Analysis

  • max time kernel
    1663s
  • max time network
    1509s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2024, 03:49

General

  • Target
    https://archive.org/download/MEMZ4.0Clean_20181103
  • Sample240326-ede26afe8w
Score
1/10

Malware Config

Signatures

  • 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 7 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 "https://archive.org/download/MEMZ4.0Clean_20181103"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://archive.org/download/MEMZ4.0Clean_20181103
      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:3512
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.0.442484810\1461433636" -parentBuildID 20221007134813 -prefsHandle 1840 -prefMapHandle 1832 -prefsLen 20749 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4c27cb45-9f55-4202-9379-0f47cad133ff} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 1932 26793e04158 gpu
        3⤵
          PID:968
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.1.1471894578\1772929551" -parentBuildID 20221007134813 -prefsHandle 2340 -prefMapHandle 2336 -prefsLen 21565 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {31f3ef13-300c-4b6a-8bd4-5c86e4d5e76b} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 2364 26792bf1058 socket
          3⤵
            PID:1564
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.2.620663650\385615013" -childID 1 -isForBrowser -prefsHandle 3040 -prefMapHandle 2976 -prefsLen 21668 -prefMapSize 233444 -jsInitHandle 1148 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {430da44f-35a3-46d4-9ec1-a2254c195a48} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 3220 26796db5058 tab
            3⤵
              PID:548
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.3.1403899609\1287513995" -childID 2 -isForBrowser -prefsHandle 3504 -prefMapHandle 3332 -prefsLen 26066 -prefMapSize 233444 -jsInitHandle 1148 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4236a89d-8509-4192-a071-12f1a0850b44} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 3732 26797c59b58 tab
              3⤵
                PID:1328
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.4.718353527\1658839538" -childID 3 -isForBrowser -prefsHandle 5080 -prefMapHandle 5076 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1148 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5dd9ee48-be18-42b0-b879-f2a7137c78a2} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 5068 26799abc658 tab
                3⤵
                  PID:1924
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.5.2065089885\211569283" -childID 4 -isForBrowser -prefsHandle 5092 -prefMapHandle 5088 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1148 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3c59a340-03d0-4268-b7f1-8837aa8388ea} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 4992 26799abde58 tab
                  3⤵
                    PID:4908
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3512.6.1082072259\1920332637" -childID 5 -isForBrowser -prefsHandle 5216 -prefMapHandle 5068 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1148 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {68b73df2-eb19-46d4-a4e1-a8df5b367462} 3512 "\\.\pipe\gecko-crash-server-pipe.3512" 5312 26799abc358 tab
                    3⤵
                      PID:4268
                • C:\Windows\system32\rundll32.exe
                  "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
                  1⤵
                    PID:7264
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k UnistackSvcGroup
                    1⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:7360

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        13065

                        • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\cache2\doomed\13065
                        • Size 9KB
                        • SHA256 19816d7960c5eb50ab6980274842500a62f75b18e269bbdff24e169b0fe19082
                        • MD5 SHA1 SHA512 SSDEEP

                        23282

                        • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\cache2\doomed\23282
                        • Size 9KB
                        • SHA256 d146c052762e1b35b6360b5ff5a2bd706a8f84956790981f7ad7380fb3f46bda
                        • MD5 SHA1 SHA512 SSDEEP

                        A72798DEF4F924983D5A0DB82D383C613B515FF2

                        • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\cache2\entries\A72798DEF4F924983D5A0DB82D383C613B515FF2
                        • Size 13KB
                        • SHA256 d63c86448a19b0bd9d9ea952c91087a08933d495207ff8e17421b119da19597b
                        • 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 2.0MB
                        • SHA256 fed42ba7d1387d0366b89d9d6a8dc57e95bff5b59f786734cd49db01623b1c08
                        • MD5 SHA1 SHA512 SSDEEP

                        6824f4a902c78fbd.customDestinations-ms

                        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms
                        • Size 7KB
                        • SHA256 5c3be7fd751df7858f169c5f4eb4cfac81229aff9ebd68938bdbc0081ab7aa9b
                        • MD5 SHA1 SHA512 SSDEEP

                        bookmarks-2024-03-26_11_Oph-OsgpP-m2FpzaCTyWvA==.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\bookmarkbackups\bookmarks-2024-03-26_11_Oph-OsgpP-m2FpzaCTyWvA==.jsonlz4
                        • Size 946B
                        • SHA256 363fc47c65ee11aa68a6b973ca8b5ee0a6571a9a6afe6cbbcfc68e80b29d6d3c
                        • MD5 SHA1 SHA512

                        broadcast-listeners.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\broadcast-listeners.json
                        • Size 216B
                        • SHA256 f8d9de3f13948568a3d278b0e77cb95f7f4754bc52f1b1c529528e92980a4aef
                        • MD5 SHA1 SHA512

                        data.safe.bin

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\datareporting\glean\db\data.safe.bin
                        • Size 9KB
                        • SHA256 81b68d0ff9d9259c0f38a29ff3ede9cc3b1507d039df48099b0ad64b85df5517
                        • MD5 SHA1 SHA512 SSDEEP

                        72b14d6c-941a-4e33-9951-1237b685f3fa

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\datareporting\glean\pending_pings\72b14d6c-941a-4e33-9951-1237b685f3fa
                        • Size 734B
                        • SHA256 4bf069715d8c177a668ea38fcd228d281cf07e3b9697f4198eefe91d0d006ec6
                        • MD5 SHA1 SHA512

                        extensions.json.tmp

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\extensions.json.tmp
                        • Size 34KB
                        • SHA256 4e605b00258ede82c8c86c3f925a611e42300da0b8773659c613d5ae1eee9cb2
                        • MD5 SHA1 SHA512 SSDEEP

                        gmpopenh264.dll

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.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\6m8kj4bi.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\6m8kj4bi.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\6m8kj4bi.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\6m8kj4bi.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                        • Size 1.4MB
                        • SHA256 f4702b31ea343ad91358e05f95706b3f264b2bb2798de03094d5ee59da5ad3ad
                        • MD5 SHA1 SHA512 SSDEEP

                        widevinecdm.dll.lib

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.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\6m8kj4bi.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\6m8kj4bi.default-release\prefs-1.js
                        • Size 6KB
                        • SHA256 f94597e38d52d0f97f9b9b57bc7d2665bda4c5c25df67d2f05532b24b1770db7
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\prefs-1.js
                        • Size 7KB
                        • SHA256 41da6d5f7b10a4d4afe6a4d4e890b3e752814604f12205277834a02ab2510323
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\prefs-1.js
                        • Size 10KB
                        • SHA256 96429efea15993449f485b25ccc9c23224c9e1e8a27f096d004623c0a5e1e123
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\prefs-1.js
                        • Size 9KB
                        • SHA256 aca57c53f463aa0ca038ce4d1867ef22dcddff158589504c9c83eb63a513fd48
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\prefs-1.js
                        • Size 10KB
                        • SHA256 bc1d31743dc143562da7cab7a0663ea3680b1932f973fa25c0340428ae180e68
                        • MD5 SHA1 SHA512 SSDEEP

                        sessionCheckpoints.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\sessionCheckpoints.json
                        • Size 90B
                        • SHA256 00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2
                        • MD5 SHA1 SHA512

                        recovery.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\sessionstore-backups\recovery.jsonlz4
                        • Size 4KB
                        • SHA256 091d57ac4f1bf465f779b6c6fa5f0b41276681296fdc29e53e40550441106965
                        • MD5 SHA1 SHA512 SSDEEP

                        recovery.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\sessionstore-backups\recovery.jsonlz4
                        • Size 4KB
                        • SHA256 fc9ff1da47e2201440a775d5e192f40d3d9b708935118ab0ea8af1553b1aee5f
                        • MD5 SHA1 SHA512 SSDEEP

                        targeting.snapshot.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6m8kj4bi.default-release\targeting.snapshot.json
                        • Size 3KB
                        • SHA256 5cbed37087ef053056c3457a87949d25bd9be393334af00507c4109c55c282d1
                        • MD5 SHA1 SHA512

                        memory/7360-3957-0x000002B446560000-0x000002B446561000-memory.dmp

                        memory/7360-3959-0x000002B446590000-0x000002B446591000-memory.dmp

                        memory/7360-3960-0x000002B446590000-0x000002B446591000-memory.dmp

                        memory/7360-3961-0x000002B4466A0000-0x000002B4466A1000-memory.dmp

                        memory/7360-3941-0x000002B43E240000-0x000002B43E250000-memory.dmp

                        memory/7360-3925-0x000002B43E140000-0x000002B43E150000-memory.dmp