Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2023 08:30
Behavioral task
behavioral1
Sample
137549b5aa4e84b7f1fda3d4569ab4fb.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
137549b5aa4e84b7f1fda3d4569ab4fb.pdf
Resource
win10v2004-20231222-en
General
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Target
137549b5aa4e84b7f1fda3d4569ab4fb.pdf
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Size
85KB
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MD5
137549b5aa4e84b7f1fda3d4569ab4fb
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SHA1
a3f2c50ab8f5b529351e1e020d77ab16d57a8e23
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SHA256
68cb8b1752dbfb5c9e6be380a428d8e141c8d9120d7c6bb3023dbf93ec7c2d7c
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SHA512
2d1ac7593bb29f1f808fe972ac6823c3eadae66d64036df18e9342b1352e754f4d0df9d911586bb247fd7b5a59067d2832b516c165f707f85ea87ef2e6ad8d9a
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SSDEEP
1536:zcfI/8yROT5YUNMtZPDu6bD6Tc42R4yWBkQzbfZWypOlWWxsSGbZrMewEguUvH5a:J8yRO3+Bd36TcezvClDnUrNw9NP5a
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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 -
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 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4668 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe 4668 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4668 wrote to memory of 1820 4668 AcroRd32.exe 89 PID 4668 wrote to memory of 1820 4668 AcroRd32.exe 89 PID 4668 wrote to memory of 1820 4668 AcroRd32.exe 89 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 4592 1820 RdrCEF.exe 91 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90 PID 1820 wrote to memory of 680 1820 RdrCEF.exe 90
Processes
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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\137549b5aa4e84b7f1fda3d4569ab4fb.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:4668 -
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=165140432⤵
- Suspicious use of WriteProcessMemory
PID:1820 -
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=1E865DAB8476815A331332645DD5B6DC --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=1E865DAB8476815A331332645DD5B6DC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:680
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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=7AD569C9E40755DD13BC557336B83306 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4592
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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=25332811C8A0F503C272A82C622327FC --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:720
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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=90877BDB47ADE264D43F330174A1BADB --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1620
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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=F8C9B12064EC0130F761E8B452BB40F6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4888
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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=331EF5B0B21AA67DD031E7D2AD6CB4FD --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=331EF5B0B21AA67DD031E7D2AD6CB4FD --renderer-client-id=7 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:13⤵PID:4396
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2696
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD517c843d3e5f550f085490f612c5b0a0c
SHA1c8134bf5fd0a60786a829278f061bd52d5247f33
SHA25627b7d35ffcf9f42635b4184069fd643322fcf500b0d94f7269e84a24c008a6e5
SHA5128ee0f6aacdf4e206be0eee7ed2acf50318bdd07935c0c2f5f6dd4f3b3d7836d1c7f3988634f7a87584db61724fd1facedef6f50945ebc4b0d6f3ad6101805a38
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5