Analysis
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max time kernel
142s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23-04-2024 09:51
Behavioral task
behavioral1
Sample
20240403 - LLA phishing incident reported TLP AMBER V1.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
20240403 - LLA phishing incident reported TLP AMBER V1.pdf
Resource
win10v2004-20240412-en
General
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Target
20240403 - LLA phishing incident reported TLP AMBER V1.pdf
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Size
770KB
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MD5
4d23f9017c5a86c1f03a303a2b51cf73
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SHA1
acee7f381030d1011d01ef839e04208a2f90de45
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SHA256
581926400593629e66631e28ae5fb343281cd7443f18fdf90e204bdb0f726f90
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SHA512
97d055cee4aba66141cc30903dd9cadf5b38da164bbf1280510792bb0249100693d6e59f21855351a952bf0a9ef7cf1c871b14d3a6d2fed5ef5f258733fba924
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SSDEEP
24576:bKLXny+D28u18JVRNWgGQCYEH9lgJis1z426T:bKLXy+C8u1uNzGQCF9lgJis1/6T
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-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 3548 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe 3548 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 3548 wrote to memory of 1344 3548 AcroRd32.exe RdrCEF.exe PID 3548 wrote to memory of 1344 3548 AcroRd32.exe RdrCEF.exe PID 3548 wrote to memory of 1344 3548 AcroRd32.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 812 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe PID 1344 wrote to memory of 4708 1344 RdrCEF.exe RdrCEF.exe
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\20240403 - LLA phishing incident reported TLP AMBER V1.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:3548 -
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:1344 -
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=999DE8CE86D79E09C4866544C966F03D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:812
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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=433412EE260B53FC719A109234E404A1 --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=433412EE260B53FC719A109234E404A1 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:4708
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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=062FF2B54D4BCBD19A7FB2A9F0AB0AAA --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1712
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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=270F62C16309AD1D8E328DBAA1F9EC13 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2036
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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=468CB9E132EF05C7E089F2B410010A3C --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=468CB9E132EF05C7E089F2B410010A3C --renderer-client-id=6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:13⤵PID:4884
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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=A4DC0F67623F720AEDCF72315BF73D4F --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4372
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3376
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5fc85e7004d7a5a5b59eb4f1300b34862
SHA1c316ce32090337ca09eac7a47f93b85600f79309
SHA256174670b04d6d5dcaef2240260fc2e1f0e94c74398acd574bcd0b6564118d11b9
SHA512db936c75bac4a96c0239f14b23a26e7f101393a06fab53c687c4f32c48cb918d1ffecbaf8d4ee6db4b19022b93fe83b1904f070e665bbf9360cb57500c69988b
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5