Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    10-01-2022 09:25

General

  • Target

    VIREMENT 21580.pdf

  • Size

    2.5MB

  • MD5

    fce4a0d8f526c95a85a285f7076382f1

  • SHA1

    7146f746cad5ec7f55ceb9c641294b6f7924b476

  • SHA256

    c100bda8bb9336386078d07827faa55f4247858d3cef1d83fd6c5427790d66ec

  • SHA512

    93be0101be0e69e18d2fc768943a9a4bae9a975d2e25c8afa830e35215ef8886081f20f3eec751a54f316b5938ce3f7fd0a7f57495bcc484aec7333496f422ca

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 9 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

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\VIREMENT 21580.pdf"
    1⤵
    • Checks processor information in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:368
    • 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:924
      • 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=5A09A33E2223D088BEC6D497C3E38865 --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=1 --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=5A09A33E2223D088BEC6D497C3E38865 --renderer-client-id=2 --mojo-platform-channel-handle=1536 --allow-no-sandbox-job /prefetch:1
        3⤵
          PID:3660
        • 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=0D33F55E51817BEF5E244F9C4A480F07 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
          3⤵
            PID:3564
          • 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=5942FA648B6A62D7D498557FFE2EB726 --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=1 --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=5942FA648B6A62D7D498557FFE2EB726 --renderer-client-id=4 --mojo-platform-channel-handle=2096 --allow-no-sandbox-job /prefetch:1
            3⤵
              PID:3228
            • 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=D5233B5CB0F0C6678D542974AA21595C --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
              3⤵
                PID:1856
              • 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=A091B992AE8271A152DF79BF2D012CBB --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                3⤵
                  PID:2668
                • 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=4F3E3AFE0673A43323E4564787A2E401 --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
                  3⤵
                    PID:1440
                • C:\Windows\SysWOW64\LaunchWinApp.exe
                  "C:\Windows\system32\LaunchWinApp.exe" "https://dossier.smb.page/"
                  2⤵
                    PID:356
                  • C:\Windows\SysWOW64\LaunchWinApp.exe
                    "C:\Windows\system32\LaunchWinApp.exe" "https://dossier.smb.page/"
                    2⤵
                      PID:3972
                  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
                    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
                    1⤵
                    • Drops file in Windows directory
                    • Modifies Internet Explorer settings
                    • Modifies registry class
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of SetWindowsHookEx
                    PID:3124
                  • C:\Windows\system32\browser_broker.exe
                    C:\Windows\system32\browser_broker.exe -Embedding
                    1⤵
                    • Modifies Internet Explorer settings
                    PID:760
                  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                    1⤵
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of SetWindowsHookEx
                    PID:3236
                  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                    1⤵
                    • Drops file in Windows directory
                    • Modifies Internet Explorer settings
                    • Modifies registry class
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2000
                  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                    1⤵
                      PID:4228
                    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                      1⤵
                      • Modifies registry class
                      PID:4428
                    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
                      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
                      1⤵
                      • Modifies registry class
                      • Suspicious use of AdjustPrivilegeToken
                      PID:4512

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Defense Evasion

                    Modify Registry

                    1
                    T1112

                    Discovery

                    Query Registry

                    1
                    T1012

                    System Information Discovery

                    1
                    T1082

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/356-116-0x0000000000000000-mapping.dmp
                    • memory/924-115-0x0000000000000000-mapping.dmp
                    • memory/1440-144-0x0000000000000000-mapping.dmp
                    • memory/1440-142-0x0000000077C62000-0x0000000077C63000-memory.dmp
                      Filesize

                      4KB

                    • memory/1440-143-0x00000000015A4000-0x00000000015A5000-memory.dmp
                      Filesize

                      4KB

                    • memory/1856-135-0x00000000015AF000-0x00000000015B0000-memory.dmp
                      Filesize

                      4KB

                    • memory/1856-136-0x0000000000000000-mapping.dmp
                    • memory/1856-134-0x0000000077C62000-0x0000000077C63000-memory.dmp
                      Filesize

                      4KB

                    • memory/2668-139-0x00000000011E0000-0x00000000011E1000-memory.dmp
                      Filesize

                      4KB

                    • memory/2668-140-0x0000000000000000-mapping.dmp
                    • memory/2668-138-0x0000000077C62000-0x0000000077C63000-memory.dmp
                      Filesize

                      4KB

                    • memory/3228-128-0x0000000077C62000-0x0000000077C63000-memory.dmp
                      Filesize

                      4KB

                    • memory/3228-130-0x0000000000000000-mapping.dmp
                    • memory/3228-129-0x00000000007DC000-0x00000000007DD000-memory.dmp
                      Filesize

                      4KB

                    • memory/3564-124-0x0000000000000000-mapping.dmp
                    • memory/3564-120-0x0000000077C62000-0x0000000077C63000-memory.dmp
                      Filesize

                      4KB

                    • memory/3564-122-0x00000000015A8000-0x00000000015A9000-memory.dmp
                      Filesize

                      4KB

                    • memory/3660-125-0x00000000005C0000-0x00000000005C1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3660-121-0x00000000004D0000-0x00000000004D1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3660-123-0x00000000004F0000-0x00000000004F1000-memory.dmp
                      Filesize

                      4KB

                    • memory/3660-118-0x00000000005A4000-0x00000000005A5000-memory.dmp
                      Filesize

                      4KB

                    • memory/3660-119-0x0000000000000000-mapping.dmp
                    • memory/3660-117-0x0000000077C62000-0x0000000077C63000-memory.dmp
                      Filesize

                      4KB

                    • memory/3972-127-0x0000000000000000-mapping.dmp