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Analysis
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max time kernel
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
01/01/2024, 00:29
Behavioral task
behavioral1
Sample
3b73eef9e4414bdce835ed29f324d521.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3b73eef9e4414bdce835ed29f324d521.pdf
Resource
win10v2004-20231222-en
General
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Target
3b73eef9e4414bdce835ed29f324d521.pdf
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Size
76KB
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MD5
3b73eef9e4414bdce835ed29f324d521
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SHA1
c4c86ae9d8660bac75553ec242048210c5fe0330
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SHA256
8e784475dcc0e703ff4f95991130378a34488a27d188288dacde541ec4b60772
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SHA512
d7c778769c27f43f5a5be114d7924b28e092ae4846b7eb271588578673c58d77565e9eb7cf1eb83a66da064dc267c3d21bf22225b4a6ce5469acbf0fdbd55579
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SSDEEP
1536:SIbbyHWXFPwgoMy9kxMh56z8H7QoM2WQw/FEWCpOViXS8ZldlneJm:H5lynuz8bQoML/FNViX/Lz
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2496 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe 2496 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2496 wrote to memory of 1572 2496 AcroRd32.exe 91 PID 2496 wrote to memory of 1572 2496 AcroRd32.exe 91 PID 2496 wrote to memory of 1572 2496 AcroRd32.exe 91 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 3684 1572 RdrCEF.exe 92 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 RdrCEF.exe 93 PID 1572 wrote to memory of 1156 1572 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\3b73eef9e4414bdce835ed29f324d521.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:2496 -
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:1572 -
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=97AD55AB5C0AAE73850CC7208D69C174 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5AD5237FFEF88B8545E678E372852D72 --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=5AD5237FFEF88B8545E678E372852D72 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:1156
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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=2D4D72BCEAFBEE22EEA1DA4717B0C3B7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:540
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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=5718EC24C1BA02E0DA5F16E7DD8D87FB --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=5718EC24C1BA02E0DA5F16E7DD8D87FB --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:13⤵PID:2612
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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=02A3E6246ECAF268E22A2FFEA64EE62E --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3276
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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=969C58759BC182F41FC294A86BF99CCF --mojo-platform-channel-handle=2668 --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:3836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5096ae9b115c7b90372ad4a2767778bae
SHA1422f7fdb83eb490658818ab42bb32f17a5061f6a
SHA256c4774203204e584066177a5e65e9f6b5ae96116130396c87e46dd7b9d5532d73
SHA5127121116cd7288cfbf059b363dd91a002c918e849f9a72ce1f2eaba28989eec39ae127f69c792d6cd40a0be2c0210bb1064a1535955f22a6f6be292db76800721
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5