Analysis

  • max time kernel
    188s
  • max time network
    199s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/06/2024, 18:14

General

  • Target
    Crown.zip
  • Size 223KB
  • Sample240615-wvax7sterj
  • SHA256 7234b080bdcea32573730ff1a6f7e17985ccd2d2743b3b9a4da5d30c0cfda846
  • MD5 SHA1 SHA512 SSDEEP
Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 8 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 20 IoCs
  • Suspicious use of SendNotifyMessage 19 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Crown.zip
    1⤵
      PID:4676
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3604
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4960
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          2⤵
          • Checks processor information in registry
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4968
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.0.1017171767\145469807" -parentBuildID 20221007134813 -prefsHandle 1704 -prefMapHandle 1692 -prefsLen 20845 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a7ec0eae-dfa4-435e-a137-3d54479a2cfc} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 1796 17eaeee9458 gpu
            3⤵
              PID:3888
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.1.1703550426\509679641" -parentBuildID 20221007134813 -prefsHandle 2140 -prefMapHandle 2136 -prefsLen 20926 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6535c8bc-165e-42de-9d20-c2458fad5437} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 2152 17ea3e72e58 socket
              3⤵
              • Checks processor information in registry
              PID:68
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.2.655288823\512293108" -childID 1 -isForBrowser -prefsHandle 2812 -prefMapHandle 2732 -prefsLen 21029 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {bf8e6e71-b5da-4b40-8c6c-8e9b5de2fb95} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 3020 17eb2dbee58 tab
              3⤵
                PID:4440
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.3.498600146\323715894" -childID 2 -isForBrowser -prefsHandle 3416 -prefMapHandle 3412 -prefsLen 26214 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7119adf5-b09e-4a82-b2f0-61a181d16a05} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 3448 17eb3e45b58 tab
                3⤵
                  PID:3872
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.4.784581160\1661415073" -childID 3 -isForBrowser -prefsHandle 4276 -prefMapHandle 4272 -prefsLen 26349 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {dccb3bee-7bfc-4751-89ad-65f5a847f16f} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 4296 17eb42dbd58 tab
                  3⤵
                    PID:4956
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.5.637901335\1589538078" -childID 4 -isForBrowser -prefsHandle 5044 -prefMapHandle 5048 -prefsLen 26354 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9830f4e4-5db0-4355-8261-3a615474489d} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 5028 17eb16a2258 tab
                    3⤵
                      PID:3200
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.6.1468504671\510228535" -childID 5 -isForBrowser -prefsHandle 4500 -prefMapHandle 4296 -prefsLen 26354 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {dc0a9c6d-b006-4367-a766-b3766b17b583} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 5036 17eb5694e58 tab
                      3⤵
                        PID:2956
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.7.920825858\807438362" -childID 6 -isForBrowser -prefsHandle 5288 -prefMapHandle 5292 -prefsLen 26354 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {92e4c40f-fc1e-442d-b5b3-44d24b6a997f} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 5280 17eb5695d58 tab
                        3⤵
                          PID:4744
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4968.8.1745827905\2113365805" -childID 7 -isForBrowser -prefsHandle 4560 -prefMapHandle 5320 -prefsLen 26354 -prefMapSize 233444 -jsInitHandle 1376 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0479972a-4e4d-47b6-a3aa-6dffee42f5d6} 4968 "\\.\pipe\gecko-crash-server-pipe.4968" 5556 17eb6d7a858 tab
                          3⤵
                            PID:5108

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            activity-stream.discovery_stream.json.tmp

                            • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2b7acdhd.default-release\activity-stream.discovery_stream.json.tmp
                            • Size 26KB
                            • SHA256 d987ecbfc2bfd9e78d00d79d399848323c7a7726f8220508ef94541f250575d4
                            • MD5 SHA1 SHA512 SSDEEP

                            activity-stream.discovery_stream.json.tmp

                            • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2b7acdhd.default-release\activity-stream.discovery_stream.json.tmp
                            • Size 27KB
                            • SHA256 1ed9d0ea158b8d2711dfd428aefc7d78cb82aa948551f0296e63854f5b323c8d
                            • MD5 SHA1 SHA512 SSDEEP

                            97E21079D4338ED644D10F3CF8B6CCFD6F24DA5D

                            • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2b7acdhd.default-release\cache2\entries\97E21079D4338ED644D10F3CF8B6CCFD6F24DA5D
                            • Size 60KB
                            • SHA256 4a88ab2290281aef997bea28d270e48cff57f26cdb3c67a1925117d952825969
                            • MD5 SHA1 SHA512 SSDEEP

                            asrouter.ftl

                            • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\2b7acdhd.default-release\settings\main\ms-language-packs\browser\newtab\asrouter.ftl
                            • Size 7KB
                            • SHA256 0ec0f16f92d876a9c1140d4c11e2b346a9292984d9a854360e54e99fdcd99cc0
                            • MD5 SHA1 SHA512 SSDEEP

                            tmpaddon

                            • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                            • Size 442KB
                            • SHA256 a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
                            • MD5 SHA1 SHA512 SSDEEP

                            tmpaddon-1

                            • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                            • Size 8.0MB
                            • SHA256 345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
                            • MD5 SHA1 SHA512 SSDEEP

                            data.safe.bin

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\datareporting\glean\db\data.safe.bin
                            • Size 2KB
                            • SHA256 45eddf3886961486170693360b41c6a031a4d261a86b480ee186380f01576462
                            • MD5 SHA1 SHA512

                            6bb823bd-441a-4884-88ee-fcceca7fa29e

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\datareporting\glean\pending_pings\6bb823bd-441a-4884-88ee-fcceca7fa29e
                            • Size 11KB
                            • SHA256 8af8b4fce46f11f85acd09d75077c733eeff768f120ef402a62949d65925256c
                            • MD5 SHA1 SHA512 SSDEEP

                            c64e7713-bc62-4b80-86a6-c74a843709c8

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\datareporting\glean\pending_pings\c64e7713-bc62-4b80-86a6-c74a843709c8
                            • Size 746B
                            • SHA256 0ba5a967722fb917a7dbfcc95eeb0919721d95eb8a81bac07ce0bbbc4f50d49d
                            • MD5 SHA1 SHA512

                            gmpopenh264.dll

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
                            • Size 997KB
                            • SHA256 1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
                            • MD5 SHA1 SHA512 SSDEEP

                            gmpopenh264.info

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
                            • Size 116B
                            • SHA256 f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
                            • MD5 SHA1 SHA512

                            LICENSE.txt

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
                            • Size 479B
                            • SHA256 2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
                            • MD5 SHA1 SHA512

                            manifest.json

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
                            • Size 372B
                            • SHA256 e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
                            • MD5 SHA1 SHA512

                            widevinecdm.dll

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                            • Size 11.8MB
                            • SHA256 8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
                            • MD5 SHA1 SHA512 SSDEEP

                            widevinecdm.dll.lib

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
                            • Size 1KB
                            • SHA256 33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
                            • MD5 SHA1 SHA512

                            widevinecdm.dll.sig

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
                            • Size 1KB
                            • SHA256 68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
                            • MD5 SHA1 SHA512

                            prefs-1.js

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs-1.js
                            • Size 7KB
                            • SHA256 c503ccc9f70990e4b8ce4c007bffa649c0b6c44173bad9b26a36511e17276f98
                            • MD5 SHA1 SHA512 SSDEEP

                            prefs-1.js

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs-1.js
                            • Size 6KB
                            • SHA256 4252eb55cd7e90c1d8252be87060a06fe7b3fe7b7e7a1e840a177966e9d7f7db
                            • MD5 SHA1 SHA512 SSDEEP

                            prefs-1.js

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\prefs-1.js
                            • Size 6KB
                            • SHA256 c6ea98f17e3f7608ee95ee88b636209afa358d56bb8487be655c8bb50c2aaf8a
                            • MD5 SHA1 SHA512 SSDEEP

                            recovery.jsonlz4

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\sessionstore-backups\recovery.jsonlz4
                            • Size 3KB
                            • SHA256 a38f4b8bc01f5f816825ec59e5a630ff32f82a1e033c6019eddf93641fe507b1
                            • MD5 SHA1 SHA512

                            recovery.jsonlz4

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\sessionstore-backups\recovery.jsonlz4
                            • Size 4KB
                            • SHA256 5d93a13953ae4c0dba0411aec8db4f40ece6d5d5e89ed62960b5c59b48115012
                            • MD5 SHA1 SHA512 SSDEEP

                            sessionstore.jsonlz4

                            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\2b7acdhd.default-release\sessionstore.jsonlz4
                            • Size 4KB
                            • SHA256 78a75c86bf09f62de45aa4fbf455c26aee0a835c0bf8bfb5d5604994ba670f92
                            • MD5 SHA1 SHA512 SSDEEP