Analysis

  • max time kernel
    271s
  • max time network
    224s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2024, 15:17

General

  • Target
    LICENSES.chromium.html
  • Size 5.2MB
  • Sample240226-sn7rtahc33
  • SHA256 fcbf6d29363d798b931f4fb0dc95b09c1a44c3ccaf79a9651ab280a8562e82b6
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 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:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\LICENSES.chromium.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\LICENSES.chromium.html
      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:4068
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.0.2058753433\998338560" -parentBuildID 20221007134813 -prefsHandle 1852 -prefMapHandle 1848 -prefsLen 20749 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {957a7bdb-b9a6-4092-855d-468c72eee576} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 1932 1cd1b2ce558 gpu
        3⤵
          PID:4900
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.1.1216499060\1324013557" -parentBuildID 20221007134813 -prefsHandle 2348 -prefMapHandle 2344 -prefsLen 21565 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c0fe395d-3977-498c-b8b0-c6cdf37e143a} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 2360 1cd1afeda58 socket
          3⤵
            PID:4744
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.2.92871480\1341833766" -childID 1 -isForBrowser -prefsHandle 2964 -prefMapHandle 3264 -prefsLen 21668 -prefMapSize 233444 -jsInitHandle 1112 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dbebf43c-8fd3-4003-8fe8-5c1fc7a9dff7} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 3280 1cd1e7d8758 tab
            3⤵
              PID:3444
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.3.913042614\834755019" -childID 2 -isForBrowser -prefsHandle 3568 -prefMapHandle 3564 -prefsLen 26066 -prefMapSize 233444 -jsInitHandle 1112 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f30ceca3-b17c-418f-8082-510d1203575f} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 3576 1cd0e761658 tab
              3⤵
                PID:1748
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.5.1928933249\169966318" -childID 4 -isForBrowser -prefsHandle 5072 -prefMapHandle 5076 -prefsLen 26300 -prefMapSize 233444 -jsInitHandle 1112 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {66dce6f0-5850-41af-865f-e1d6298e683a} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 5064 1cd1e799d58 tab
                3⤵
                  PID:3228
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.6.1926298391\1333445533" -childID 5 -isForBrowser -prefsHandle 5240 -prefMapHandle 5244 -prefsLen 26300 -prefMapSize 233444 -jsInitHandle 1112 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9f95b431-8d71-4781-814d-21e662efbae3} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 5232 1cd1e79a958 tab
                  3⤵
                    PID:4320
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4068.4.127222816\818558484" -childID 3 -isForBrowser -prefsHandle 4928 -prefMapHandle 4916 -prefsLen 26300 -prefMapSize 233444 -jsInitHandle 1112 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6247b105-504f-4a1c-8f0d-b59d777ca471} 4068 "\\.\pipe\gecko-crash-server-pipe.4068" 4936 1cd1e798258 tab
                    3⤵
                      PID:632

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      4832D199584363B876D3E7D57CA02A9B0F4D91CD

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\r67w6m5l.default-release\cache2\entries\4832D199584363B876D3E7D57CA02A9B0F4D91CD
                      • Size 13KB
                      • SHA256 b9ad4cd7537591a7d2b8cd68f0573fa291ae38b4e012c35424830ac689d18179
                      • MD5 SHA1 SHA512 SSDEEP

                      E66F5AA5E3C285C270CF84BD11111C74D38F245C

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\r67w6m5l.default-release\cache2\entries\E66F5AA5E3C285C270CF84BD11111C74D38F245C
                      • Size 13KB
                      • SHA256 35ea7c963b625bac9edfa09bd04149062f2d68e9a4c862137d4764c736bd0d9c
                      • 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

                      6824f4a902c78fbd.customDestinations-ms

                      • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms
                      • Size 7KB
                      • SHA256 337ff650e3f6e5a057a3c9e521e34e8d0ee5bbfd1f9bfa1ed79cf4da660f3969
                      • MD5 SHA1 SHA512 SSDEEP

                      bookmarks-2024-02-26_11_3K-Ux2FUz1QwNQZFIhqxAA==.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\bookmarkbackups\bookmarks-2024-02-26_11_3K-Ux2FUz1QwNQZFIhqxAA==.jsonlz4
                      • Size 952B
                      • SHA256 456606a67e388f163a7d68217e26480c22590c8e6095b60b21aab39fb9b04f84
                      • MD5 SHA1 SHA512

                      broadcast-listeners.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\broadcast-listeners.json
                      • Size 216B
                      • SHA256 57c230fa012c11e8c3e565dbaa8662f4d5116385daef5a3a3b9da44db3d2aabb
                      • MD5 SHA1 SHA512

                      data.safe.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\datareporting\glean\db\data.safe.bin
                      • Size 2KB
                      • SHA256 922de8137275979e151b9f571aa5a6fd90236ddc20568ba4a0630dd7ddca72b2
                      • MD5 SHA1 SHA512

                      c3408fe7-95dd-4f2c-89fe-62812feb59d3

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\datareporting\glean\pending_pings\c3408fe7-95dd-4f2c-89fe-62812feb59d3
                      • Size 746B
                      • SHA256 e81971119fabca8d2526d64b93d0117f0f17cac5612ba7ecaeb5c7213e91da59
                      • MD5 SHA1 SHA512

                      ea516cde-7e2b-425a-9d54-a66f1a93bc74

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\datareporting\glean\pending_pings\ea516cde-7e2b-425a-9d54-a66f1a93bc74
                      • Size 11KB
                      • SHA256 95b74c709558bd2d5be60bb00e75d5fae7c939488b7284fe18f0e969933f4790
                      • MD5 SHA1 SHA512 SSDEEP

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.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\r67w6m5l.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\r67w6m5l.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\r67w6m5l.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\r67w6m5l.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\r67w6m5l.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\r67w6m5l.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\r67w6m5l.default-release\prefs-1.js
                      • Size 9KB
                      • SHA256 7b92b05404ddb24216346a7f64a16406f6b93dd26d093f141817b8659a088509
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\prefs-1.js
                      • Size 10KB
                      • SHA256 243275c39886d0c0a304726211df265fd4ac9e703402e1e63c01d726e4719be9
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\prefs-1.js
                      • Size 6KB
                      • SHA256 884ecd097f2c7a50ed97e3e9b54f584ea332999acfa19f5e6af483066eaca8a4
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\prefs.js
                      • Size 6KB
                      • SHA256 4a8b8a31d11e3f8e2d4a8709478895cc1b373376ae5b297c55ceedbaccc4d5bf
                      • MD5 SHA1 SHA512 SSDEEP

                      sessionCheckpoints.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\sessionCheckpoints.json
                      • Size 90B
                      • SHA256 00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2
                      • MD5 SHA1 SHA512

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 1KB
                      • SHA256 507b1c254f40477da95560c341280281d8424d6e49fcb7fccc42419955680524
                      • MD5 SHA1 SHA512

                      targeting.snapshot.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\r67w6m5l.default-release\targeting.snapshot.json
                      • Size 3KB
                      • SHA256 2ac5ebfa7b495bfdcbf3be03f29acb8b5e75869486099dce9a2afb728705255d
                      • MD5 SHA1 SHA512