Analysis
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max time kernel
51s -
max time network
53s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 14:28
Behavioral task
behavioral1
Sample
Flyer_Sommerretreat_24.pdf
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
Flyer_Sommerretreat_24.pdf
Resource
win10v2004-20240508-en
General
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Target
Flyer_Sommerretreat_24.pdf
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Size
954KB
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MD5
10d49e1e7c8753c278cb9775b78575e0
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SHA1
26c44a911f865e81ecce6ee9dc035122f5b1eb0c
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SHA256
f4dd4fe7728a74296ea799dfeba70450c7dab53bc4425ce2d745cca7e2aef60f
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SHA512
eebd09abaf7fba5b4517aab5d685a807eb7f81c8e2d5bd146b64d3a0ee170d36a050d3e0bc55bacc4cc2767d4cc810fcb5da37dd4bf97bdb8453b767fb17254b
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SSDEEP
24576:aj5Kcy6S2ZVubzQp9U4RMjFKhlefBrNnaPeC47/SAMVM:a5Kjw4bU7gF5HaPG7/WVM
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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 2556 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
AcroRd32.exepid process 2556 AcroRd32.exe 2556 AcroRd32.exe 2556 AcroRd32.exe 2556 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 2556 wrote to memory of 5104 2556 AcroRd32.exe RdrCEF.exe PID 2556 wrote to memory of 5104 2556 AcroRd32.exe RdrCEF.exe PID 2556 wrote to memory of 5104 2556 AcroRd32.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3184 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 RdrCEF.exe RdrCEF.exe PID 5104 wrote to memory of 3180 5104 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\Flyer_Sommerretreat_24.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556 -
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:5104 -
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=8B9B36BD239B644369C0E3A0AB12EF78 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3184
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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=964850AAB73D4CEB8D3BD581D73A732B --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=964850AAB73D4CEB8D3BD581D73A732B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:3180
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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=7F6BB73128EA1175E7524C33DA18A913 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2440
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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=41E3BB9772256D346BAD049ED6577C4F --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2088
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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=8D1F37804904490D7AEE7ABF552AF93D --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1040
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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=0178AB7240705B82FBF33945244CFBE0 --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=0178AB7240705B82FBF33945244CFBE0 --renderer-client-id=8 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:13⤵PID:3772
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5