NEW_COLLECTIONS_2021103296.pdf

General
Target

NEW_COLLECTIONS_2021103296.pdf

Filesize

254KB

Completed

14-10-2021 05:07

Score
1/10
MD5

7b8ff9b4e789b362aba46baf3319659f

SHA1

c0178377d0b865eb27a05b24cf6ed5653908cf46

SHA256

3c1b4cada24bbfaeeefe532af2e120b128827fdb1cb65360d1f766a602acb9bc

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-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATIONAcroRd32.exe
  • Suspicious behavior: EnumeratesProcesses
    AcroRd32.exe

    Reported IOCs

    pidprocess
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
  • Suspicious use of FindShellTrayWindow
    AcroRd32.exe

    Reported IOCs

    pidprocess
    4648AcroRd32.exe
  • Suspicious use of SetWindowsHookEx
    AcroRd32.exe

    Reported IOCs

    pidprocess
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
    4648AcroRd32.exe
  • Suspicious use of WriteProcessMemory
    AcroRd32.exeRdrCEF.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 4648 wrote to memory of 22204648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 22204648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 22204648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 5044648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 5044648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 5044648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 11284648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 11284648AcroRd32.exeRdrCEF.exe
    PID 4648 wrote to memory of 11284648AcroRd32.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 21681128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
    PID 1128 wrote to memory of 23401128RdrCEF.exeRdrCEF.exe
Processes 10
  • 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\NEW_COLLECTIONS_2021103296.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:4648
    • 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
      PID:2220
    • 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
      PID:504
    • 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:1128
      • 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=AB3E6EC21798BF8C36128F670EDB8940 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:2168
      • 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=C7450127E357384466ADB481AEB81A05 --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=C7450127E357384466ADB481AEB81A05 --renderer-client-id=2 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job /prefetch:1
        PID:2340
      • 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=BD02E87E9BAF1C6F4BCA6190B9039355 --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=BD02E87E9BAF1C6F4BCA6190B9039355 --renderer-client-id=4 --mojo-platform-channel-handle=2072 --allow-no-sandbox-job /prefetch:1
        PID:2816
      • 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=2C589FC4BBFFDCD804180B8F72261A8D --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:4388
      • 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=3551084D993D1E131803291EDDD792E0 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:4424
      • 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=85F383842C1DEACA327516A4B7FD9EAF --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
        PID:2648
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/504-115-0x0000000000000000-mapping.dmp

                      • memory/1128-116-0x0000000000000000-mapping.dmp

                      • memory/2168-117-0x00000000775F2000-0x00000000775F3000-memory.dmp

                      • memory/2168-119-0x0000000000000000-mapping.dmp

                      • memory/2168-120-0x0000000000080000-0x0000000000081000-memory.dmp

                      • memory/2168-118-0x0000000001680000-0x0000000001681000-memory.dmp

                      • memory/2220-114-0x0000000000000000-mapping.dmp

                      • memory/2340-121-0x00000000775F2000-0x00000000775F3000-memory.dmp

                      • memory/2340-122-0x0000000001670000-0x0000000001671000-memory.dmp

                      • memory/2340-123-0x0000000000000000-mapping.dmp

                      • memory/2340-125-0x00000000008A0000-0x00000000008A1000-memory.dmp

                      • memory/2340-126-0x0000000001760000-0x0000000001761000-memory.dmp

                      • memory/2648-141-0x00000000775F2000-0x00000000775F3000-memory.dmp

                      • memory/2648-142-0x0000000000595000-0x0000000000596000-memory.dmp

                      • memory/2648-143-0x0000000000000000-mapping.dmp

                      • memory/2816-129-0x0000000000000000-mapping.dmp

                      • memory/2816-128-0x0000000000C43000-0x0000000000C44000-memory.dmp

                      • memory/2816-127-0x00000000775F2000-0x00000000775F3000-memory.dmp

                      • memory/4388-133-0x00000000775F2000-0x00000000775F3000-memory.dmp

                      • memory/4388-134-0x00000000005B5000-0x00000000005B6000-memory.dmp

                      • memory/4388-135-0x0000000000000000-mapping.dmp

                      • memory/4424-138-0x0000000000C0E000-0x0000000000C0F000-memory.dmp

                      • memory/4424-137-0x00000000775F2000-0x00000000775F3000-memory.dmp

                      • memory/4424-139-0x0000000000000000-mapping.dmp