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Analysis
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max time kernel
57s -
max time network
68s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
20/06/2024, 05:00
Behavioral task
behavioral1
Sample
LeighMajerReceipt.pdf
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
LeighMajerReceipt.pdf
Resource
win11-20240508-en
General
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Target
LeighMajerReceipt.pdf
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Size
91KB
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MD5
9a6c8f721b979b08ae65ec2ee4ea06ae
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SHA1
e63ecd30b9b6c6d7a1091f0a7bdc546b4a963158
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SHA256
00da59548377aa68b9f98b811b33366e83040f70db6ebefe909de57ec53263a8
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SHA512
de624e9a3e2f79b0c0bf8ec9687820907c293bab1fdd62b8095102294d00a26c3e19b5f43f9f0f11f1935542cd8696b4f1be15bf5a63c39932d81d2b96a0fecb
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SSDEEP
1536:BWbya5sHZNNwokwb5pmE22xknWaw7RymyARbMy2LLC+xeC3hfJ3gBCIAfcCpDE6h:BA5SNuIbDmn2qCRy1ARL2FxeC3hOBCbr
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-1-5-21-3001105534-2705918504-2956618779-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3336 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 3336 AcroRd32.exe 3336 AcroRd32.exe 3336 AcroRd32.exe 3336 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3336 wrote to memory of 4136 3336 AcroRd32.exe 80 PID 3336 wrote to memory of 4136 3336 AcroRd32.exe 80 PID 3336 wrote to memory of 4136 3336 AcroRd32.exe 80 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 2660 4136 RdrCEF.exe 81 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82 PID 4136 wrote to memory of 3056 4136 RdrCEF.exe 82
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\LeighMajerReceipt.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3336 -
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:4136 -
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=110051BA99AEAF7F8F74BEFFDDA2526A --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2660
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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=CF393ED6BE6E2A2205F56D524107D2FE --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=CF393ED6BE6E2A2205F56D524107D2FE --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:3056
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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=953B718A6D1AA05FB5D98218B20A6C7B --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4572
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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=5FFB0F8AF09AD75294C8204705ED2958 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3296
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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=517F75FC82B52A4340EC48CEA8102D98 --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=517F75FC82B52A4340EC48CEA8102D98 --renderer-client-id=6 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job /prefetch:13⤵PID:2152
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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=4680AEE5543DD5D7824B81CBC65303E1 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:228
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3984
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