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Analysis

  • max time kernel
    963s
  • max time network
    972s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 10:04

General

  • Target

    b28242123ed2cf6000f0aa036844bd29.dll

  • Size

    87KB

  • MD5

    b28242123ed2cf6000f0aa036844bd29

  • SHA1

    915f41a6c59ed743803ea0ddde08927ffd623586

  • SHA256

    fd563cf7c0c862ab910cf558b5a123354b616e84902d277edf09f378ff6f9786

  • SHA512

    08e5966ca90f08c18c582e6c67d71186a6f9c025fc9f78020e1ce202814de094171111b7f3623d81f7371acdf92206446f7c0425e08e8f5f5b6fd969007d9fca

  • SSDEEP

    1536:0A1KsVHBnVJ0T1rFTQHUPx+nVP7ZSRILMZoXyqqEbzPCAdt6rFTc:0A1rVIrFTOUsnVP7sRILgAPCvrFTc

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 6 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 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:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b28242123ed2cf6000f0aa036844bd29.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b28242123ed2cf6000f0aa036844bd29.dll
      2⤵
        PID:4604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 596
          3⤵
          • Program crash
          PID:4996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4604 -ip 4604
      1⤵
        PID:3532
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4416
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          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:1588
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.0.1383449765\724277205" -parentBuildID 20230214051806 -prefsHandle 1756 -prefMapHandle 1748 -prefsLen 22076 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {08b2e27f-30b7-4182-858f-6d8635ccf570} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 1836 1f7cbb23e58 gpu
            3⤵
              PID:4040
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.1.706841872\197601511" -parentBuildID 20230214051806 -prefsHandle 2376 -prefMapHandle 2364 -prefsLen 22112 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {eac037ca-93cc-4591-a6b3-4071b23abaa0} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 2404 1f7bed89358 socket
              3⤵
                PID:1408
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.2.277375714\1316903202" -childID 1 -isForBrowser -prefsHandle 2992 -prefMapHandle 2988 -prefsLen 22150 -prefMapSize 235121 -jsInitHandle 1264 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6679dac5-5e2d-4fd4-a623-47edac5c8c46} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 3004 1f7ce3e6558 tab
                3⤵
                  PID:1244
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.3.147663269\692915999" -childID 2 -isForBrowser -prefsHandle 3992 -prefMapHandle 3540 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1264 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c0e15562-bc60-42a0-b0e7-ff12f1770ac3} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 4004 1f7d0b75058 tab
                  3⤵
                    PID:1440
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.4.766063025\519590492" -childID 3 -isForBrowser -prefsHandle 4900 -prefMapHandle 5084 -prefsLen 27692 -prefMapSize 235121 -jsInitHandle 1264 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3689f6ba-2865-45cd-8a68-09293084a0d5} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 5080 1f7d2b57658 tab
                    3⤵
                      PID:4352
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.5.1357977188\911343911" -childID 4 -isForBrowser -prefsHandle 5260 -prefMapHandle 5264 -prefsLen 27692 -prefMapSize 235121 -jsInitHandle 1264 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0e722783-09ac-44fb-8810-ce231b776351} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 5252 1f7d2b58258 tab
                      3⤵
                        PID:4948
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.6.713517521\1063101993" -childID 5 -isForBrowser -prefsHandle 5528 -prefMapHandle 5524 -prefsLen 27692 -prefMapSize 235121 -jsInitHandle 1264 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {db3f7faa-6ca4-473e-b94c-eaa0c2ff752b} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 5536 1f7d3103858 tab
                        3⤵
                          PID:3308
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1588.7.183819242\1757131366" -childID 6 -isForBrowser -prefsHandle 5312 -prefMapHandle 5316 -prefsLen 27771 -prefMapSize 235121 -jsInitHandle 1264 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3d00dcf7-c1cf-4090-9d54-5ca404437f09} 1588 "\\.\pipe\gecko-crash-server-pipe.1588" 5304 1f7bed7c458 tab
                          3⤵
                            PID:1052

                      Network

                      MITRE ATT&CK Matrix ATT&CK v13

                      Discovery

                      Query Registry

                      2
                      T1012

                      System Information Discovery

                      1
                      T1082

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\activity-stream.discovery_stream.json.tmp
                        Filesize

                        26KB

                        MD5

                        a0314dbe45ef000069c233a9471b9f24

                        SHA1

                        f813c0e71580fde75249ef7555e81e5479476425

                        SHA256

                        c70755a12f8cc2068d88aeb7b9e1043ff123dd21dc84a8e716632d18c7538087

                        SHA512

                        3cfb7e1af12eeed81cc816a35d8aedafd957338e3fdedfd47361c72031ff424019778a86b46e2918d0d56b767fa6189621498b62fc0f84825661a081a4a6bf17

                      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\cache2\entries\099EB2BF8827A4F91EAB3E38B14650D0205226F2
                        Filesize

                        15KB

                        MD5

                        d921c136343d6c0784f11b3dcb6015f3

                        SHA1

                        8fd082a576498a6e57f6dedc796116097d6ff8e9

                        SHA256

                        15ba10b8d43ab2f96093b63d23d366acb98954d1dc45a347edc9d02add7cdf5e

                        SHA512

                        802112f3c5701007f6270437e503d9802390b9994a2020edcfe1070a947699db97ef66095610b10b76285e9b51f241db39d6e7098133e46bcb93b01731fc3e9d

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms
                        Filesize

                        5KB

                        MD5

                        e3cca02ad04023e13bfdef5b34fc68fe

                        SHA1

                        26127b6d08b0e09bc7b0d371ac484b49f2a9207f

                        SHA256

                        e3470eed6991f99200a7c76e7dbefaa7958d5a72ab3911f5f8b69a561b1647bb

                        SHA512

                        bac4c95968aacf1f3da073a05dd2b81a6a1b6880689ee6ef85e06b081f699fd5caa57c3a6e5766e6358378b4ac8c23ac5e20b2710c875a471a6dcefdf213c032

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\bookmarkbackups\bookmarks-2024-06-11_11_A4tBoSfkVRtzCVRaQeQBbQ==.jsonlz4
                        Filesize

                        990B

                        MD5

                        7c86057a3cc6ee546c56f21c3de32b32

                        SHA1

                        4c8dc7f17e3dd8c05d7de9db5bc88539f4f82c5d

                        SHA256

                        ae991619cbc3424ce6f225e06bd236a185cf19c95e043931b4ba46ddea826cf1

                        SHA512

                        4ec8b911495bd299cd453c3aeeb77c015484223170c95de9986bd6f1398864e54e0386d2138dc85dd0a54541016cfa5e280cb653837c68185c30cdc503252dce

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\broadcast-listeners.json
                        Filesize

                        204B

                        MD5

                        72c95709e1a3b27919e13d28bbe8e8a2

                        SHA1

                        00892decbee63d627057730bfc0c6a4f13099ee4

                        SHA256

                        9cf589357fceea2f37cd1a925e5d33fd517a44d22a16c357f7fb5d4d187034aa

                        SHA512

                        613ca9dd2d12afe31fb2c4a8d9337eeecfb58dabaeaaba11404b9a736a4073dfd9b473ba27c1183d3cc91d5a9233a83dce5a135a81f755d978cea9e198209182

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\prefs-1.js
                        Filesize

                        7KB

                        MD5

                        9846c56bb748dafc30e25d81fb4968eb

                        SHA1

                        37b386961a1797beb28cd66039c5c0bbf1480b74

                        SHA256

                        8c8117cbde4578b588d0851607144217850287b8526914b7a1ef03c542309bba

                        SHA512

                        55b8c8bdd50040c55791d1879ae9f44998c4f01269434962bcf37060016ae7b89d27c19349a3c357e6a1e948f7cc604a26dc7b5b6bd7f88eaeca69fe10f780f3

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\prefs-1.js
                        Filesize

                        7KB

                        MD5

                        561c701be80f8e8b90f06c4125eee05e

                        SHA1

                        f6d4a3b1930c11a9c1ad566f301eba8f2c56f1bf

                        SHA256

                        d2768ee1f9ca5144d1a9f94ae7feae31248e81d823df23c473698ac8dfaf9d15

                        SHA512

                        6382be96ca9587c91296229fb8c6fbd8316c3d2e89e50197d6ef3b96620bdc85a87a5e36ba34ff97c82176ec5678ab429efd0999a61ac7b2fffa50dd822a517f

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\prefs-1.js
                        Filesize

                        8KB

                        MD5

                        bb061aaa96f270363b2cd54c3dd28c78

                        SHA1

                        e43394a4120b3a0bda59bde35d9b6b03d8485560

                        SHA256

                        75e83d57d109096d8bbe4de780a451d0e85b9c802932c05a1fddac971e897efd

                        SHA512

                        fa3c47ac0102d92a665fdb601d1a28487a886c85f44ba80c75c64942acf9efd0df68181e2201e72b5fa7dac94c2eb2dae555e6b6e4a8632de4fd1063ad6f25fe

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\sessionCheckpoints.json
                        Filesize

                        90B

                        MD5

                        c4ab2ee59ca41b6d6a6ea911f35bdc00

                        SHA1

                        5942cd6505fc8a9daba403b082067e1cdefdfbc4

                        SHA256

                        00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2

                        SHA512

                        71ea16900479e6af161e0aad08c8d1e9ded5868a8d848e7647272f3002e2f2013e16382b677abe3c6f17792a26293b9e27ec78e16f00bd24ba3d21072bd1cae2

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\sessionstore-backups\recovery.jsonlz4
                        Filesize

                        1KB

                        MD5

                        8eda0fb44d9bf64082968bd50e4fcecd

                        SHA1

                        bdd7adca5371303928a30f215a5a88e138bfd169

                        SHA256

                        dc79c4cbab80176124011349991ce33b00c75cfa397dff90a843bf03fe7a8457

                        SHA512

                        de2f6efc679195d6a5d0280315632a18e25112219a8f9c80b2563ccd89b9048d00ceec2c85bfc35ad1dc8ec9549182640b1fa3d0835d6c4f3bcdd7d5e30c7356

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\sessionstore-backups\recovery.jsonlz4
                        Filesize

                        1KB

                        MD5

                        8ca7afe4fc2977389f049d7d952fa9a5

                        SHA1

                        76cad344f34ccb617e491b7f76506f18d5c62172

                        SHA256

                        355199a5700031af328df8952c347d56aff33640a04a12fef61b89789d57110a

                        SHA512

                        6044ebffe4fcc0fba9878be2eb72c5cd1f7730c7feca090dd9c6706303690c7efe650d86c027c46f483d10f550de75ad188c1b38b433a6ddbda9792ee3c55f1a

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xs8l7p8u.default-release\targeting.snapshot.json
                        Filesize

                        4KB

                        MD5

                        cb26926ab4f1f2829388b1796394b143

                        SHA1

                        a1e46065526ce2007a97b6fef1669dae01b9e333

                        SHA256

                        ed8f5926049975e60965f9328ef86105800d862f28150087b42f6b43ac6a35bd

                        SHA512

                        3794db85b4b07d6ae49f92955747e232a557ee28794d0c21689213341464c1a61adc3441e23eb725d95d05ed1ffed05f6445bde40534978ee6c62642cb989de6

                      • memory/4604-0-0x0000000000400000-0x0000000000443000-memory.dmp
                        Filesize

                        268KB