f8c14c01d93679b3ea101257879b9dca8546e516c50c2310306f117d7ce2e051

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
13/11/2023, 09:50

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General

Target
907 707.pdf
Size 918KB
Sample231113-lt13wscd85
SHA256 3293ac05bc8a0f193f7a91875ba2eca27aac140399fab0b2fb1e66a3cc143a0c
MD5 bcf2f0ebce0e71268276b5928e843bc6
SHA1 7b090cbc0d6d4eb5b7afca2c509fc5e1e7aed3bd
SHA512 520987b6d9bd6851b9d52a4b463ba4a15fd25988010d8ceab2db3bc0683c6831f8ad48f7883bef93df69ebdf5f33dc6c95d8469cb0a7d9ee569d903c495cadc3
SSDEEP 24576:rTEmejGa3yO7b7AWivbifP/Tpd119h90Cc0000AwH3N:rfaCOnJijirp719h6r9
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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2536	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe
2536	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 3956	2536	AcroRd32.exe	95
PID 2536 wrote to memory of 3956	2536	AcroRd32.exe	95
PID 2536 wrote to memory of 3956	2536	AcroRd32.exe	95
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 2284	3956	RdrCEF.exe	98
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99
PID 3956 wrote to memory of 620	3956	RdrCEF.exe	99

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\907 707.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:2536
- 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:3956
- - 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=833F67FCD3B36A5815480B6CE380F1F1 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2284
- - 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=42B0438901C7F1CDB5B4C704709CA89D --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=42B0438901C7F1CDB5B4C704709CA89D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:620
- - 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=8FA5DECAA14903A1737E546CF40AAA47 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=FDB5328051582D5A5666609B016E57EE --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=FDB5328051582D5A5666609B016E57EE --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4992
- - 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=B0A678493FD8C925D8ED4BDF19E77957 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2952
- - 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=C1502BF6C202285D8C5895C083F7C215 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2972

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3788

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 8fa9152c755707303a4a0eff2ec8b49d83911aea7e0798f304594ed8a38c4898
MD5 ed1f3049de04d2d1724c5ca5abbf9145
SHA1 ab41dba0d4df6359aad10c2dd401f980120f01bb
SHA512 a2201b38ccbbc958fcdfa3dfef50dc5a85980e9efe433d9f13f6ab8f7b3ca290aac3e12952f0f8463b568b34a06463b9fe4605e95711f9137c2bee4c543aef1a
SSDEEP 384:yewdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:L+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/2536-26-0x000000000A020000-0x000000000A041000-memory.dmp

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memory/2536-130-0x000000000B470000-0x000000000B5BD000-memory.dmp

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memory/2536-132-0x000000000B470000-0x000000000B71B000-memory.dmp

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