Analysis
-
max time kernel
144s -
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 10:18
Behavioral task
behavioral1
Sample
746f87f5fcf309bc0c5bc422007f3740.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
746f87f5fcf309bc0c5bc422007f3740.pdf
Resource
win10v2004-20231222-en
General
-
Target
746f87f5fcf309bc0c5bc422007f3740.pdf
-
Size
3KB
-
MD5
746f87f5fcf309bc0c5bc422007f3740
-
SHA1
60d993bd107861fa0880846d1a852b17362bc7f9
-
SHA256
b24244fa8e39bf0e58dae018eba3c409c34064f81b1361c5f8ab74aa56db077d
-
SHA512
99a32c0dc2cc99f629bed345ff1ee71c31de9bb7c3021e3970020ac419f3060d5df73d044ae656469f178ae3d09c76694e0c58a6da401adc38ee7b71977f7876
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 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 240 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe 240 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 240 wrote to memory of 3532 240 AcroRd32.exe RdrCEF.exe PID 240 wrote to memory of 3532 240 AcroRd32.exe RdrCEF.exe PID 240 wrote to memory of 3532 240 AcroRd32.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 2124 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe PID 3532 wrote to memory of 748 3532 RdrCEF.exe RdrCEF.exe
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\746f87f5fcf309bc0c5bc422007f3740.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:240 -
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:3532 -
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=2835DEF12F47843F4E52EB1D3ADEE9FE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2124
-
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=E2849B5B9CECB4049A854525D9521D70 --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=E2849B5B9CECB4049A854525D9521D70 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵PID:748
-
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=E8ACD75CF1BB0A91D554F3F48D995998 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4416
-
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=86907EF6AD8452D5A121A0B3CAEABC52 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3552
-
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=7A5F3EA7647E6E1EA181EC52A20E0C93 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1844
-
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=520E21AD18900EAAEF73CBF9A6C249E8 --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=520E21AD18900EAAEF73CBF9A6C249E8 --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:13⤵PID:1028
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3676
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD5829876cf5526b57851dc9a5d71139a15
SHA133f3326955d0981db9a04fcf69a1aef8fb4a33a8
SHA2568b8fe5fdea1be3cc7fcb8da6a46228e8bebd533fa1d6693bef04b3979c749c73
SHA512654e58cf5de0142432237b2ef44cd30264df9539d2c4a45f9f9dfdd9c40b88940140120c473c6fe018682dd60e43db77a5fa6140a89f15baf87778661f893c0a
-
Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
-
Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5