f0b543ebcf76a20c67ab98dd7c9d45e8399622b8299803a0856424fd7f0466ef

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 07:31

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General

Target
76c16e39c7e681b48372a64a73e37297.pdf
Size 91KB
Sample240126-jctldaghd6
SHA256 f0b543ebcf76a20c67ab98dd7c9d45e8399622b8299803a0856424fd7f0466ef
MD5 76c16e39c7e681b48372a64a73e37297
SHA1 675f278d90e34a9a05e692b3d1730cf9274efae2
SHA512 f9a342f45f318b202b60cef71b7cf3fba7f6c2e580d4d20413357c8ed3725f0c7c2e0e543dcdfb28251beafd89f09dfe3ace09d73a33a8fcdc7234bc98166c43
SSDEEP 1536:YhDg/95KD67pA54BgHhg7auHoXNCyO7+HHsb5aAox1sWy+kjmEMWy6WXpO/XPo:kD+T9tMEgHHgodCv7+sbCx12KEO6/g
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe
3412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3412 wrote to memory of 3024	3412	AcroRd32.exe	94
PID 3412 wrote to memory of 3024	3412	AcroRd32.exe	94
PID 3412 wrote to memory of 3024	3412	AcroRd32.exe	94
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 2376	3024	RdrCEF.exe	95
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96
PID 3024 wrote to memory of 3380	3024	RdrCEF.exe	96

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\76c16e39c7e681b48372a64a73e37297.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:3412
- 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:3024
- - 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=23AF47CCB58153A65C1A121A329F06F0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2376
- - 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=DE06F50D213F3F5B372F46D72EDB3EA6 --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=DE06F50D213F3F5B372F46D72EDB3EA6 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3380
- - 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=F03B87E2BC042AD3C553957CB0D259C7 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:992
- - 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=64D80E325849248AE67FD72563DBBABA --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5572
- - 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=4E9F2EB82DF63DE0A7B455EDF38AA0C5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=7EEA4DC40C8495377A649D84F2FD15DE --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=7EEA4DC40C8495377A649D84F2FD15DE --renderer-client-id=7 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:396

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 5f69177b80a4a8b0862eeb28628ab297f70e16540bd2bab3096fd96db2b736b2
MD5 05e9012eabfa0dd4694b759224aa32ef
SHA1 08713d72d0da288a094bed6762964e3902063548
SHA512 8dcdb053ad9ae34e216c0b618be4e312ea96ca7a9ff0c3a563fac20dcb0be49b0b413407882e74799cbf2b6268844bdc97e270a54c6fc1cdd3e5e14c94fbe23e
SSDEEP 384:yeDdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:e+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/3412-28-0x000000000BC60000-0x000000000BC81000-memory.dmp

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