Analysis
-
max time kernel
148s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2022 19:10
Behavioral task
behavioral1
Sample
attachment20220906-23104-zy8fwn.pdf
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
attachment20220906-23104-zy8fwn.pdf
Resource
win10v2004-20220812-en
General
-
Target
attachment20220906-23104-zy8fwn.pdf
-
Size
2.2MB
-
MD5
07bca602eebcdd848429d736e930b574
-
SHA1
5ae42bec0cedd53c1641be0e336a1c72008bc3f7
-
SHA256
fa271832ff45cd9f684e758df50d845bad7dab792740ddbe7636a38b47bfc344
-
SHA512
42a59c2cfb11661638bc4eb74746f88b4731a89a42c1feba33074bbd3ad7c8c1b8f1965f24e2e5cac2dfce3f65f26d103c7bf01c19de892e2f237fc231042afc
-
SSDEEP
24576:lwB/+KmQYq8CtvRpZhVOyt7bAm9CYfoZsipsgPeQxYJ3HvGLkqbBE+CpoisCHvbJ:NQ1Zsal9CYgZPBFxa5qvxisCvbn4D/Pc
Malware Config
Signatures
-
Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{21A51B7F-D58B-4297-9EA5-01AC3375F2F1}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{55D55362-2E02-4305-B3B8-0174C586A3A3}.catalogItem svchost.exe -
Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AcroRd32.exesvchost.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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Processes:
AcroRd32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcroRd32.exepid process 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
AcroRd32.exepid process 1544 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
AcroRd32.exepid process 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe 1544 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
AcroRd32.exeRdrCEF.exedescription pid process target process PID 1544 wrote to memory of 1928 1544 AcroRd32.exe RdrCEF.exe PID 1544 wrote to memory of 1928 1544 AcroRd32.exe RdrCEF.exe PID 1544 wrote to memory of 1928 1544 AcroRd32.exe RdrCEF.exe PID 1544 wrote to memory of 4696 1544 AcroRd32.exe RdrCEF.exe PID 1544 wrote to memory of 4696 1544 AcroRd32.exe RdrCEF.exe PID 1544 wrote to memory of 4696 1544 AcroRd32.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 3360 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 RdrCEF.exe RdrCEF.exe PID 1928 wrote to memory of 4588 1928 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\attachment20220906-23104-zy8fwn.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:1544 -
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:1928 -
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=C13AFF74C82AFBF56FEB154125E3D9B2 --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=1 --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=C13AFF74C82AFBF56FEB154125E3D9B2 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:13⤵PID:3360
-
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=EB40520BA0780A6A504B4A6AF4127B54 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4588
-
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=DC5EB8F7F091CCF3744D12265DC2FEE6 --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=1 --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=DC5EB8F7F091CCF3744D12265DC2FEE6 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:13⤵PID:2644
-
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=111CF07704A7A508257ECAF41ACA3D45 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:5024
-
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=A28DFE186D786691EEA607341DA842F0 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1352
-
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=DF4B551182D3D69108F7A3CA1E5075C3 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2448
-
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⤵PID:4696
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4992
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1300
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1352-151-0x0000000000000000-mapping.dmp
-
memory/1928-132-0x0000000000000000-mapping.dmp
-
memory/2448-154-0x0000000000000000-mapping.dmp
-
memory/2644-143-0x0000000000000000-mapping.dmp
-
memory/3360-135-0x0000000000000000-mapping.dmp
-
memory/4588-138-0x0000000000000000-mapping.dmp
-
memory/4696-133-0x0000000000000000-mapping.dmp
-
memory/5024-148-0x0000000000000000-mapping.dmp