Resubmissions

17/08/2024, 05:31

240817-f78r1asfnq9

17/08/2024, 05:25

240817-f4g5wayhrd9

17/08/2024, 05:25

240817-f4gt4ssdrm

17/08/2024, 05:10

240817-ftstmayelc9

Analysis

  • max time kernel
    273s
  • max time network
    294s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 05:10

General

  • Target
    https://www.office.com/
  • Sample240817-ftstmayelc

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected potential entity reuse from brand microsoft.
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 16 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 "https://www.office.com/"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://www.office.com/
      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:4452
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2044 -parentBuildID 20240401114208 -prefsHandle 1968 -prefMapHandle 1964 -prefsLen 23680 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {98c69e43-2ce6-40cf-befd-b8fe7431e6e8} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" gpu
        3⤵
          PID:3732
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2464 -parentBuildID 20240401114208 -prefsHandle 2440 -prefMapHandle 2436 -prefsLen 24600 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4444657b-217a-43ab-805f-ed5709ada179} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" socket
          3⤵
            PID:216
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3420 -childID 1 -isForBrowser -prefsHandle 3424 -prefMapHandle 3212 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5149e4a3-9e5e-4a1b-9e01-c96869b6381a} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
            3⤵
              PID:1840
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3660 -childID 2 -isForBrowser -prefsHandle 3096 -prefMapHandle 3060 -prefsLen 29090 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b0c7d797-23f4-410c-be7b-ab02784e8da8} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
              3⤵
                PID:5036
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4568 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4560 -prefMapHandle 4552 -prefsLen 29090 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2086e534-9c34-4822-8678-b841901eb01b} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" utility
                3⤵
                • Checks processor information in registry
                PID:4576
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5084 -childID 3 -isForBrowser -prefsHandle 5076 -prefMapHandle 5064 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ac65a87d-5c83-49a9-918f-ed4fe38b7e6d} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                3⤵
                  PID:3080
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5232 -childID 4 -isForBrowser -prefsHandle 5320 -prefMapHandle 5316 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b1b46aaf-7773-44c0-85f5-0e2d07925794} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                  3⤵
                    PID:2220
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5096 -childID 5 -isForBrowser -prefsHandle 5216 -prefMapHandle 5224 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ef28f8df-dc27-4208-9e84-a12c0f280c08} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                    3⤵
                      PID:1392
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6100 -childID 6 -isForBrowser -prefsHandle 3432 -prefMapHandle 2700 -prefsLen 27079 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {57e64b0f-7d49-4369-93ac-d8e0a2ec3d99} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                      3⤵
                        PID:2144
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6304 -childID 7 -isForBrowser -prefsHandle 6272 -prefMapHandle 6300 -prefsLen 27129 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c1c45d9b-e8cc-40c7-a750-f05a04109130} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                        3⤵
                          PID:4136
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2944 -childID 8 -isForBrowser -prefsHandle 3640 -prefMapHandle 5276 -prefsLen 28329 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dde68d4c-fbc7-4568-a935-01b864617781} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                          3⤵
                            PID:4120
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6092 -childID 9 -isForBrowser -prefsHandle 5796 -prefMapHandle 1896 -prefsLen 28329 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {50affa1d-3da0-4a40-a956-af1dec15c05b} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                            3⤵
                              PID:3020
                            • C:\Program Files\Mozilla Firefox\firefox.exe
                              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5080 -childID 10 -isForBrowser -prefsHandle 5124 -prefMapHandle 5100 -prefsLen 28329 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a60d3fcf-505e-41ae-88a9-d0e95d81b142} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                              3⤵
                                PID:3972
                              • C:\Program Files\Mozilla Firefox\firefox.exe
                                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6328 -childID 11 -isForBrowser -prefsHandle 5024 -prefMapHandle 2756 -prefsLen 28329 -prefMapSize 244658 -jsInitHandle 888 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6c9fdb20-83f3-4a9a-a067-fbbb59ab723c} 4452 "\\.\pipe\gecko-crash-server-pipe.4452" tab
                                3⤵
                                  PID:3316

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  tmpaddon

                                  • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                                  • Size 479KB
                                  • SHA256 c32efac42faf4b9878fb8917c5e71d89ff40de580c4f52f62e11c6cfab55167f
                                  • MD5 SHA1 SHA512 SSDEEP

                                  tmpaddon-1

                                  • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                                  • Size 13.8MB
                                  • SHA256 32d544baf2facc893057a1d97db33207e642f0dacf235d8500a0b5eff934ce03
                                  • MD5 SHA1 SHA512 SSDEEP

                                  BWA8PFE9HEQ1HWML2CB8.temp

                                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\BWA8PFE9HEQ1HWML2CB8.temp
                                  • Size 13KB
                                  • SHA256 3b355fa90e829686d83d45e0296625316e795b6ef73d304204e7333bedb4eb59
                                  • MD5 SHA1 SHA512 SSDEEP

                                  AlternateServices.bin

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\AlternateServices.bin
                                  • Size 10KB
                                  • SHA256 46dd5627c5f1a8bb6406f98b1542d944a2b3b431a8af4988af95a6e50ba751e6
                                  • MD5 SHA1 SHA512 SSDEEP

                                  data.safe.tmp

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\datareporting\glean\db\data.safe.tmp
                                  • Size 5KB
                                  • SHA256 59632b55d810d8d5a06340c9159c2b01ca61874988bc228313807b2f4c43fb8e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  data.safe.tmp

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\datareporting\glean\db\data.safe.tmp
                                  • Size 71KB
                                  • SHA256 dec08896ece120809f3cc428a2464c0fc553a2657b6c3f13ca452d78477223dc
                                  • MD5 SHA1 SHA512 SSDEEP

                                  data.safe.tmp

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\datareporting\glean\db\data.safe.tmp
                                  • Size 5KB
                                  • SHA256 9381290c423a3bc78c48648c903b0d1b7c9d4545d7cfed0670726c4f3abb1d63
                                  • MD5 SHA1 SHA512 SSDEEP

                                  330dc8e4-60bb-4213-87b5-6a4c45a11786

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\datareporting\glean\pending_pings\330dc8e4-60bb-4213-87b5-6a4c45a11786
                                  • Size 26KB
                                  • SHA256 dfb35f75cc80f1ed50e936e68f34247808ae2762ec675013a9968ad968997baf
                                  • MD5 SHA1 SHA512 SSDEEP

                                  52fd6089-8f93-44c3-a240-02658b67dff2

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\datareporting\glean\pending_pings\52fd6089-8f93-44c3-a240-02658b67dff2
                                  • Size 982B
                                  • SHA256 682e3bda0e45b36bf9d3f050005f441e2a3c9734c4462c052e3cc7fe701f8a1b
                                  • MD5 SHA1 SHA512

                                  937a58ba-ed11-4376-920c-8191e1cd877f

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\datareporting\glean\pending_pings\937a58ba-ed11-4376-920c-8191e1cd877f
                                  • Size 671B
                                  • SHA256 8d6bdc681d27cab7e45ef7b006f44ff754860089b3405a30935fb7c4e5e54e4b
                                  • MD5 SHA1 SHA512

                                  gmpopenh264.dll

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.dll
                                  • Size 1.1MB
                                  • SHA256 d88dd3bfc4a558bb943f3caa2e376da3942e48a7948763bf9a38f707c2cd0c1c
                                  • MD5 SHA1 SHA512 SSDEEP

                                  gmpopenh264.info

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.info
                                  • Size 116B
                                  • SHA256 4107f76ba1d9424555f4e8ea0acef69357dfff89dfa5f0ec72aa4f2d489b17bc
                                  • MD5 SHA1 SHA512

                                  manifest.json

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\gmp-widevinecdm\4.10.2710.0\manifest.json
                                  • Size 372B
                                  • SHA256 bbab6ca07edbed72a966835c7907b3e60c7aa3d48ddea847e5076bd05f4b1eda
                                  • MD5 SHA1 SHA512

                                  widevinecdm.dll

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\gmp-widevinecdm\4.10.2710.0\widevinecdm.dll
                                  • Size 17.8MB
                                  • SHA256 bc40c7821dcd3fea9923c6912ab1183a942c11b7690cfd79ed148ded0228777e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs-1.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\prefs-1.js
                                  • Size 11KB
                                  • SHA256 14142a29fcfa3b060ff54d3cdda0c75363da4611927b215bb0c8b13d23fa2861
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs-1.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\prefs-1.js
                                  • Size 12KB
                                  • SHA256 6135e21e912edc9b277194f2fcce8185c8ae41c074053651085195a1284b0a47
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs-1.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\prefs-1.js
                                  • Size 11KB
                                  • SHA256 2d4daff7782cd5f80d5fd117746ada0d9fdd2f6ffe6329dd06885c3cb9275644
                                  • MD5 SHA1 SHA512 SSDEEP

                                  prefs-1.js

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\prefs-1.js
                                  • Size 11KB
                                  • SHA256 490de505c3195410e9725e95459e1448ae1ca6212ef63256cf75596bc26e6180
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.baklz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\sessionstore-backups\recovery.baklz4
                                  • Size 5KB
                                  • SHA256 d14a94b8a5608a646aa7b95fbff1ab87f77af0f22e07f0b6721443cb6089e109
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.baklz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\sessionstore-backups\recovery.baklz4
                                  • Size 6KB
                                  • SHA256 81720ba8c3893432980641d186ea6f9a8c42f75392be46bbe117f2d244ca0dee
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.baklz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\sessionstore-backups\recovery.baklz4
                                  • Size 9KB
                                  • SHA256 795038fc64637f764b2a178910776797e20533942eb1d8f07787bb00f981e993
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.baklz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\sessionstore-backups\recovery.baklz4
                                  • Size 6KB
                                  • SHA256 8b88045d5fecf685e4bd58dd388c0706a8961500bf36419d1f06d0e17f49c96e
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.baklz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\sessionstore-backups\recovery.baklz4
                                  • Size 6KB
                                  • SHA256 aa7d95f105d64f7ceff101928586bee6f36b6dab07280a2e0a0d7c87c0f9bb21
                                  • MD5 SHA1 SHA512 SSDEEP

                                  recovery.baklz4

                                  • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zrrtvxky.default-release\sessionstore-backups\recovery.baklz4
                                  • Size 10KB
                                  • SHA256 f64225abe3ec15dae880be34a3299ecc73bc9f6c564c91a4ace3c00ea9846d3c
                                  • MD5 SHA1 SHA512 SSDEEP