Analysis
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max time kernel
141s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 08:49
Behavioral task
behavioral1
Sample
98fbb61c2cdf76159008d88d98e028d3.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
98fbb61c2cdf76159008d88d98e028d3.pdf
Resource
win10v2004-20231222-en
General
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Target
98fbb61c2cdf76159008d88d98e028d3.pdf
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Size
43KB
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MD5
98fbb61c2cdf76159008d88d98e028d3
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SHA1
91cdb39df591965465625f8de31dde3664c8445c
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SHA256
1e3996b6fc2abc0c2750f59665e83bfdec18f90a4508e3e2525b83b7f1495ac2
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SHA512
109349bfeac548a9c21b597ac2128684bffb8ae54226bc840b0849fcc1688659f32c8d8d44e3046d5a0fde839db28d0c86a1cc74b8a391b7c864443bce0a8202
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SSDEEP
768:2wN2EDeKCv+9AvQ/mzRJvBFNf3rG8/h20D1K/WA+wEQfQ:2kxcOGQe5K8Z20ZK/WA+w9Q
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4088 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe 4088 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4236 4088 AcroRd32.exe 90 PID 4088 wrote to memory of 4236 4088 AcroRd32.exe 90 PID 4088 wrote to memory of 4236 4088 AcroRd32.exe 90 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2608 4236 RdrCEF.exe 91 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92 PID 4236 wrote to memory of 2528 4236 RdrCEF.exe 92
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\98fbb61c2cdf76159008d88d98e028d3.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:4088 -
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:4236 -
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=1A26512D56CBB11E13CC14DE8ED5F5B5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2608
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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=C2382B4CFC97DBCE185650E6B6336C50 --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=C2382B4CFC97DBCE185650E6B6336C50 --renderer-client-id=2 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job /prefetch:13⤵PID:2528
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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=437B5FF20BD270B3020809B9070C01C5 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1020
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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=C37480415663312146AA98DCC95CA19E --mojo-platform-channel-handle=2328 --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=3C72507EC626D7BEF53D5A2514BB4285 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1592
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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=130ED856B785698C97A4E0E3D913A61B --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=130ED856B785698C97A4E0E3D913A61B --renderer-client-id=7 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job /prefetch:13⤵PID:4716
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5b189c08cf71220ed222b0659a9158dc3
SHA1540918ce1418e96d01eba96fa77510a0f7552751
SHA25628456af694ccb0bd1d575f75714f9b2e69f82db6689891acf376258b43906aa1
SHA512aab82fd8856c97828158116057e9193787efbf028a22b5b2becefe060c41e552c74de39678cc6692d9193f3ccc1d03675cec4df4682acc59d9346e92364c4fe4
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5