ae85d8a997306cba69554f416382dd1497415514627605d4a31d8de79db4b9ae

Analysis

max time kernel
134s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 06:02

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General

Target
2024_05_28 Programm an BEWO_Pens_Angehörige.pdf
Size 186KB
Sample240605-grepnaga2x
SHA256 ae85d8a997306cba69554f416382dd1497415514627605d4a31d8de79db4b9ae
MD5 50d9a14c87172ddb66428dcc0be30bc4
SHA1 054b403be01263f1c9652019401bd56767d16454
SHA512 4446eac6b6fd5578a6c69a0a177949888c02d2cca070fc3148721ed8ab3c74b356236c068cc5d46b92c73d75aa906223c266f75c7224c1fde8b79b76978b9a23
SSDEEP 3072:+GgIdmwzjUKqo3HO5aYgljN14Cq/qdflKKKzcJgucYjhyonHnLeMoHeG2E0AbknV:QId7gTgVn4H/q1DKdu5hLnHnqLHeBEHO
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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe
4388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 2160	4388	AcroRd32.exe	93
PID 4388 wrote to memory of 2160	4388	AcroRd32.exe	93
PID 4388 wrote to memory of 2160	4388	AcroRd32.exe	93
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 2976	2160	RdrCEF.exe	94
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95
PID 2160 wrote to memory of 4156	2160	RdrCEF.exe	95

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\2024_05_28 Programm an BEWO_Pens_Angehörige.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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=785E7A20FE241C4CC3B9B817BC83CB63 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2976
- - 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=118A22057F396C2E4CBFD746BB6FA5BF --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=118A22057F396C2E4CBFD746BB6FA5BF --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4156
- - 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=03A388CE560EB0E3B70DFB01FE403508 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=402268AC0135CB7309DCBA41BF538EA6 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=610D59CA7E911769A6BE648793DEC2B1 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=EAE7A6FA7C4DC755ED6D2E1A12E08358 --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=EAE7A6FA7C4DC755ED6D2E1A12E08358 --renderer-client-id=7 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2936

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4832

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 d810b75f34ca1d703031a091e483e0231dd7480cb12b9661986c3f0ae815ffa9
MD5 e5f969a71f569732f7bbf159f6144d29
SHA1 3ca404e4021f4f16b88a6b6fd413aa2f76697395
SHA512 e3d61ff9950bdadefdb17dd5f45d4483b9d477cf9f484cf34b20f0dbf2da09a765dab5e9ebf6379e3710e3d125c83657e82c32afc4c426dad6da6963d3abe1e0
SSDEEP 384:yesdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:v+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/4388-123-0x000000000BCD0000-0x000000000BF7B000-memory.dmp

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