e534faf70c493b329374752e9da30c16f56f52eb41c87fea9baa1c169ab914fb

Analysis

max time kernel
146s
max time network
130s
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, 04:16

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General

Target
4a6a5453dda7a12f85e62785510cbb4a.pdf
Size 87KB
Sample240108-ev99mabhh4
SHA256 e534faf70c493b329374752e9da30c16f56f52eb41c87fea9baa1c169ab914fb
MD5 4a6a5453dda7a12f85e62785510cbb4a
SHA1 c90d514fa1ff9f98a0d5084ccbb79573d0b08eb9
SHA512 7527c3e90a7944677b6a9b1d425d019d80720021906f5e0e99193d5e4e96642fa8389336af2fb2761d99d744fd9d0817ef2b7f86df2566e3fcc7a0a0586f4d67
SSDEEP 1536:YE5Ls/oKIOoQ/m3lYL4mdpMLO0hMbvzpU06/98Ef8c+Wwb0WUAcLWQpOC8g+:fLk+eLZeLO0iXO06/9wPvc2Cs
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3132	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe
3132	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 4124	3132	AcroRd32.exe	91
PID 3132 wrote to memory of 4124	3132	AcroRd32.exe	91
PID 3132 wrote to memory of 4124	3132	AcroRd32.exe	91
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 3968	4124	RdrCEF.exe	92
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93
PID 4124 wrote to memory of 5064	4124	RdrCEF.exe	93

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\4a6a5453dda7a12f85e62785510cbb4a.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:3132
- 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:4124
- - 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=60CAEEFAB6752D527D12A80B521D5D30 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=56864688D7A91B0CBA3AE15D3B25C3E8 --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=56864688D7A91B0CBA3AE15D3B25C3E8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    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=D4B81D779C6E3C53AC9D4D8C1FEFF8DD --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3456
- - 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=2E11A2E80C0F5242F695ED739832123B --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=2E11A2E80C0F5242F695ED739832123B --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1004
- - 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=B7A4F5352D69A153F024959057D9CAAC --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4304
- - 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=3F8ACA8E137DD4A41EB9ED2387C73232 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2908

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 b2fd6d71ef06a35c0439d1a31852ad36f46e137e3ef2752aabb9dea1d55105ba
MD5 f8595c96698d2ac5d376deaf36cdd9c4
SHA1 663afd8b4d57685e7524c29d786f69263206a05e
SHA512 113e65631466a7699b9751bc97d5d764885484aa26beb9e652a63f6f6d9ea1791857530d3664ded2f03429629bbced46c85a9e9ded10f39803af33a195373009
SSDEEP 384:yeGdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:N+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/3132-28-0x000000000C7A0000-0x000000000C7C1000-memory.dmp

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