Analysis
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max time kernel
144s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2024, 14:02
Behavioral task
behavioral1
Sample
b793f336e47b2edc5cf6aea89c6e3a37.pdf
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
b793f336e47b2edc5cf6aea89c6e3a37.pdf
Resource
win10v2004-20240226-en
General
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Target
b793f336e47b2edc5cf6aea89c6e3a37.pdf
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Size
78KB
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MD5
b793f336e47b2edc5cf6aea89c6e3a37
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SHA1
445841fe21301e6ea47499ed7a1578110e2a7179
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SHA256
ee78a196a35a6b31901f6265ee1b45c07becba7f72261fcafa56db9a796f63ce
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SHA512
3d0f4d13527d64d51edcfd1d056ab96c46de87cd7e5c9a55167e318a1af6a161815110a86249e58e14cd37bef34f037d78de6d33d64604429304e272a90d7fcb
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SSDEEP
1536:n+u1Af1lfo0mW1QVmpd2cjc+2JJ+WkNpOPzMqOiWokmoRt8D:6f1l5km6v3zjPz/O/moRm
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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1056 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe 1056 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1056 wrote to memory of 1736 1056 AcroRd32.exe 94 PID 1056 wrote to memory of 1736 1056 AcroRd32.exe 94 PID 1056 wrote to memory of 1736 1056 AcroRd32.exe 94 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 3004 1736 RdrCEF.exe 95 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96 PID 1736 wrote to memory of 1636 1736 RdrCEF.exe 96
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\b793f336e47b2edc5cf6aea89c6e3a37.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:1056 -
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:1736 -
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=BF16C68DB816E0DC69177E766DB26107 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3004
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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=24DE98FC19295C96A9EA7B0A11AC9ED9 --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=24DE98FC19295C96A9EA7B0A11AC9ED9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:1636
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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=DA4B7C475E77B6437A60F4968BA09E6B --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4016
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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=3724C21CE36A0056DC12FE4ED8197925 --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=3724C21CE36A0056DC12FE4ED8197925 --renderer-client-id=5 --mojo-platform-channel-handle=1864 --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=1221DD60171358DED07127FEA224DFB9 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4192
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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=9716C6A8AD4259A1107228E71D0C3265 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4072
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD560674806c91bd263bfb04abc3e45822d
SHA10e80093510e8b7a4f09be4988cae432c4b691156
SHA2568b384928d8e1297e07462ea3b24f15c313018b937f923209df8cb7857e744114
SHA512420998c6526dbb978b5c42aa6cb9ac0eb217f91e26699618220c4344da3f03f9726c1e18b0373651053895e01fa8f04b0c7187467a2e76981c00285b5f5b8516
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5