690abf63bf7e071d22aa3e44d29597dbf15ae68150c1ef10269b97d745c838d8

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 00:10

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General

Target
4a241483780c699a298ff6e48ba75147.pdf
Size 5KB
Sample240108-agetcaghbm
SHA256 690abf63bf7e071d22aa3e44d29597dbf15ae68150c1ef10269b97d745c838d8
MD5 4a241483780c699a298ff6e48ba75147
SHA1 fe8c988d14984216439958d4c90d28a8470f88a3
SHA512 c995b0c228282015dec593312b604da61e9d0eefd3274774ee53bfd9501913eaa7a33b0019ad20aea8af6772cea499606072e3b301f49bb9778663b6043c21b2
SSDEEP 96:uJaoRBAs6r+mAndAj/PJXfYpya4kHnFC/o0/kKIfvFeACu7AS2FlVS9sc+qROb8:gRn6imS0XGpyaNng/o0/t+vZV7ASEYmQ
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 5044	3588	AcroRd32.exe	91
PID 3588 wrote to memory of 5044	3588	AcroRd32.exe	91
PID 3588 wrote to memory of 5044	3588	AcroRd32.exe	91
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 1812	5044	RdrCEF.exe	93
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92
PID 5044 wrote to memory of 2956	5044	RdrCEF.exe	92

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\4a241483780c699a298ff6e48ba75147.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:3588
- 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:5044
- - 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=300AD64EF5A510B65056B3BB766EB648 --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=4 --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=300AD64EF5A510B65056B3BB766EB648 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2956
- - 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=6B674628C36B32CE1FE2FE62667E14D4 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1812
- - 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=4074D6B10702A1326B29AA167667F4A1 --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=4 --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=4074D6B10702A1326B29AA167667F4A1 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3696
- - 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=EC6D3B217C118E4072888AE4AA3CF973 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452
- - 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=258E04F1221D13AA70AF691FC1068EAB --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=1E3780B4AC2DBD8B688A5F44B02C0303 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 f1f7f1753c20e7bf945059aa173a09bf45cd91753af319b56c51b4c597e1d40a
MD5 5112471c4b80dd4dcb624f3ed3a372c7
SHA1 c21804afd932d14b16804083fcd62d8dda8e93a1
SHA512 3a7d533e4560f3f88caf01de9aea6375896a842f0b32652353ed0d7a6cf36d6fdc23996f96794b269ba82459a5941fca90f000eee954bce9b758b6551affec92
SSDEEP 384:yeXdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:S+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/3588-136-0x000000000B1F0000-0x000000000B33D000-memory.dmp

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