Analysis
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max time kernel
111s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 00:13
Behavioral task
behavioral1
Sample
3ce38abb236eff291280ce1fa7f25850N.pdf
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3ce38abb236eff291280ce1fa7f25850N.pdf
Resource
win10v2004-20240802-en
General
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Target
3ce38abb236eff291280ce1fa7f25850N.pdf
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Size
2KB
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MD5
3ce38abb236eff291280ce1fa7f25850
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SHA1
9755a75b9453e7d608e1f027ff9d44534cde314c
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SHA256
3f54e113d6f279bb375aabe4b07a849e2958252af8da4c9b0cf24155025e4547
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SHA512
7e7096f44b78de5f03fbc0aadd5cb3bb01562ad4bd7a9b887701472dfe1630789c648d8f377a6594c18553669c0308c279c6215bb7732ea24e52993375f50b48
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4840 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe 4840 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4840 wrote to memory of 2392 4840 AcroRd32.exe 91 PID 4840 wrote to memory of 2392 4840 AcroRd32.exe 91 PID 4840 wrote to memory of 2392 4840 AcroRd32.exe 91 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 3592 2392 RdrCEF.exe 92 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93 PID 2392 wrote to memory of 2468 2392 RdrCEF.exe 93
Processes
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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\3ce38abb236eff291280ce1fa7f25850N.pdf"1⤵
- System Location Discovery: System Language Discovery
- 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:4840 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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=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=C6D093762181ED4E548D15BCA702F1E5 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3592
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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=F547532D61DB516231A49D7E60EFEDBC --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=F547532D61DB516231A49D7E60EFEDBC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2468
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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=D5BADC1AB18F9E31DDA070459B083C05 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:5116
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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=594F5D75401B4247644B4B0E094EE7E0 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3568
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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=750802FF45820FA957870BA208F8CEC3 --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=750802FF45820FA957870BA208F8CEC3 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3396
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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=D5B0DFDFB95409E0BB1EF26C3AD45FAC --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4260
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD57ffe53f71793b4b64ae9be0b537565e5
SHA172360e68f26366ba024bb4668126fe1a2b18cb86
SHA25668a7870979fdca18571913ff78720d013395091fcd0b49be245851ea69ed228d
SHA5123279e5bee19c9a5503ba3d49de3949c4d5fa32e9b19677f6060a0c07d9537f7e7d1336c98a349055908644df2eea6bc476297fcae89c98042094890fedd6b6b2
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5