Analysis
-
max time kernel
145s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2024, 01:35
Behavioral task
behavioral1
Sample
4f3bb3878e91ddc8c41b9d1cfe296a56.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4f3bb3878e91ddc8c41b9d1cfe296a56.pdf
Resource
win10v2004-20231222-en
General
-
Target
4f3bb3878e91ddc8c41b9d1cfe296a56.pdf
-
Size
77KB
-
MD5
4f3bb3878e91ddc8c41b9d1cfe296a56
-
SHA1
b89859edd6ed398c372c068f721d90014eab2a40
-
SHA256
978453bf345e0f51090998bd3ddddb59bdeeb09e72cec3d053f3ddc66a571b3d
-
SHA512
3f818a9adee9cb980048fe14c66b3fa6150cb2217cab21f4f35766b49876ee1fcab51cd75bc048934cdf942b41e550420119b860b6eeeb09501474f324682f19
-
SSDEEP
1536:cmGbQkLgTgfDgHBgLEh7TvtQHaxcnna4u35JWsd1F8uQWOpOwrnqzYHKcR:+8Us8FWNmna4s5vF8utwrnqsHZ
Malware Config
Signatures
-
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 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4232 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe 4232 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4232 wrote to memory of 3476 4232 AcroRd32.exe 91 PID 4232 wrote to memory of 3476 4232 AcroRd32.exe 91 PID 4232 wrote to memory of 3476 4232 AcroRd32.exe 91 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 4772 3476 RdrCEF.exe 93 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92 PID 3476 wrote to memory of 2604 3476 RdrCEF.exe 92
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\4f3bb3878e91ddc8c41b9d1cfe296a56.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:4232 -
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:3476 -
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=D8F80407434881A1DC8E95BB8BD5CBFB --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=D8F80407434881A1DC8E95BB8BD5CBFB --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:2604
-
-
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=36F3978EF6877DC2FE133C23CB5A4CC4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4772
-
-
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=F48257C892751301E3FB70F0A63AB910 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3188
-
-
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=CB75154EA51E053E4DB1D626FC077211 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1456
-
-
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=6E87A62D8EA27D70C5B4FD9B042927D0 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2392
-
-
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=04057B6AF248AFD2AEEF88DE7F5F2201 --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=04057B6AF248AFD2AEEF88DE7F5F2201 --renderer-client-id=8 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job /prefetch:13⤵PID:3352
-
-
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4920
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD59f56ec6bb28bca061df80f1c60e3e837
SHA18aa0cd3fc3a931a121ebcc5b366b9ddbc1fd25c3
SHA25606ab70f500c54dec48f7b49c45bca6eb0c8879a2a318089a7e1e8fd86f482c45
SHA51249485352ef0d3fb35133b2dfc1ebcb2b8f3ff4b03b0bafc20ed6cd12c502b703f23d993158aaa53c4465248fb5242801f76252b681054bd7a65532ca5ed5360c
-
Filesize
56KB
MD5c26ed30e7d5ab440480838636efc41db
SHA1c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591
SHA2566a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef
SHA51296cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df
-
Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5