Resubmissions

12-05-2023 11:43

230512-nvjw4sch74 5

12-05-2023 10:57

230512-m2bzeacg59 10

Analysis

  • max time kernel
    20s
  • max time network
    24s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2023 11:43

General

  • Target

    SCI_1022117443_3102810.pdf

  • Size

    680KB

  • MD5

    ac4255be6fae0c5ccb0598bc10fce105

  • SHA1

    1a29f996d5ffe867578e32f3a640c8d0a696f011

  • SHA256

    639bf66106f578e5b7bb31ee5786c3e5788b13353314db6eab74d9f365d9c590

  • SHA512

    77ba86cb420596161421c10b9137014e5a738312c5614d15697f7cb2471a4b6724d4a7204e573a6c5bd3483abc032ec5574e6d97242dc682feb248de815da10d

  • SSDEEP

    12288:xYM5yMxbT9qBsRPeT9S84fCs3Yy3gIa/0AFBu+xD6SuB0wkPCYBhxngXJ1WY5:xGMxbzPeTo7f3Ba/0+u+xDuGX5hlgHL5

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 7 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 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 (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\SCI_1022117443_3102810.pdf"
    1⤵
    • Checks processor information in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2EE608097F6BE09FAF9B6C265E0990E9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        3⤵
          PID:872
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=09185D1ADE116023AEE32B7B9FBF0EA9 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=09185D1ADE116023AEE32B7B9FBF0EA9 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
          3⤵
            PID:3424
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=023B5B7970D4AF3B7B27B8E41B7D3041 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=023B5B7970D4AF3B7B27B8E41B7D3041 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
            3⤵
              PID:1096
            • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
              "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=025223CB60F13E65D7EB083FF8C452D0 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              3⤵
                PID:1168
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=ADDC9603E7EFF28216681CEEE0CCCD3C --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                3⤵
                  PID:1376
            • C:\Windows\System32\CompPkgSrv.exe
              C:\Windows\System32\CompPkgSrv.exe -Embedding
              1⤵
                PID:440
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe"
                1⤵
                  PID:448
                  • 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
                    PID:2836
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.0.367843534\1500871043" -parentBuildID 20221007134813 -prefsHandle 1836 -prefMapHandle 1828 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ace83a59-c836-4a28-b5b1-84163cef7d6c} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 1916 1930d3e4558 gpu
                      3⤵
                        PID:2800
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.1.787593330\2077218996" -parentBuildID 20221007134813 -prefsHandle 2304 -prefMapHandle 2300 -prefsLen 20926 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {699032c8-d8b2-4ea3-898f-b1520c91e30a} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 2316 19300471958 socket
                        3⤵
                          PID:3212
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.2.1625828837\1466287991" -childID 1 -isForBrowser -prefsHandle 3132 -prefMapHandle 2728 -prefsLen 21009 -prefMapSize 232675 -jsInitHandle 1456 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {30a80b16-34a7-4f25-a065-c2d65fcb585b} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 3120 1930d379b58 tab
                          3⤵
                            PID:5012
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.3.1146544947\1881157988" -childID 2 -isForBrowser -prefsHandle 3548 -prefMapHandle 3560 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1456 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ef585a9e-6ed7-46c7-85f1-c6edf4ffd8ab} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 3528 19300468758 tab
                            3⤵
                              PID:2236
                            • C:\Program Files\Mozilla Firefox\firefox.exe
                              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.4.1436450373\1834662702" -childID 3 -isForBrowser -prefsHandle 3828 -prefMapHandle 3824 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1456 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a522a930-47db-4650-aeba-ad2b560c95de} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 3836 19311e1f158 tab
                              3⤵
                                PID:456
                              • C:\Program Files\Mozilla Firefox\firefox.exe
                                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.5.2133444782\1711192950" -childID 4 -isForBrowser -prefsHandle 3008 -prefMapHandle 4800 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1456 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d25652e6-180c-4591-8fa7-7d65ec0f2626} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 4880 19312aae258 tab
                                3⤵
                                  PID:4308
                                • C:\Program Files\Mozilla Firefox\firefox.exe
                                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.7.1352258896\1740503851" -childID 6 -isForBrowser -prefsHandle 5356 -prefMapHandle 5360 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1456 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8d6f1899-16d1-44bc-9115-2856c3d87fa2} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 5348 193137c2358 tab
                                  3⤵
                                    PID:4284
                                  • C:\Program Files\Mozilla Firefox\firefox.exe
                                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2836.6.1369892237\732165220" -childID 5 -isForBrowser -prefsHandle 5168 -prefMapHandle 5172 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1456 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {be3f1775-c098-4e97-9029-f35ae541dec2} 2836 "\\.\pipe\gecko-crash-server-pipe.2836" 5160 193137c3558 tab
                                    3⤵
                                      PID:4564

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\activity-stream.discovery_stream.json.tmp

                                  Filesize

                                  148KB

                                  MD5

                                  76d99bceb50284dbae22502daaae2b4a

                                  SHA1

                                  263d62ee5f67525a43650ff71ed78b40b8aad7b5

                                  SHA256

                                  3a9e82c00e676990577741a094bdd6d76cf11bb40d6416d3bf9881a017216fae

                                  SHA512

                                  9e69cb26c336258d55de521699ead080c5458af50edf273030e05eab2cb8581bc268009774ff86bcabac24504fbd2392b7e396ed9d85b21e22790b0aa6d59444

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs-1.js

                                  Filesize

                                  6KB

                                  MD5

                                  66f439b8f5a246d40a2839f98f01154f

                                  SHA1

                                  19d75b9cb548a992d09d13db099e66f59cb3de36

                                  SHA256

                                  a461f1c2e7a1033d52ad6f40fa1364dead250dc93b348c28c261803d12a067ec

                                  SHA512

                                  0893e4be912918286e63707b2b02ba1a2e65849c68c5c51f98e63f5ca2f9c854206c1de4d0d781f095c520ad208ffe20cbed5ba012356449652f0c8eca252f30

                                • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs.js

                                  Filesize

                                  6KB

                                  MD5

                                  2ca68eec3c1fdbaa1ae996ee759fc3c8

                                  SHA1

                                  54363409a7393613ff528d0488d1cc16796ef2d8

                                  SHA256

                                  4fe10ac0c622a99629804d64c89b59339a12a63ffb0b56132bfe39ec9b25aa1a

                                  SHA512

                                  e2fdc625ee7d3e54c1cca72810eccccc3f493253319dad56693d77904692830302564897d7d9c33b876f645bfcd1a5498be9be81bb18932e3333d00ca3408c12