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Analysis
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max time kernel
149s -
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
31/12/2023, 03:07
Behavioral task
behavioral1
Sample
25c09e1dfa358c2070e3373d0a9a98b5.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
25c09e1dfa358c2070e3373d0a9a98b5.pdf
Resource
win10v2004-20231215-en
General
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Target
25c09e1dfa358c2070e3373d0a9a98b5.pdf
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Size
34KB
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MD5
25c09e1dfa358c2070e3373d0a9a98b5
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SHA1
6208e9a6e6fbb9232746e9bbee9a32f6566917a5
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SHA256
8d714a18e3963f702fc89a0ea4be749c289e1e1949d81ee90c191107270f8798
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SHA512
beb8119196b92567efe1466aea1f3a915567ed7fd7a84146e66349efe96969549baa65aa4a7fd55d63da43ca82603c6bb1780d1b72f9cffb62c29385514f9fa5
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SSDEEP
768:DxEldWzJc95x72lQTmOOT0/7DQKshUVO57Ez:Dx5zJMIQTmOO4/7D1IEz
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 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3924 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe 3924 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3924 wrote to memory of 1600 3924 AcroRd32.exe 91 PID 3924 wrote to memory of 1600 3924 AcroRd32.exe 91 PID 3924 wrote to memory of 1600 3924 AcroRd32.exe 91 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 1364 1600 RdrCEF.exe 94 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95 PID 1600 wrote to memory of 5032 1600 RdrCEF.exe 95
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\25c09e1dfa358c2070e3373d0a9a98b5.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:3924 -
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:1600 -
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=5C2EAB2068778ABC6F7C01B6D600C3F7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1364
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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=A4ACFD811470107275493795E152217D --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=A4ACFD811470107275493795E152217D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:5032
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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=53BF91AE42F335836546B1A73CF93095 --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=53BF91AE42F335836546B1A73CF93095 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:13⤵PID:1284
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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=6BFF50751529A11275E71A68BB0F373B --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4928
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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=6B44D23D7B9379F859B21B72F0B7A091 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1580
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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=FC0867E3E50934F96CE1118804174821 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5d45630194e26e10fca333f51135c2945
SHA16d04b30b240156c2dbe8644b67bbcb38a6cf008b
SHA2566cc237e458c30a51ae77f16bdf1e33053fd47de691cdf0ac507346db28799d49
SHA51266b301558b197c64a74a9912cded4c0857e43973708fa4c53e3fea0a823fa88f7bd2373904141f678ccd213d8beeb29098e904065d215cff6e4d4418dde9825a
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5