Analysis
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max time kernel
141s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2023 10:42
Behavioral task
behavioral1
Sample
0af44c21a991605a217698b2cc8faa4c.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
0af44c21a991605a217698b2cc8faa4c.pdf
Resource
win10v2004-20231215-en
General
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Target
0af44c21a991605a217698b2cc8faa4c.pdf
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Size
74KB
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MD5
0af44c21a991605a217698b2cc8faa4c
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SHA1
eb6fbbe176119a7270c8760ca738d54af74000ed
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SHA256
1803386e22a06e248cd06dcf7515a50f1fb4f8bbb3d6d8b8b72c889c1ee82ad9
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SHA512
d13f9fe4adb0ce61f3d32221a5253c351af789b852580601a307772f76bdc956401139e3cee527fea875a99bb601a538564fbe11f2561288fe339a676ef3aa80
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SSDEEP
1536:0PgCgiJ7LGgCC53SB2h/vc0S9dMxaiDwcGU+wlej1vEWxApOGzWFmwr03tYUpR:lCgixGgCC53mSycgPR/wS1d3G6ZEtYw
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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4992 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe 4992 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4992 wrote to memory of 4176 4992 AcroRd32.exe 93 PID 4992 wrote to memory of 4176 4992 AcroRd32.exe 93 PID 4992 wrote to memory of 4176 4992 AcroRd32.exe 93 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 2300 4176 RdrCEF.exe 94 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95 PID 4176 wrote to memory of 3604 4176 RdrCEF.exe 95
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\0af44c21a991605a217698b2cc8faa4c.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:4992 -
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:4176 -
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=4F2F15B8923492DA2CA824781C8CD547 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2300
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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=396F7786EA9CB0F160E3D8A72197D04D --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=396F7786EA9CB0F160E3D8A72197D04D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:3604
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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=DD441BE17D849694364E0D3405DC5524 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5020
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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=A095F3F742E90753EE2E7B8AC7F581BB --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3820
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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=71612234F712924EC7EC2EBC7D6876FC --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3148
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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=9BFC0CB46CAF7BE459DC6B6B83979D17 --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=9BFC0CB46CAF7BE459DC6B6B83979D17 --renderer-client-id=7 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:13⤵PID:2460
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4156
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5f9f95e46454a9ca6d5448b2455fa7721
SHA1618f1d8188159438d99fa6eaac4978eabaae5824
SHA2564ea4eacfc1230cfe7b3309ca2929c4d9e7cb17a6556850881a642757f96417b0
SHA512dabc5a1db167c0d8ae0899a06f570c09885113e4b2ed119e46f75e643b1e0214d570ed6e454310f81cc93405f3fda0f69b783983b991d1e720c3fed5887027a1
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5