Resubmissions

22/04/2024, 15:01

240422-sd558scg4v10

22/04/2024, 14:58

240422-sch93scg2110

Analysis

  • max time kernel
    212s
  • max time network
    302s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/04/2024, 14:58

General

  • Target
    TangoGen.rar
  • Size 43.6MB
  • Sample240422-sch93scg21
  • SHA256 eb6f8f2a7f814d765640c5e6422921576383c85183677c8c1328f846bda5906e
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 10 IoCs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 24 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\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\TangoGen.rar
    1⤵
    • Modifies registry class
    PID:1972
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\TangoGen.rar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\TangoGen.rar
        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:1848
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.0.1912472413\899983855" -parentBuildID 20230214051806 -prefsHandle 1804 -prefMapHandle 1788 -prefsLen 22074 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3db466d9-8a9d-45ef-b0ed-b4c44445c2b2} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 1896 1a29f013b58 gpu
          4⤵
            PID:3132
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.1.1205956817\139048220" -parentBuildID 20230214051806 -prefsHandle 2432 -prefMapHandle 2428 -prefsLen 22925 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {73ddbaa5-f518-49f8-baf5-4a9e87166a56} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 2440 1a28ae85458 socket
            4⤵
            • Checks processor information in registry
            PID:1816
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.2.130677202\1121656305" -childID 1 -isForBrowser -prefsHandle 2956 -prefMapHandle 2952 -prefsLen 22963 -prefMapSize 235121 -jsInitHandle 976 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2e5a64e8-db69-411c-ad5b-16a46a494907} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 2968 1a2a204e258 tab
            4⤵
              PID:3488
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.3.933664428\808760156" -childID 2 -isForBrowser -prefsHandle 3476 -prefMapHandle 3472 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 976 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9c0687a4-b663-4113-96f9-e03b31fa80c2} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 3480 1a2a4940158 tab
              4⤵
                PID:4324
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.4.1084011871\465001702" -childID 3 -isForBrowser -prefsHandle 5312 -prefMapHandle 5244 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 976 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {852893ed-e72b-49fe-a9ff-09f88bdb9c9c} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 5292 1a2a63e5758 tab
                4⤵
                  PID:1140
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.5.388493459\796138205" -childID 4 -isForBrowser -prefsHandle 5664 -prefMapHandle 5612 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 976 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1b347050-6488-4fa6-8329-0f086cf2b883} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 5648 1a2a65f2a58 tab
                  4⤵
                    PID:4336
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1848.6.1333653784\580149765" -childID 5 -isForBrowser -prefsHandle 5828 -prefMapHandle 5832 -prefsLen 27695 -prefMapSize 235121 -jsInitHandle 976 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dcd95f32-c73b-4356-9058-6c9a7abc2054} 1848 "\\.\pipe\gecko-crash-server-pipe.1848" 5816 1a2a65f1e58 tab
                    4⤵
                      PID:4692
              • C:\Windows\system32\OpenWith.exe
                C:\Windows\system32\OpenWith.exe -Embedding
                1⤵
                • Modifies registry class
                • Suspicious use of SetWindowsHookEx
                PID:2028

              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\dsfbkuj2.default-release\activity-stream.discovery_stream.json.tmp
                    • Size 24KB
                    • SHA256 b0cbbe64db7158bec3fc35d155085474d4b65a9b4ca9cfaa461f265a814cd444
                    • MD5 SHA1 SHA512 SSDEEP

                    C72D4296C2EBC6FD41A9F780CD0C8F30F0FF937C

                    • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\cache2\entries\C72D4296C2EBC6FD41A9F780CD0C8F30F0FF937C
                    • Size 13KB
                    • SHA256 5bcb6c303e58acc445986a612bfbc5f8669643a7eddfda16f8dcb2b993026390
                    • 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

                    gmpopenh264.dll

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.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\dsfbkuj2.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\dsfbkuj2.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\dsfbkuj2.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\dsfbkuj2.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\dsfbkuj2.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\dsfbkuj2.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\dsfbkuj2.default-release\prefs-1.js
                    • Size 8KB
                    • SHA256 cff30058f2abeae0e9a2f389cf1492dcb5514397a14bd2190ed608d3c1266e22
                    • MD5 SHA1 SHA512 SSDEEP

                    prefs-1.js

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\prefs-1.js
                    • Size 10KB
                    • SHA256 35138588a19acf7f1cea1bb0c3950f6ac012f5ee55bd9eff884ce94957129e66
                    • MD5 SHA1 SHA512 SSDEEP

                    prefs-1.js

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\prefs-1.js
                    • Size 10KB
                    • SHA256 01258c713ab3a9e7aca318805fd3d4dbd6bc1c32c0480f1f5959408857c679d3
                    • MD5 SHA1 SHA512 SSDEEP

                    prefs.js

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\prefs.js
                    • Size 6KB
                    • SHA256 42145d0797049673b1016b5900d6c31dc77f86e66f8ad80a17f8b4e0c0e2157d
                    • MD5 SHA1 SHA512 SSDEEP

                    sessionCheckpoints.json

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\sessionCheckpoints.json
                    • Size 288B
                    • SHA256 2fca1f29b73dd5b4159fa1eb16e69276482f5224ba7d2219a547039129a51f0e
                    • MD5 SHA1 SHA512

                    recovery.jsonlz4

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\sessionstore-backups\recovery.jsonlz4
                    • Size 1KB
                    • SHA256 b85e7bcce38290a2b3731ff30159a0cfaf20a9bc142f16f5feaa662448eb40a8
                    • MD5 SHA1 SHA512

                    sessionstore.jsonlz4

                    • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dsfbkuj2.default-release\sessionstore.jsonlz4
                    • Size 641B
                    • SHA256 2abd6f5f874df960dbb425fe560de8f99c24f91903c037826e328b345a3f76a9
                    • MD5 SHA1 SHA512

                    dBhAKJfb.rar.part

                    • Path C:\Users\Admin\Downloads\dBhAKJfb.rar.part
                    • Size 43.6MB
                    • SHA256 eb6f8f2a7f814d765640c5e6422921576383c85183677c8c1328f846bda5906e
                    • MD5 SHA1 SHA512 SSDEEP