Analysis
- max time kernel
152s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
06/03/2024, 04:20
Behavioral task
behavioral1
Sample
b67de51fb38c679d5670ad17522bfb5f.pdf
Resource
win7-20240221-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
b67de51fb38c679d5670ad17522bfb5f.pdf
Resource
win10v2004-20240226-en
6 signatures
150 seconds
General
- Target b67de51fb38c679d5670ad17522bfb5f.pdf
- Size 101KB
- Sample240306-ex6n8acb78
- SHA256 872585ca3e53c869a70df7052a9f50691a05da6b3320b30156b30d61875c9d64
- MD5 b67de51fb38c679d5670ad17522bfb5f
- SHA1 9517e11be2a48e10a211e90293f1f19d3df8aaac
- SHA512 ee0f29c66ac0f89dcf2fe91a3b33b6aac7a5b7dbf96b5de186c3451eca1e2dc1f0f25376309d207e17fc4bcf32650dbaefeceac26ffb9b5f9797ba07d6f088f4
- SSDEEP 1536:wWByUJ4zUdgOCZG+is5hS+prJYllFVciq0gllhJF/v9+QMZ67XiWGpOKCW+eO/p3:FYOdgOb+im+lX1ol3F/l+eLKoz6HQq4
- MD5 SHA1 SHA512 SSDEEP
Score
1/10
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3484 AcroRd32.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3484 wrote to memory of 3864 3484 AcroRd32.exe 99 PID 3484 wrote to memory of 3864 3484 AcroRd32.exe 99 PID 3484 wrote to memory of 3864 3484 AcroRd32.exe 99 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 1320 3864 RdrCEF.exe 100 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101 PID 3864 wrote to memory of 3248 3864 RdrCEF.exe 101
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\b67de51fb38c679d5670ad17522bfb5f.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:3484 -
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:3864 -
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=E24FAF90F75582573B384195D8D3CD8E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1320
-
-
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=A56405E52308F514CD3A90EC607E83DA --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=A56405E52308F514CD3A90EC607E83DA --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:13⤵PID:3248
-
-
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=F0CEEB8B811E8735E053F6A9CE480A50 --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=F0CEEB8B811E8735E053F6A9CE480A50 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:13⤵PID:2916
-
-
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=0618A03BDDEAEDD72AF3973BD63B0894 --mojo-platform-channel-handle=2732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1588
-
-
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=EE5C12500FD6F0F0E36F3C9303C12F17 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2780
-
-
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=8475C71A923E5791517B97C5D2E53930 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3300
-
-
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3308
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:5268
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
- Size 64KB
- SHA256 14586b6bdca32b94e3281ec5855b34a9fbc0fd44c33311faf63be979fecd7aad
- MD5 27a8cb89a8ac1e58c5043475ec9ce65c
- SHA1 b9a0bd06804a106a5ffec3573a95c6607dc7b8d3
- SHA512 7965e0573c2af04afb7330290e7ce576a8b62cf23b66ae2ca5b22be2404b5617287715b91241c3f06569e4c9735bf83ce69131374815d79bbe981158dbaf4921
- SSDEEP 384:yeSdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:R+elZsLQCZsL3hUS4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
- Size 36KB
- SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
- MD5 b30d3becc8731792523d599d949e63f5
- SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
- SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
- SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
- Size 56KB
- SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
- MD5 752a1f26b18748311b691c7d8fc20633
- SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
- SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
- SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
- MD5 SHA1 SHA512 SSDEEP