4b2f28b066e2a35caeb4928a87b4fad3c1b5fecafb10925a2a5f183cda9d2332.pdf.000

General
Target

4b2f28b066e2a35caeb4928a87b4fad3c1b5fecafb10925a2a5f183cda9d2332.pdf.000.pdf

Filesize

63KB

Completed

10-11-2021 14:50

Score
1/10
MD5

e2e0f6937b6eba8bf5c790b90bd86f9d

SHA1

b39a01841ff8f6708926e736672a1e18634698a1

SHA256

4b2f28b066e2a35caeb4928a87b4fad3c1b5fecafb10925a2a5f183cda9d2332

Malware Config
Signatures 6

Filter: none

Defense Evasion
Discovery
  • Checks processor information in registry
    AcroRd32.exe

    Description

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

    TTPs

    Query RegistrySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    Key opened\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0AcroRd32.exe
    Key value queried\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHzAcroRd32.exe
  • Modifies Internet Explorer settings
    AcroRd32.exe

    TTPs

    Modify Registry

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATIONAcroRd32.exe
  • Suspicious behavior: EnumeratesProcesses
    AcroRd32.exe

    Reported IOCs

    pidprocess
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
  • Suspicious use of FindShellTrayWindow
    AcroRd32.exe

    Reported IOCs

    pidprocess
    2468AcroRd32.exe
  • Suspicious use of SetWindowsHookEx
    AcroRd32.exe

    Reported IOCs

    pidprocess
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
    2468AcroRd32.exe
  • Suspicious use of WriteProcessMemory
    AcroRd32.exeRdrCEF.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2468 wrote to memory of 9322468AcroRd32.exeRdrCEF.exe
    PID 2468 wrote to memory of 9322468AcroRd32.exeRdrCEF.exe
    PID 2468 wrote to memory of 9322468AcroRd32.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 3948932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
    PID 932 wrote to memory of 4024932RdrCEF.exeRdrCEF.exe
Processes 8
  • 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\4b2f28b066e2a35caeb4928a87b4fad3c1b5fecafb10925a2a5f183cda9d2332.pdf.000.pdf"
    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:2468
    • 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
      Suspicious use of WriteProcessMemory
      PID:932
      • 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=FD3D7E44B45BE36521DCB2A0C2ED055D --mojo-platform-channel-handle=1636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:3948
      • 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=B1661BA9C7E48BE03D752AFABD7EE936 --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=B1661BA9C7E48BE03D752AFABD7EE936 --renderer-client-id=2 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job /prefetch:1
        PID:4024
      • 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=AD65ADB82013E363E0B477658733DE1A --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=AD65ADB82013E363E0B477658733DE1A --renderer-client-id=4 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
        PID:692
      • 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=B26518B4FF271879BCBF3C32578E5E4F --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:3092
      • 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=CF54EDA8025F1ED0B0917E5BCAC604EC --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:3296
      • 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=ADBEECEB778F2483BFAB338464EC9A9E --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:1884
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Persistence
                    Privilege Escalation
                      Replay Monitor
                      00:00 00:00
                      Downloads
                      • memory/692-130-0x0000000000D5C000-0x0000000000D5D000-memory.dmp

                      • memory/692-131-0x0000000000000000-mapping.dmp

                      • memory/692-129-0x0000000077762000-0x0000000077763000-memory.dmp

                      • memory/932-118-0x0000000000000000-mapping.dmp

                      • memory/1884-145-0x0000000000000000-mapping.dmp

                      • memory/1884-144-0x0000000000C9B000-0x0000000000C9C000-memory.dmp

                      • memory/1884-143-0x0000000077762000-0x0000000077763000-memory.dmp

                      • memory/3092-137-0x0000000000000000-mapping.dmp

                      • memory/3092-136-0x0000000000D57000-0x0000000000D58000-memory.dmp

                      • memory/3092-135-0x0000000077762000-0x0000000077763000-memory.dmp

                      • memory/3296-139-0x0000000077762000-0x0000000077763000-memory.dmp

                      • memory/3296-140-0x0000000001383000-0x0000000001384000-memory.dmp

                      • memory/3296-141-0x0000000000000000-mapping.dmp

                      • memory/3948-123-0x0000000000C80000-0x0000000000C81000-memory.dmp

                      • memory/3948-119-0x0000000077762000-0x0000000077763000-memory.dmp

                      • memory/3948-120-0x0000000000D50000-0x0000000000D51000-memory.dmp

                      • memory/3948-121-0x0000000000000000-mapping.dmp

                      • memory/4024-128-0x0000000000D70000-0x0000000000D71000-memory.dmp

                      • memory/4024-127-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

                      • memory/4024-122-0x0000000077762000-0x0000000077763000-memory.dmp

                      • memory/4024-124-0x0000000000D56000-0x0000000000D57000-memory.dmp

                      • memory/4024-125-0x0000000000000000-mapping.dmp