Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2024, 08:51

General

  • Target
    file.exe
  • Size 898KB
  • Sample241102-kr61pasphr
  • SHA256 0d4675e241b3768cd9fb7b24c9afcf1dcbd73b6545e067c7e68081f6691ce64e
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

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

  • Kills process with taskkill 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 32 IoCs
  • Suspicious use of SendNotifyMessage 31 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:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1136
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4648
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4512
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1740
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk "https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd" --no-default-browser-check --disable-popup-blocking
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --no-default-browser-check --disable-popup-blocking
        3⤵
        • 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:4092
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1984 -parentBuildID 20240401114208 -prefsHandle 1912 -prefMapHandle 1904 -prefsLen 23680 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {e76fbd6f-3d5f-4333-bb36-77856da4681d} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" gpu
          4⤵
            PID:1608
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2420 -parentBuildID 20240401114208 -prefsHandle 2412 -prefMapHandle 2400 -prefsLen 24600 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5171b4fc-1b36-4a54-91f6-d388dc4655d5} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" socket
            4⤵
              PID:4756
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3060 -childID 1 -isForBrowser -prefsHandle 2920 -prefMapHandle 2904 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 988 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c4526c42-c4a0-49d7-885b-f2107e7d221e} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" tab
              4⤵
                PID:2852
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4152 -childID 2 -isForBrowser -prefsHandle 4144 -prefMapHandle 4140 -prefsLen 29090 -prefMapSize 244658 -jsInitHandle 988 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b68c91b5-1533-4c87-929b-8e5ce267d1ce} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" tab
                4⤵
                  PID:4332
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4888 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4880 -prefMapHandle 4876 -prefsLen 29197 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f8b1a9c2-faae-4a22-a4d1-c20aa451bc06} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" utility
                  4⤵
                  • Checks processor information in registry
                  PID:5360
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5444 -childID 3 -isForBrowser -prefsHandle 5480 -prefMapHandle 5476 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 988 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {24f4ebdf-0058-40aa-9551-fbc5ec4daa55} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" tab
                  4⤵
                    PID:756
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5628 -childID 4 -isForBrowser -prefsHandle 5704 -prefMapHandle 5700 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 988 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {11d9aecd-48ce-4b6d-a929-727983855e68} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" tab
                    4⤵
                      PID:3348
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5700 -childID 5 -isForBrowser -prefsHandle 5908 -prefMapHandle 5912 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 988 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f4d4cb69-e6d0-46ce-99a0-ca716fb33c60} 4092 "\\.\pipe\gecko-crash-server-pipe.4092" tab
                      4⤵
                        PID:4424

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      activity-stream.discovery_stream.json

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6ir3v68x.default-release\activity-stream.discovery_stream.json
                      • Size 24KB
                      • SHA256 47b79da80d5649419d4a6c5924a97a9390630f1bb95ef08a7bdfc18f69f1293c
                      • MD5 SHA1 SHA512 SSDEEP

                      D500AD994A7515157BB2A6ADD5B18B754E4D2F99

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6ir3v68x.default-release\cache2\entries\D500AD994A7515157BB2A6ADD5B18B754E4D2F99
                      • Size 13KB
                      • SHA256 44cd6f65b7e607d3e80726f8f7a4c8b2baf5d46786d2f66deda8cb33b02e2c95
                      • MD5 SHA1 SHA512 SSDEEP

                      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

                      AlternateServices.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\AlternateServices.bin
                      • Size 13KB
                      • SHA256 b28d3b065ccba961cf24363b0de8333d15dcf3f5f32225b8d0d620781f184899
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 5KB
                      • SHA256 b59d71a68e59854c517a63527df06d114fed001cdc18635eaf3c0385269be147
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 15KB
                      • SHA256 8e1360691bcde33c97d2a6778b0453281901cdae0aec951cf520d0286a239e36
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 5KB
                      • SHA256 e75d2c644d99e955d45057d842e619c65a60db6fbc49b4dc094d9e7348b6be6b
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 6KB
                      • SHA256 349dd8dd337bc44580e3b15831f2a06115b7d6da92fbb3ace544cd88c35f87bc
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 15KB
                      • SHA256 1560a38c49ad2379a168566669001bd44e39972669324289ee68b287fe7ab4d0
                      • MD5 SHA1 SHA512 SSDEEP

                      282912a4-7d68-457a-b939-f1327426745a

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\pending_pings\282912a4-7d68-457a-b939-f1327426745a
                      • Size 982B
                      • SHA256 3649daa405fca162a95ac4c74a2b276478236898782254e3d9ba10ed205e4678
                      • MD5 SHA1 SHA512

                      2ba2e295-18fc-48f6-8359-67a40756ab64

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\pending_pings\2ba2e295-18fc-48f6-8359-67a40756ab64
                      • Size 27KB
                      • SHA256 9d083db14c8915649ceb0cfe7f6290b78c3c91255116d6376684407a9369c2c1
                      • MD5 SHA1 SHA512 SSDEEP

                      f485bd9d-fa6a-4b20-8dd9-a84e59359eae

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\datareporting\glean\pending_pings\f485bd9d-fa6a-4b20-8dd9-a84e59359eae
                      • Size 671B
                      • SHA256 8cc7b83042bb2d941d925eb1ecdfc1ec43593d641eaba774cf413126afdef3ef
                      • MD5 SHA1 SHA512

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.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\6ir3v68x.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\6ir3v68x.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\6ir3v68x.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\6ir3v68x.default-release\prefs-1.js
                      • Size 12KB
                      • SHA256 970e9620af095235918fd19d9344fc86fd7a8b52436321cf95876ad91d5685d7
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\prefs-1.js
                      • Size 15KB
                      • SHA256 31b26773886e408b276c17f95b3cafc2c3c1e83e1eca5fda343307d0b7612496
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\prefs.js
                      • Size 10KB
                      • SHA256 587bb95dd3c97012278210368c6628c014ac1c009bac60ecad27c582ce448d4f
                      • MD5 SHA1 SHA512 SSDEEP