Analysis

  • max time kernel
    135s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/12/2024, 22:15

General

  • Target
    https://gofile.io/d/Dmq7NE
  • Sample241217-16feaaznet

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Nanocore family
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

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

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 46 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://gofile.io/d/Dmq7NE
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1968
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffa781f3cb8,0x7ffa781f3cc8,0x7ffa781f3cd8
      2⤵
        PID:3396
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1844 /prefetch:2
        2⤵
          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=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2392 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4324
        • 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=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2756 /prefetch:8
          2⤵
            PID:3776
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
            2⤵
              PID:4032
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3312 /prefetch:1
              2⤵
                PID:1040
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3848 /prefetch:1
                2⤵
                  PID:3732
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5024 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1896
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5044 /prefetch:1
                  2⤵
                    PID:2604
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5064 /prefetch:1
                    2⤵
                      PID:1736
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4716 /prefetch:1
                      2⤵
                        PID:2020
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5356 /prefetch:1
                        2⤵
                          PID:1876
                        • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3484 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1508
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5172 /prefetch:1
                          2⤵
                            PID:1440
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5616 /prefetch:1
                            2⤵
                              PID:844
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5856 /prefetch:8
                              2⤵
                                PID:232
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1864,12958053884625449315,10952887486397473203,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5792 /prefetch:8
                                2⤵
                                • Subvert Trust Controls: Mark-of-the-Web Bypass
                                • NTFS ADS
                                • Suspicious behavior: EnumeratesProcesses
                                PID:5016
                              • C:\Users\Admin\Downloads\XtasyExecutorV1.0.exe
                                "C:\Users\Admin\Downloads\XtasyExecutorV1.0.exe"
                                2⤵
                                • Executes dropped EXE
                                • Adds Run key to start application
                                • Checks whether UAC is enabled
                                • Drops file in Program Files directory
                                • System Location Discovery: System Language Discovery
                                • NTFS ADS
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious behavior: GetForegroundWindowSpam
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3736
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4744
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4984
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:1432
                                  • C:\Windows\System32\cmd.exe
                                    "C:\Windows\System32\cmd.exe"
                                    1⤵
                                      PID:3792
                                      • C:\Windows\system32\Taskmgr.exe
                                        taskmgr
                                        2⤵
                                        • Checks SCSI registry key(s)
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of FindShellTrayWindow
                                        • Suspicious use of SendNotifyMessage
                                        PID:1832

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 53d69c9cc3c8aaf2c8b58ea6a2aa47c49c9ec11167dd9414cd9f4192f9978724
                                          • MD5 SHA1 SHA512

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 cbd58fa358e4b1851c3da2d279023c29eba66fb4d438c6e87e7ce5169ffb910e
                                          • MD5 SHA1 SHA512

                                          the-real-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                          • Size 144B
                                          • SHA256 86b90e3a2f2756a15f9ff7d0845414143606ac1905b3925343b46ad034c15823
                                          • MD5 SHA1 SHA512

                                          Network Persistent State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                          • Size 391B
                                          • SHA256 3f28f1593628cfb46518b9252683e3a8b0bfb921021be4c6ae413f114ccbb517
                                          • MD5 SHA1 SHA512

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 a84ceb2aa8bc8eb351740df9f86e3996c724e6200371f7b7dce54bd2fc3cb1a2
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 5KB
                                          • SHA256 30e9601752503e10090b1952ca8d59afd6f9f315cd1f6ba47fe93111c22431ed
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 ef55630fe4605fb269624c9414390e6e8d56cee798b3214d290468863d7387f3
                                          • MD5 SHA1 SHA512 SSDEEP

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                          • Size 16B
                                          • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                          • MD5 SHA1 SHA512

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 11KB
                                          • SHA256 b629e2db15099b3b445242f4d90225ca8bd7e63358dfde33c2bfdbce769ffb67
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 10KB
                                          • SHA256 8f7faa0f70f13d62601de971c5fb01f5d1da3a64fc3718cd4fccb2d35acdc8c2
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 10KB
                                          • SHA256 29f39d08f7e9ad54be79ee48318fe9ffeba4a389f6b1acc2d56683dc5c6c5614
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Unconfirmed 815230.crdownload

                                          • Path C:\Users\Admin\Downloads\Unconfirmed 815230.crdownload
                                          • Size 203KB
                                          • SHA256 2d73aa44284a435c2cc78b6a80a4326f42a28dfa598e5dfd20ba3f612afdcd37
                                          • MD5 SHA1 SHA512 SSDEEP

                                          XtasyExecutorV1.0.exe:Zone.Identifier

                                          • Path C:\Users\Admin\Downloads\XtasyExecutorV1.0.exe:Zone.Identifier
                                          • Size 164B
                                          • SHA256 9cd7919c8db4ac3f6d7df6af05627289698b3c2364e1ae0d012eee9ba8800128
                                          • MD5 SHA1 SHA512

                                          memory/1832-280-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-278-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-279-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-290-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-289-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-288-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-287-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-286-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-285-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp

                                          memory/1832-284-0x00000267D8ED0000-0x00000267D8ED1000-memory.dmp