Analysis
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max time kernel
141s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2023, 21:56
Behavioral task
behavioral1
Sample
04f370ea2e12d5e58eab2e50410afb93.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
04f370ea2e12d5e58eab2e50410afb93.pdf
Resource
win10v2004-20231215-en
General
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Target
04f370ea2e12d5e58eab2e50410afb93.pdf
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Size
36KB
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MD5
04f370ea2e12d5e58eab2e50410afb93
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SHA1
9e5bbdf8ae7683bd3dd8b7bd02a0fcb4692aabf2
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SHA256
a773377644d8472a86b9189d60be5c7b57dab76412660bffb6fe9bb6b494358b
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SHA512
a44122a7b9e5312f345bc2848b80f684c1bd75f005c8451a5fe7188ae34d7e676392de5a60f76a13a8264fd200f517a770ef0bcef198be93536356cd6781adf2
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SSDEEP
768:sgGzpDuyMkT/l3eY8qe3UWZq+JzxKSF/eGS8FrycNP+36BwNt:pGFilmlKqqU2q+J5/eCNm36BwNt
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3888 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe 3888 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3888 wrote to memory of 4072 3888 AcroRd32.exe 93 PID 3888 wrote to memory of 4072 3888 AcroRd32.exe 93 PID 3888 wrote to memory of 4072 3888 AcroRd32.exe 93 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 2496 4072 RdrCEF.exe 95 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94 PID 4072 wrote to memory of 896 4072 RdrCEF.exe 94
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\04f370ea2e12d5e58eab2e50410afb93.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:3888 -
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:4072 -
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=DA6ABC786343664105C29C460DA480C4 --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=DA6ABC786343664105C29C460DA480C4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:13⤵PID:896
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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=1AA313FFDEE151D996F8FB0CA2911B96 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2496
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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=061BD996E37CB39A4B6D042B5D6E741E --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:932
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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=4201DA3842BB31843DCA67D2972AAE4D --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2944
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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=D5F82511E2F6A8BCA2BFB615783F6C4A --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1480
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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=04D3D0EDF5F8F7E375A9A7BA72D8838C --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=04D3D0EDF5F8F7E375A9A7BA72D8838C --renderer-client-id=8 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job /prefetch:13⤵PID:2572
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5ecf88acddca0dccf441022c39393a418
SHA1f3ac69533771e3f8b55a93e6c46b65c2ac826ed3
SHA256eba47eddb52d56249815d170234692d218986eb3e7c67109de3d555dfdc20394
SHA51264be44ca25f1d9046bd87d8d4044a07e5ccfbd398c4d879645426b7e9e055168cf21db7b077f812f01dafa013ebad2b0c16cfdd8d2542e58ba62ef95907ff6cd
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5