Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:36
Behavioral task
behavioral1
Sample
751c1cf9f829e698f56bfef68f7cfafd.pdf
Resource
win7-20231215-en
General
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Target
751c1cf9f829e698f56bfef68f7cfafd.pdf
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Size
73KB
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MD5
751c1cf9f829e698f56bfef68f7cfafd
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SHA1
dae10f1380824f50106b7b4cc783759481851dae
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SHA256
231235a95edc8f69db96bdc729b166c3c7a88e3124471b15c54178a393a9a367
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SHA512
6b6ff60139898b8f995b6943f30ff0b079f94d5c9e9361dcf852330d72832d76eeae8d7a301484834715dc889ae3143556e67352752daf9f5341c21a508bb207
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SSDEEP
1536:diahHwkC7WWdFf17k1iIluJqBt48Q49YGtW:rhHUdF17jIlFBBDY3
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.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid Process 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid Process 3772 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid Process 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe 3772 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid Process procid_target PID 3772 wrote to memory of 1276 3772 AcroRd32.exe 91 PID 3772 wrote to memory of 1276 3772 AcroRd32.exe 91 PID 3772 wrote to memory of 1276 3772 AcroRd32.exe 91 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3344 1276 RdrCEF.exe 94 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 RdrCEF.exe 95 PID 1276 wrote to memory of 3608 1276 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\751c1cf9f829e698f56bfef68f7cfafd.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:3772 -
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:1276 -
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=8D37054149ED70F47E1A13E2CF27F9DB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3344
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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=B4324F82D4E0CADC745B796C705598A6 --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=B4324F82D4E0CADC745B796C705598A6 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:3608
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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=4EED66838127DD6E5BBA5EAF854F585D --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4036
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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=27768C3307B2FACCC74BFD32FFD7A93A --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1060
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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=74F7599151A69FBB06C505C95F3CDF25 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4928
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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=0F9827EA4C37C6DC17F456437A728640 --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=0F9827EA4C37C6DC17F456437A728640 --renderer-client-id=7 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:13⤵PID:3368
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD533f9044d33e1d43ee081932e648b7abd
SHA14af72aced3c3c595af1243c32170ae423d0d9b63
SHA25657cf20d56b9bb36b574d936025364adf42a89667c40950a99795f9e785a37a68
SHA5125ee0b74572d2b8f389f61dcba0391d7af38bcfefc2bcd6741f6429512d4c493834e527c7aad35452b3dc83e64c675a8b8faee19d4979cec9af6f8f5dc9282fc4
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5