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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15/03/2024, 22:55
Behavioral task
behavioral1
Sample
cc77cc3f83a6575fa44e4ab5a281b488.pdf
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
cc77cc3f83a6575fa44e4ab5a281b488.pdf
Resource
win10v2004-20240226-en
General
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Target
cc77cc3f83a6575fa44e4ab5a281b488.pdf
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Size
82KB
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MD5
cc77cc3f83a6575fa44e4ab5a281b488
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SHA1
b2b97e6d0710144cfde1588d31edd0c5ff219772
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SHA256
073e00a6579ee7fd92bad65def75f27f8d44ad097b80042c2356b8931a62702a
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SHA512
c9dc3019f09b50cc02cc69a72bca683a567796b9feb553d3309566508f64bb3fd0e8a333181d651ad1ee0726e51293b751fac5982e3c20133c20d53bfabb9cce
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SSDEEP
1536:GBfsj1nP4Jx1FdZjXy9QbavylNv8y5YWD+B2q8WhJifc7HGiinLVUF9WjmXmG:IWxMh29fq72WZaJijiinZUF9WjmX
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3444 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe 3444 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3444 wrote to memory of 1764 3444 AcroRd32.exe 95 PID 3444 wrote to memory of 1764 3444 AcroRd32.exe 95 PID 3444 wrote to memory of 1764 3444 AcroRd32.exe 95 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 1620 1764 RdrCEF.exe 96 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97 PID 1764 wrote to memory of 3996 1764 RdrCEF.exe 97
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\cc77cc3f83a6575fa44e4ab5a281b488.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:3444 -
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:1764 -
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=741D746BE8925FC419B5DA08B3727D00 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1620
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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=9DEBBA38CD19276ECAA197254F05C7EE --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=9DEBBA38CD19276ECAA197254F05C7EE --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3996
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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=E8FD37341683D2EE4CC410D916A0D02A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1696
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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=8194AB4681EF02EA43B283725211FCE6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1704
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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=73CB8AD1E3E355CDC1876BE86B056413 --mojo-platform-channel-handle=2212 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2996
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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=C777E42BAB481F7CCA714584997E6682 --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=C777E42BAB481F7CCA714584997E6682 --renderer-client-id=7 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job /prefetch:13⤵PID:4440
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4820
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD52c65a823a293fe0a08efc559d53baafc
SHA1490510faf8234fd0bf035abc77c3e3e873c483cc
SHA2566d66e3c87cdefa1c8b2ab46e93bd3162f91be969c52f4387926d6c8eb4aa0957
SHA512308cbff8c2ae0b2eed09cad3d701d7d676bea8c5da3bac348c31a40dd56b8e22620b4ec0a5e2b99a01575e65d516dd24b47d903a617114b688506c4504f55dce
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5