Analysis
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max time kernel
142s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
11/03/2024, 09:44
Static task
static1
Behavioral task
behavioral1
Sample
4374ef5ff83854048fac3dc97e341454246f530980458bd816792de16c2aa8f1.pdf
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
4374ef5ff83854048fac3dc97e341454246f530980458bd816792de16c2aa8f1.pdf
Resource
win10v2004-20231215-en
General
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Target
4374ef5ff83854048fac3dc97e341454246f530980458bd816792de16c2aa8f1.pdf
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Size
1.4MB
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MD5
b9d9b2c89b11ccbcf0e336a20702b373
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SHA1
c2fda53b76c3c5032bd644bbb6332be960e9fbcc
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SHA256
4374ef5ff83854048fac3dc97e341454246f530980458bd816792de16c2aa8f1
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SHA512
86be30ea1ea3e533ff27401b9cb5f7d75061ca42808034270fc6014b2208b26699263d8e764f32df34e093c7042c16c098c0abbf7cdab7178e666d4ad8eef9b7
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SSDEEP
24576:NSF53gx3jMgznN7WA8KaRPbYRoYEc2Ds/TQ//8rMvBENkjjjjjjjj9GOFobb:N+53QdhUAEFDZC1Om3
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1952 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe 1952 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1952 wrote to memory of 4504 1952 AcroRd32.exe 85 PID 1952 wrote to memory of 4504 1952 AcroRd32.exe 85 PID 1952 wrote to memory of 4504 1952 AcroRd32.exe 85 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 2132 4504 RdrCEF.exe 86 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87 PID 4504 wrote to memory of 4452 4504 RdrCEF.exe 87
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\4374ef5ff83854048fac3dc97e341454246f530980458bd816792de16c2aa8f1.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:1952 -
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:4504 -
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=6FEA5B22B93E35B89110DBC9B25F7120 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2132
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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=1B6DC1C5C05378F938FD80A8CE1C8473 --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=1B6DC1C5C05378F938FD80A8CE1C8473 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4452
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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=A7314E03A889B93D58F72F7A0B6C354F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3972
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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=0718E27C66BE5E78C06902B8E3E5C788 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3156
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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=8F2DCD579075549C6D025D2CB7E716F0 --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=8F2DCD579075549C6D025D2CB7E716F0 --renderer-client-id=6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:13⤵PID:4312
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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=3354E06AF40FB623291C07B483732662 --mojo-platform-channel-handle=2728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1684
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4636
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD572e306bd54bf3e853abb68c10e546c1a
SHA1682fe9206f6b85f8c204eae51aa9c458c0b5ef65
SHA2567d5b88e21b0e7a6f18fcba808b32ca4722d4f6b29edace66d6b5a98f71b137a0
SHA51258479b43fe58fc7bb748aa5bcbbbd10ba4850eeb4f615e54c5ea14afde05b110d646c6cd85115783757d9ecb64ac78b53e43ad653faf598b5ecd6211ea5a8241
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5