Analysis

  • max time kernel
    135s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 08:37

General

  • Target
    IDMan.exe
  • Size 5.7MB
  • Sample240601-kh45qsgd77
  • SHA256 4844e0e0de7ef5b004bc051d9a3a59b3ccb1e05abadb8e35a43314a1d5ce1d27
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 22 IoCs
  • Modifies registry class 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\IDMan.exe
    "C:\Users\Admin\AppData\Local\Temp\IDMan.exe"
    1⤵
    • Checks computer location settings
    • Installs/modifies Browser Helper Object
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
        PID:3932
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3824
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
          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:3332
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.0.1197807800\1177232055" -parentBuildID 20230214051806 -prefsHandle 1756 -prefMapHandle 1748 -prefsLen 22076 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {dfd11cdd-c83b-4d11-b586-b1f28ce16374} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 1848 1ffbfe10858 gpu
            4⤵
              PID:3636
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.1.541741509\2057518554" -parentBuildID 20230214051806 -prefsHandle 2432 -prefMapHandle 2428 -prefsLen 22927 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {692619f3-0a9c-4a14-b742-d794dbdba636} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 2444 1ffb2f89358 socket
              4⤵
                PID:1272
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.2.944060827\438116020" -childID 1 -isForBrowser -prefsHandle 2832 -prefMapHandle 1368 -prefsLen 23030 -prefMapSize 235121 -jsInitHandle 1272 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {67cd3e05-8099-4f08-a299-a569aa3eedb2} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 3012 1ffc2c4b458 tab
                4⤵
                  PID:3396
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.3.2141257195\1130376380" -childID 2 -isForBrowser -prefsHandle 4120 -prefMapHandle 4116 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1272 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {619f59d8-fb6e-45b7-84e7-f76234df9d41} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 4144 1ffc4658b58 tab
                  4⤵
                    PID:2000
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.4.131481822\523551577" -childID 3 -isForBrowser -prefsHandle 4968 -prefMapHandle 4964 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1272 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5c7337d1-152c-4167-8c79-4b1b5882969a} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 4972 1ffc6598758 tab
                    4⤵
                      PID:3060
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.5.285317382\574015761" -childID 4 -isForBrowser -prefsHandle 3076 -prefMapHandle 3060 -prefsLen 27697 -prefMapSize 235121 -jsInitHandle 1272 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f0a21e55-d0db-46dc-8300-57be89bdc39e} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 3116 1ffc4650158 tab
                      4⤵
                        PID:2448
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.6.921914734\1680966437" -childID 5 -isForBrowser -prefsHandle 5336 -prefMapHandle 5280 -prefsLen 27697 -prefMapSize 235121 -jsInitHandle 1272 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7043d0c2-dd18-4f42-87b5-2df062d58f87} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 5364 1ffc719c958 tab
                        4⤵
                          PID:3428
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3332.7.1973568853\997662188" -childID 6 -isForBrowser -prefsHandle 5320 -prefMapHandle 5324 -prefsLen 27697 -prefMapSize 235121 -jsInitHandle 1272 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5778ee69-b2cc-4eda-bdb5-cfd1cc2f2f17} 3332 "\\.\pipe\gecko-crash-server-pipe.3332" 5496 1ffc719a258 tab
                          4⤵
                            PID:4060

                    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\ntkangc5.default-release\activity-stream.discovery_stream.json.tmp
                          • Size 30KB
                          • SHA256 328dce10b5dd01eb2dc2035b81648507f8f599875833de692b442697a6833527
                          • MD5 SHA1 SHA512 SSDEEP

                          F4EFE37A30D0F14C6AC03FF7949A51CBC2EBC649

                          • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\ntkangc5.default-release\cache2\entries\F4EFE37A30D0F14C6AC03FF7949A51CBC2EBC649
                          • Size 13KB
                          • SHA256 3ea3bc507423e8c52a5feb87d71cc082623c4acec8837f7224cc2aea6cff7ea2
                          • 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\ntkangc5.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\ntkangc5.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\ntkangc5.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\ntkangc5.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\ntkangc5.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\ntkangc5.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\ntkangc5.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\ntkangc5.default-release\prefs-1.js
                          • Size 8KB
                          • SHA256 e9bb4e1c814cad37c2cd59e595182087422298dfa2e9929fe25c6946136623f4
                          • MD5 SHA1 SHA512 SSDEEP

                          prefs-1.js

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ntkangc5.default-release\prefs-1.js
                          • Size 7KB
                          • SHA256 e3d10da480d32c3934032d7e1b4f1afd117a68ec62f03fb4fb887665865deaf1
                          • MD5 SHA1 SHA512 SSDEEP

                          recovery.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ntkangc5.default-release\sessionstore-backups\recovery.jsonlz4
                          • Size 3KB
                          • SHA256 d3d5c64b0ab8d005c11bfa13a81e25ca33e5a634e1524f3a5792485f2d6eba33
                          • MD5 SHA1 SHA512

                          recovery.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ntkangc5.default-release\sessionstore-backups\recovery.jsonlz4
                          • Size 3KB
                          • SHA256 041901b3c4c03acf5fa0f2b36abc0525ceb13aad8251ae1d90352781f974e72a
                          • MD5 SHA1 SHA512

                          recovery.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\ntkangc5.default-release\sessionstore-backups\recovery.jsonlz4
                          • Size 3KB
                          • SHA256 1dd865534a38679334c9d8d35b85ec8ccfef23b346c4e0573819c128b0fbcbae
                          • MD5 SHA1 SHA512