkgSrv.exe
          C:\Windows\System32\CompPkgSrv.exe -Embedding
          1⤵
            PID:904
          • C:\Windows\System32\CompPkgSrv.exe
            C:\Windows\System32\CompPkgSrv.exe -Embedding
            1⤵
              PID:988

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  FREEVI~1.EXE

                  • Path C:\PROGRA~2\FREEVI~1\FREEVI~1.EXE
                  • Size 37KB
                  • SHA256 693bd052006f539de10122c189642d9d2ee959d622f48c583852ce86b689f370
                  • MD5 SHA1 SHA512 SSDEEP

                  UNWISE.EXE

                  • Path C:\PROGRA~2\FREEVI~1\UNWISE.EXE
                  • Size 149KB
                  • SHA256 69b9dd6160524e0eb44905224f5b1747dfce43243c00c11c87f5c2ec55102876
                  • MD5 SHA1 SHA512 SSDEEP

                  tbfree.dll

                  • Path C:\PROGRA~2\FREEVI~1\tbfree.dll
                  • Size 2.0MB
                  • SHA256 c5a1a7cd654ed902e7d98c6a94bf7d55fa6f206c2367a02096016ed051cce307
                  • MD5 SHA1 SHA512 SSDEEP

                  toolbar.cfg

                  • Path C:\PROGRA~2\FREEVI~1\toolbar.cfg
                  • Size 27B
                  • SHA256 e7997db5ad40e3f242d1e9a6709aa73442c1ae37e38d9f0ff8bb28610f1be174
                  • MD5 SHA1 SHA512

                  Alert.dll

                  • Path C:\Program Files (x86)\Conduit\Community Alerts\Alert.dll
                  • Size 472KB
                  • SHA256 aa966e8b93b96dad34ebad419a50d0aa2c69871560b43442a5eba54c1f6d996f
                  • MD5 SHA1 SHA512 SSDEEP

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 471B
                  • SHA256 b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328
                  • MD5 SHA1 SHA512

                  E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
                  • Size 471B
                  • SHA256 8432920aae7dd6cdc1a0faf4aae7cffc8042da0df9b634e06ab8c0651921630d
                  • MD5 SHA1 SHA512

                  7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                  • Size 404B
                  • SHA256 06e894b9f02fb21e7e55b3dc8dbe73bede7b72f601107aa384608904bac8ecaa
                  • MD5 SHA1 SHA512

                  E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
                  • Size 412B
                  • SHA256 3b5f188698a72f202b897bb7bb8269d1111dd56b925014aa3d04765265f9b98b
                  • MD5 SHA1 SHA512

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                  • Size 152B
                  • SHA256 1e1ad9dce141f5f17ea07c7e9c2a65e707c9943f172b9134b0daf9eef25f0dc9
                  • MD5 SHA1 SHA512

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                  • Size 5KB
                  • SHA256 1eba5937a8e9811219c6caef6b51a34d9bda068dd5f4343ad2db32c1e215ee51
                  • MD5 SHA1 SHA512 SSDEEP

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                  • Size 5KB
                  • SHA256 1209387d3098c1272945c439294c5d7d97ea4b17b0f05ef7bae3f031fc6e6af7
                  • MD5 SHA1 SHA512 SSDEEP

                  Preferences

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                  • Size 5KB
                  • SHA256 fc64d779a70ec1cf8e1b1dad656dcc6818162d08edb4b49e4f674a2caac08f9d
                  • MD5 SHA1 SHA512 SSDEEP

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                  • Size 10KB
                  • SHA256 347139a6d7d7de3329284c6675a66f75726c59ab67578f4b5ecb95a73efca106
                  • MD5 SHA1 SHA512 SSDEEP

                  suggestions[1].en-US

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US
                  • Size 17KB
                  • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
                  • MD5 SHA1 SHA512 SSDEEP

                  v1[1].xml

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H4VCA4X1\v1[1].xml
                  • Size 742KB
                  • SHA256 075f1f4ec57dcfdbb2f1b60ffbf9efe0286216c43d0a65f82eae86af66b36127
                  • MD5 SHA1 SHA512 SSDEEP

                  GLBD745.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\GLBD745.tmp
                  • Size 70KB
                  • SHA256 bad868f9c97c00136b9013977c591af14f94361113ce11b04e183ec2358e091b
                  • MD5 SHA1 SHA512 SSDEEP

                  GLCD83F.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\GLCD83F.tmp
                  • Size 161KB
                  • SHA256 a87f19f9fee475d2b2e82acfb4589be6d816b613064cd06826e1d4c147beb50a
                  • MD5 SHA1 SHA512 SSDEEP

                  GLFE41A.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\GLFE41A.tmp
                  • Size 10KB
                  • SHA256 166d7156142f3ee09fa69eb617dd22e4fd248aa80a1ac08767db6ad99a2705c1
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/2356-65-0x00000000043E0000-0x000000000445B000-memory.dmp

                  memory/2356-54-0x00000000048A0000-0x0000000004AA2000-memory.dmp

                  memory/2480-148-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-164-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-138-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-140-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-134-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-142-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-146-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-151-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-150-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-149-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-135-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-144-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-152-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-153-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-154-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-155-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-160-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-161-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-157-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-162-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-163-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-141-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-169-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-139-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-184-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-186-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-185-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-189-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-187-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-183-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-137-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-132-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-128-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-123-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-231-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-235-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-122-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-124-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-125-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-127-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-126-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-120-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp

                  memory/2480-119-0x00007FFBF7A30000-0x00007FFBF7A9E000-memory.dmp