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Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 10:16
Behavioral task
behavioral1
Sample
1684d03b7b67ec0bbd56b2d5f5b4f707.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1684d03b7b67ec0bbd56b2d5f5b4f707.pdf
Resource
win10v2004-20231215-en
General
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Target
1684d03b7b67ec0bbd56b2d5f5b4f707.pdf
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Size
99KB
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MD5
1684d03b7b67ec0bbd56b2d5f5b4f707
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SHA1
e19c413a66066d313364bd56968dcccac8f14127
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SHA256
d540ee1b6f0fad6164ce68c4667e2a7a5a83082964a97222fbd6115045452b45
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SHA512
afaee837f464a8c65eb4b336e8310c40519f12e15e6b2eb63be397e2fa9f3a0122168045e3efd44de80f25a782ada022b1d6e5d6fc97fd7aee38bd9bf61b3099
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SSDEEP
3072:eb8UDEWew58pfbZtp2NsR+BhPzFIMXTzzt/29:ewIee8pXsN3Y7
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4460 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe 4460 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4460 wrote to memory of 3488 4460 AcroRd32.exe 92 PID 4460 wrote to memory of 3488 4460 AcroRd32.exe 92 PID 4460 wrote to memory of 3488 4460 AcroRd32.exe 92 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 3744 3488 RdrCEF.exe 94 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93 PID 3488 wrote to memory of 5000 3488 RdrCEF.exe 93
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\1684d03b7b67ec0bbd56b2d5f5b4f707.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:4460 -
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:3488 -
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=12BEB285BDF1483D78712522D9FB478D --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=12BEB285BDF1483D78712522D9FB478D --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:5000
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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=D87C21F018F862B67AFE7105176EE861 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3744
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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=9E140970084182DE6CB8E7C1CB5F3260 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4796
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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=927621D2A0BF8DD0C88A76085F180260 --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=927621D2A0BF8DD0C88A76085F180260 --renderer-client-id=6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:3684
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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=5C440F3ADFF977193078D676FF74DDAA --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3628
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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=0B58FA828CA70AFE62B958DC03D53C58 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2084
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4924
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD500f6f259faf85d3a0debb70303cef216
SHA1d62148e51f9b99f7a2a5fc333e920af29e27e4cd
SHA256856672b988a7b041983ec8321c010b69e8332091d2e98376aaf1d5951e1bc748
SHA51254c856746a2906f4edf4bc0086a0a5244e68dab55ab7e4bafdd224c9b1053cd654bc325eb24e28b4717714f976500502a653329f7cf62ba450f0b295284da690
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5