Analysis
-
max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:28
Behavioral task
behavioral1
Sample
75181ee5e2b7c56e66dc3f5c9f48b73e.pdf
Resource
win7-20231215-en
General
-
Target
75181ee5e2b7c56e66dc3f5c9f48b73e.pdf
-
Size
78KB
-
MD5
75181ee5e2b7c56e66dc3f5c9f48b73e
-
SHA1
21b097ba7102f3005bc240f4adf23469b2adfd45
-
SHA256
9f36d6966d85a40169473ee2aaacffabd3012d406ff03663fef634aab8b75eeb
-
SHA512
40bfcf97c998f7321b393def10447c3ea316b582c0b610fd5ff940f4a2f93da21e976f6bd21e5ab3f99259c2c25496e6339c5e7c22b6494b0a412948c7f12c85
-
SSDEEP
1536:vlL1C2PhCMmViojeHVsH1JfvtoVDcg+RCUsePvzHuRpbbWTzC:LPcViojeH4JfBoUseTORpbS6
Malware Config
Signatures
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AcroRd32.exedescription 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 -
Processes:
AcroRd32.exedescription 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
Processes:
AcroRd32.exepid Process 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid Process 1060 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid Process 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe 1060 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid Process procid_target PID 1060 wrote to memory of 2700 1060 AcroRd32.exe 91 PID 1060 wrote to memory of 2700 1060 AcroRd32.exe 91 PID 1060 wrote to memory of 2700 1060 AcroRd32.exe 91 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 4516 2700 RdrCEF.exe 92 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93 PID 2700 wrote to memory of 3984 2700 RdrCEF.exe 93
Processes
-
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\75181ee5e2b7c56e66dc3f5c9f48b73e.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:1060 -
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:2700 -
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=B5265D0E30F7C9E6415966105565BF46 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4516
-
-
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=20EC71DA24D461588D6CCE270545DA1D --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=20EC71DA24D461588D6CCE270545DA1D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:3984
-
-
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=645792D3B93937B2499E8146981D5169 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1888
-
-
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=5EB528C41765DC57078B8CBD226AB803 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3916
-
-
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=25EC2F519D53704180EA92B08258B120 --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=25EC2F519D53704180EA92B08258B120 --renderer-client-id=6 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:13⤵PID:2296
-
-
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=7081A321BAB8CDD076A8E9E711F8D1FD --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1284
-
-
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:556
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD522c5623aa8ebf70b048044623f1231be
SHA1aaa0dfa2e5824ac658072e0741d95def821c13c8
SHA2566166fdca38b0b79c78708b92dd12515ffad811a4c4217ff5d4fcdfa2280675cf
SHA512bbedccb7bcab1b50968089a3d0b0efc88acc4ffede8de9fa64b097d56219a0b9278540bdc6fd7917f8a3da5a691865d3161186f46a96c055acb5c6ad2e371fb2
-
Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
-
Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5