Resubmissions

18-07-2023 22:39

230718-2ld66aec95 10

18-07-2023 22:17

230718-17gnqsec27 6

Analysis

  • max time kernel
    84s
  • max time network
    90s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2023 22:17

General

  • Target

    https://drive.google.com/file/d/1YkYdlk-r3l9ewhvb2efqTt_qlS-AQcZC/view?usp=drive_web

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Modifies registry class 2 IoCs
  • NTFS ADS 1 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 64 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://drive.google.com/file/d/1YkYdlk-r3l9ewhvb2efqTt_qlS-AQcZC/view?usp=drive_web"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://drive.google.com/file/d/1YkYdlk-r3l9ewhvb2efqTt_qlS-AQcZC/view?usp=drive_web
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1656
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.0.1434869974\233920855" -parentBuildID 20221007134813 -prefsHandle 1896 -prefMapHandle 1888 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {493aa0ca-3d32-4d7b-a792-2f72d9d001b0} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 1988 194631f5958 gpu
        3⤵
          PID:4820
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.1.1435835956\1136519147" -parentBuildID 20221007134813 -prefsHandle 2392 -prefMapHandle 2388 -prefsLen 21754 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4da57783-0d26-43d5-905b-f367cda5eacd} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 2404 1944f472258 socket
          3⤵
            PID:1036
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.2.2000216636\1569391405" -childID 1 -isForBrowser -prefsHandle 2868 -prefMapHandle 2864 -prefsLen 21857 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {010fd6af-7d1b-40ed-b0a1-147bea18a75f} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 2860 194672e9658 tab
            3⤵
              PID:4020
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.3.898287572\1043302444" -childID 2 -isForBrowser -prefsHandle 3832 -prefMapHandle 3828 -prefsLen 26437 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {eda73cc1-ac65-406b-af05-8c4a155dfef7} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 3840 1944f462858 tab
              3⤵
                PID:1188
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.4.991658125\478260811" -childID 3 -isForBrowser -prefsHandle 4972 -prefMapHandle 5056 -prefsLen 26577 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d337f000-c020-4157-9784-aaa73238e27b} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 5052 194699eb058 tab
                3⤵
                  PID:932
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.5.1834898344\1879463484" -childID 4 -isForBrowser -prefsHandle 5148 -prefMapHandle 5004 -prefsLen 26577 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ee51ef8e-ce0c-4931-87ff-95d8c1947185} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 5000 1946a180858 tab
                  3⤵
                    PID:4304
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.6.222177097\829617005" -childID 5 -isForBrowser -prefsHandle 5264 -prefMapHandle 5272 -prefsLen 26577 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {99866dcc-0525-43f8-ab8f-fe7d588cde1c} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 5296 19465780458 tab
                    3⤵
                      PID:628
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.7.1125663829\1049409111" -childID 6 -isForBrowser -prefsHandle 5532 -prefMapHandle 5536 -prefsLen 26752 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3b01fc41-3b95-4c92-a4cb-66b6132abaa9} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 5428 19469ae0558 tab
                      3⤵
                        PID:3896
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.8.1220156029\1353254670" -childID 7 -isForBrowser -prefsHandle 4088 -prefMapHandle 4116 -prefsLen 27272 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {35d0571b-3b2e-4b90-bdb5-1fd4fb20aaa9} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 4580 194699eb658 tab
                        3⤵
                          PID:5776
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.9.1635385749\1759615154" -childID 8 -isForBrowser -prefsHandle 6376 -prefMapHandle 6320 -prefsLen 27272 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fbbb69b0-5916-4d89-837b-8f1f1de6b615} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 6492 19468115658 tab
                          3⤵
                            PID:5988
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1656.10.1269495362\686701060" -childID 9 -isForBrowser -prefsHandle 6736 -prefMapHandle 5000 -prefsLen 27272 -prefMapSize 232675 -jsInitHandle 1400 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4a85696d-3dcc-482a-b684-73d00103b238} 1656 "\\.\pipe\gecko-crash-server-pipe.1656" 5596 1946a642858 tab
                            3⤵
                              PID:2652
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:5472
                          • C:\Windows\system32\OpenWith.exe
                            C:\Windows\system32\OpenWith.exe -Embedding
                            1⤵
                            • Modifies registry class
                            • Suspicious behavior: GetForegroundWindowSpam
                            • Suspicious use of SetWindowsHookEx
                            PID:6120

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\activity-stream.discovery_stream.json.tmp

                            Filesize

                            136KB

                            MD5

                            236ddaed935637088cf76323ad87af95

                            SHA1

                            054d31a457974ed52c8b420781fcac1931d88a8a

                            SHA256

                            75a0da6bf0c0169265ff0877d4335347e339b6dc89b37e9d4d78d32487f40861

                            SHA512

                            152b83c28ffe034fe45b5187fadafdc7c0e3c4712450a12ced2dfac2620d88a4edf74be10c23c607b876bfad485cc578fbd839890ba345b2bd5dab866abafda0

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\prefs-1.js

                            Filesize

                            6KB

                            MD5

                            ca79b4e71d3a2e2e7c3482de2cdd7128

                            SHA1

                            616166821a54cb0504640f936f154e333bf08e4e

                            SHA256

                            7fadcd36e1704bf1b42e78d7e7c554fbbd66775c3c5d2e0be53b5d9c2157f6b5

                            SHA512

                            dc3fd48a55f5843cb8397e05171be84b8d05768e92f291cfb975bc8168fe8a76a47f62974c670de39ce12dc436bedb5c5e6c470393ce1012a37098a1fb0f342b

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\prefs-1.js

                            Filesize

                            7KB

                            MD5

                            133aefaa1df28cfec13b1585c31e95cf

                            SHA1

                            f00486d41b961828815a3133f885d4fd93b0cf4c

                            SHA256

                            4b0f0d86c96c025a256bd69b89a57385dccee9d6336a7533664184d7fb183f66

                            SHA512

                            420defbc990b9fa0b3d4cb60caa8f448df3b26c216310670897dc47a4060a0730df355c91381d1e0ca0ea62b032032c6f2629a0bf849c0eb96dcfd61a702103b

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\prefs-1.js

                            Filesize

                            7KB

                            MD5

                            f4909fd2de1ac227a48133c5b20361a6

                            SHA1

                            9c7f110496801a43ee07548bb03e8a4bf50071c9

                            SHA256

                            495e34532395853644f6a693c8c4f10c62eb1d5dd28c9fcedd634be5135c6f23

                            SHA512

                            be53d923139f3698a94a917736fe9d831bdc06529df6565208a0d1842d3b4e7da63e154d9d5cdee1d631829fe67c7dd5858aeeb0dbf9e903bad939d1e07a8200

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\prefs.js

                            Filesize

                            6KB

                            MD5

                            aaaa0949fe52416d03b22d0633193901

                            SHA1

                            2976caa9c14e97c1ca884ace63ce95a6e6d565a5

                            SHA256

                            bc48b2168c8ca18201eb20fc15e676303c08af0642dbaa4c8d9415ca6d3e6e34

                            SHA512

                            68ab0c461e9c90d278d7a21d41a837f8dc639ea461dda91687b8d73133111407f7e6c967972ca454847bcbd8bae8cc8434151c2e0f92f0976ae49d8c730d3812

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\sessionstore-backups\recovery.jsonlz4

                            Filesize

                            3KB

                            MD5

                            efc6107b1a9c8a84d6a673326d97c1bd

                            SHA1

                            8b7e25081cef7171e8073f97a13b7ad8cb54df98

                            SHA256

                            5ec326597d9101ae000bc934a9d7560b5e6ee5c862111efb8cc106475812acc5

                            SHA512

                            4ea890cb15ee9bb7beb14560c95503aaede457f9842aa255cfca4a7482933fc126c4b9ba6ee522a125b6dd44af107a26387097d04d426e84a4688ebf5aff7ab2

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\sessionstore-backups\recovery.jsonlz4

                            Filesize

                            989B

                            MD5

                            7e0e3cba8cda130694c73d91b2a694a2

                            SHA1

                            9a46fe8661e010791235ba16a548d6863a1becc4

                            SHA256

                            f98708c8e7066f582ec2443ebf2bfee7620b2b18de0e8d9701906b09e5ba67c0

                            SHA512

                            3a68a033f7b965ae3557724b1e0fb494fdf1e51957713b1eb7db1e6e866d26b83d7b431451b55d715863d7210b0c2064f12d85128804a9e86bd13d0fd35a9a7c

                          • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\rzyhfx4n.default-release\sessionstore-backups\recovery.jsonlz4

                            Filesize

                            3KB

                            MD5

                            b6f022b29c211a6b27d0961396d1b75b

                            SHA1

                            d4fa1aa0e6d5487bbec37d154a42c39d813c8fc0

                            SHA256

                            3416bf675e8738ae06326dcfa725f2c41aed44f43dbb4355a71a63555f44f090

                            SHA512

                            0c4c4db72d313103b390c884efda79bc5812f5a035929ffa276b47dd2f4054218f1708acab7f406395366c243b4c430707f5a805f37f30512a2e2f630b8e1126

                          • C:\Users\Admin\Downloads\20356896630.zS7HrQga.uue.part

                            Filesize

                            29KB

                            MD5

                            148d09704f09ba689f0ff5386fdd275d

                            SHA1

                            169bde92e96bba33a2975049b23d3c6e48277220

                            SHA256

                            3e80f7ade8415760f90492c54432a17097faf22b742be8edb3be1eb329ceac86

                            SHA512

                            00cb6111fb8dbe92c4f8e4fc3afe90a9271072f1b239cfe4a0e77f5ecb9c86fe2cc52331ab843a3aaa0180f59fa5fd297bc9b74bbb6523cf334a6f6afdcee6c7