Analysis

  • max time kernel
    124s
  • max time network
    164s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02/03/2024, 22:42

General

  • Target
    LICENSES.chromium.html
  • Size 8.4MB
  • Sample240302-2mxpwsae65
  • SHA256 ee3b1ab8794c749673ce9bd2dd302f12d69f0a1a4adfe40a64247746cc311829
  • 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 5 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:1900
    • 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:3028
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.0.2039562987\455464182" -parentBuildID 20221007134813 -prefsHandle 1704 -prefMapHandle 1692 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {019158ec-da5e-4f03-9bcc-f7d97eef9b7f} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 1796 1f29dbf5058 gpu
        3⤵
          PID:1524
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.1.505514600\1428057295" -parentBuildID 20221007134813 -prefsHandle 2144 -prefMapHandle 2140 -prefsLen 21608 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a54e6628-1c64-4c1b-b63e-703f37437fa8} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 2172 1f28b672e58 socket
          3⤵
            PID:1268
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.2.806926298\1848200382" -childID 1 -isForBrowser -prefsHandle 2840 -prefMapHandle 2816 -prefsLen 21646 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0a3bd9d6-0b95-4228-a63f-2600f37cfc62} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 2912 1f2a1d0b258 tab
            3⤵
              PID:3628
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.3.567252275\1242879341" -childID 2 -isForBrowser -prefsHandle 3420 -prefMapHandle 3412 -prefsLen 26109 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f004befb-b66d-4b22-b683-423506948daf} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 3432 1f28b661f58 tab
              3⤵
                PID:792
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.4.812379313\886626858" -childID 3 -isForBrowser -prefsHandle 4724 -prefMapHandle 4712 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {be925ab9-f186-4732-b4db-f9b0525e438e} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 4580 1f2a23fdf58 tab
                3⤵
                  PID:2280
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.5.294450091\1303026960" -childID 4 -isForBrowser -prefsHandle 4832 -prefMapHandle 4836 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f0725436-9b41-4953-8af5-6e036dc6656e} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 4824 1f2a425eb58 tab
                  3⤵
                    PID:4316
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3028.6.815832330\335564342" -childID 5 -isForBrowser -prefsHandle 5108 -prefMapHandle 5104 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4bd44c2b-faee-4327-846e-c27ed37618f6} 3028 "\\.\pipe\gecko-crash-server-pipe.3028" 5116 1f2a425ee58 tab
                    3⤵
                      PID:1696

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      E66F5AA5E3C285C270CF84BD11111C74D38F245C

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\hcue34dg.default-release\cache2\entries\E66F5AA5E3C285C270CF84BD11111C74D38F245C
                      • Size 13KB
                      • SHA256 fa0d84da39e7ce3d6e22af65c6aa4b307ec4c508386fa3488293ff6f33664223
                      • 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\hcue34dg.default-release\datareporting\glean\db\data.safe.bin
                      • Size 2KB
                      • SHA256 70b2381264a09d027a0a0a21fb76df934b3354596f873c7dab8c4ecae08ae34c
                      • MD5 SHA1 SHA512

                      37b7968a-dc21-4b74-b5e8-540e81c04b0b

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.default-release\datareporting\glean\pending_pings\37b7968a-dc21-4b74-b5e8-540e81c04b0b
                      • Size 746B
                      • SHA256 ae548e4585bbbe0d4acc119167c5e829936da3cb59932e70de2ff74efd691197
                      • MD5 SHA1 SHA512

                      fe9c8353-4fe8-4724-b6dc-b11f8c613623

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.default-release\datareporting\glean\pending_pings\fe9c8353-4fe8-4724-b6dc-b11f8c613623
                      • Size 13KB
                      • SHA256 cd26f78cb240d6f2a8b823f3b46bd94cbfabd78f7101972c2acffecd2af210bd
                      • MD5 SHA1 SHA512 SSDEEP

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.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\hcue34dg.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\hcue34dg.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\hcue34dg.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\hcue34dg.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\hcue34dg.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\hcue34dg.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\hcue34dg.default-release\prefs-1.js
                      • Size 7KB
                      • SHA256 fba8b2f2e5f52c7154529fe5a074b15b49779951ff5f86454b1ea337fecb5b5f
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.default-release\prefs-1.js
                      • Size 6KB
                      • SHA256 67eb0df4e9fa1ce3315665b1fc9222fdc3dfa625210ebd1585dbaf4a5b3fd1a5
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.default-release\prefs-1.js
                      • Size 9KB
                      • SHA256 d284dc0b9219e336f2f51fea3b175df10725e4feff7ccc57727dcb87002960f9
                      • MD5 SHA1 SHA512 SSDEEP

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 1KB
                      • SHA256 200f44033094d3243d842c7e03c861e90f66fb402f95fcae6e7a0b6b735311c5
                      • MD5 SHA1 SHA512

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\hcue34dg.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 1KB
                      • SHA256 c43568600a4203ac8dc7bbe0d75cfffef2659398ff1f02b4587803273b9cf6f2
                      • MD5 SHA1 SHA512