Analysis
-
max time kernel
154s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 16:18
Behavioral task
behavioral1
Sample
74f3dd0eac5f124612ec0f661102041d.pdf
Resource
win7-20231215-en
General
-
Target
74f3dd0eac5f124612ec0f661102041d.pdf
-
Size
111KB
-
MD5
74f3dd0eac5f124612ec0f661102041d
-
SHA1
48e0335aab94b7c29fb50a1efd57a4b8958ff041
-
SHA256
2af6b23edace3948622be5bdc0b48cfb234764a0219b5810ecc27d21ecee33c0
-
SHA512
829dc66a268ebea2102f5aec93bee3356ea08a60a9b0b8951c5d40d45f61005c859fd375b6037097467693ad37a388dabb1437aad5f5e8866e0029dd84ba0380
-
SSDEEP
3072:t/uf3d9LdETurnwoTStET0oKfEJtQhoj5gQlVcx:tot9LdET2nD+Y0/+lQ
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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1220 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
AcroRd32.exepid process 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe 1220 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1220 wrote to memory of 2372 1220 AcroRd32.exe RdrCEF.exe PID 1220 wrote to memory of 2372 1220 AcroRd32.exe RdrCEF.exe PID 1220 wrote to memory of 2372 1220 AcroRd32.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4888 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 RdrCEF.exe RdrCEF.exe PID 2372 wrote to memory of 4028 2372 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\74f3dd0eac5f124612ec0f661102041d.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:1220 -
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:2372 -
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=9DF268DA0E7ABCD8379CFE9D5F3CC012 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4888
-
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=FA1B4B4F282D3CEEC3E82750A8C7D54C --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=FA1B4B4F282D3CEEC3E82750A8C7D54C --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:13⤵PID:4028
-
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=31C6005E52714019A1FDDDC44E095E02 --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=31C6005E52714019A1FDDDC44E095E02 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:13⤵PID:3328
-
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=10B076B3A6065F78AB431A298032FCA6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2108
-
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=7AC01DE47B77716904DFA719E7ECE801 --mojo-platform-channel-handle=1816 --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=4A19C5DED5AFF8C84719C5DB98CC36F6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3492
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
64KB
MD5dca5fb3c17d6a55c7aec0cbfac7f221b
SHA1e413c89a787e6a190e5aa7a8b2766bbf1945fad3
SHA256f3c39926231a120f3c68312b534020c85cf1b47c9c888f99f69c60ef0fa96e67
SHA512e3c469b9750855beeeb2bb4c4de263ebb01d71b265802f4c6831bf094eca933aeba3092965206a2ff3eceb96db1524b7788bdb260cf5959e29b59b717b330107
-
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
-
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessagesFilesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5