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Analysis
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max time kernel
142s -
max time network
89s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2023, 20:49
Behavioral task
behavioral1
Sample
039c30efe92ac612b23f0ce9f7128c41.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
039c30efe92ac612b23f0ce9f7128c41.pdf
Resource
win10v2004-20231215-en
General
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Target
039c30efe92ac612b23f0ce9f7128c41.pdf
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Size
84KB
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MD5
039c30efe92ac612b23f0ce9f7128c41
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SHA1
1a905b8e3f92f5860cee61ea5c1a27664f94d551
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SHA256
3a1c2b0d0876a40ba1e2ddbf53039c332cd31aa23a172a3777fc116e6691f73a
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SHA512
6dddb75baea00f9316710a95bad25c205c9bac7a600ba09062498ada0c4e85608b984465eb67742dc1d1859782ed91c133a24a27c0cad5fca2947a262b520fb2
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SSDEEP
1536:MUT3MCzHTBBpSpVu6fVSKrofE6mNWeALcWX6cGtI2IWspORtsB:n4VnfVSdfE666LD6cGtI2jRQ
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3340 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe 3340 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3340 wrote to memory of 4184 3340 AcroRd32.exe 92 PID 3340 wrote to memory of 4184 3340 AcroRd32.exe 92 PID 3340 wrote to memory of 4184 3340 AcroRd32.exe 92 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 1152 4184 RdrCEF.exe 93 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94 PID 4184 wrote to memory of 4804 4184 RdrCEF.exe 94
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\039c30efe92ac612b23f0ce9f7128c41.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:3340 -
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:4184 -
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=55F54740F8B6E6114392849BA1015180 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1152
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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=C0AD531178702483742869418FFF0284 --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=C0AD531178702483742869418FFF0284 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:4804
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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=C6C777CE216DF9D15FC02A0E339CA020 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2440
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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=37737F8D89E7431EA662F8AF8326F02C --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1096
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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=A31475CC1CFF6F2451A37DE8559AE4DF --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=A31475CC1CFF6F2451A37DE8559AE4DF --renderer-client-id=6 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:13⤵PID:1576
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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=3128C576B63A0F585D29FEEEED08516D --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4948
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2896
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5203f80885a556233b8a8634a990899c5
SHA1ad651ebb1e875a2828ecc987fade778c1023af20
SHA256c0f6fd811478857a4d21d661c84aea6fbcc77e1bf7bd403787857a5168466d30
SHA512b2fcdfa551f7da165cc48f1b3029e30aaae963ee7a2469b5c868fa94557532325665629c5ec2fc287c6403f2c5fb1d5f4bdbaf580bed476fee5eb31632516888
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Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5