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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
01/01/2024, 21:24
Behavioral task
behavioral1
Sample
3dec26761862dcff45f4fbf804a1f018.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3dec26761862dcff45f4fbf804a1f018.pdf
Resource
win10v2004-20231215-en
General
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Target
3dec26761862dcff45f4fbf804a1f018.pdf
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Size
87KB
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MD5
3dec26761862dcff45f4fbf804a1f018
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SHA1
2e7e9b42c1b57f40c9d4f6d3c536f0a6ec363a36
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SHA256
d6e8950a3c7495e466b739abba3c67a9c6b8b4d23a3d23738a4fdbca1f012ba9
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SHA512
5e46049a68134491e5c0257da61d9adf292e61797a90bcc3ee9502bd211eaa3e0dcfc5d9938f0f300a622efbcbbb459dae1bf610434d1a54de409d7786e15e4c
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SSDEEP
1536:S8jN4hLRKk3UQxpjFltvq8huobH1bASsVcBhF8WkNpOPaWh/3vFQYoxQly:54hLRaEVvq8huWH1AVcrPXn6Yoxp
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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3988 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe 3988 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3988 wrote to memory of 2308 3988 AcroRd32.exe 91 PID 3988 wrote to memory of 2308 3988 AcroRd32.exe 91 PID 3988 wrote to memory of 2308 3988 AcroRd32.exe 91 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 3452 2308 RdrCEF.exe 92 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93 PID 2308 wrote to memory of 4940 2308 RdrCEF.exe 93
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\3dec26761862dcff45f4fbf804a1f018.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:3988 -
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:2308 -
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=BC8B5FFCF330713ACA2103C4E18B8762 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3452
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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=FCB42BC9032CD1129D805C2E5682840D --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=FCB42BC9032CD1129D805C2E5682840D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4940
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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=A9E7BF96BD9FA02BAB6CC9BCD571172D --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=A9E7BF96BD9FA02BAB6CC9BCD571172D --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:13⤵PID:3808
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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=7A449B69C734E6FA6C3D77457203A513 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2584
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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=93AE112812FD53742F046DB8E0E9057A --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4052
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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=5246CF893BF9381B651EC8986256BCBF --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4716
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4544
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD52e7ec4eff5db3dfcf8e03b7281da1391
SHA1bd0fe9f4e650287f3a27720415b072e675323685
SHA25643556e1e5022a13f0a584818776d176fa667de0cdc278a84664e332d3c1a682c
SHA5129b20442bceb612f5dc7766266c9e9e00a52a62dc1635d935022fbfae34af29205a6c0a077acc28de0f471c54ff286bfed7739ac98ae881e791cc9a5578827826
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5