Analysis
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max time kernel
94s -
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
03-10-2024 18:20
Behavioral task
behavioral1
Sample
b1a7e27ce577e2ba3a410563b8656363d4f62d208ae89840fa6c4befaa6b763cN.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1a7e27ce577e2ba3a410563b8656363d4f62d208ae89840fa6c4befaa6b763cN.pdf
Resource
win10v2004-20240802-en
General
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Target
b1a7e27ce577e2ba3a410563b8656363d4f62d208ae89840fa6c4befaa6b763cN.pdf
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Size
55KB
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MD5
1ff2651231572c76c44c655994759c70
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SHA1
30a5b2c1e07bd70ceeeb00b8ed13a768219439ba
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SHA256
b1a7e27ce577e2ba3a410563b8656363d4f62d208ae89840fa6c4befaa6b763c
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SHA512
3539260fc0a89d6af71033bda0111a1de5af61957025a9db1a296688093bcd20bc3e73dda56ed2ef4f7f0e6468c03f2b765d1d212b8c8f010b713f567125fc5c
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SSDEEP
768:qi7BRjVrPBkRGcQjJBnYRmkHslrmKE+xEJd7sUJLej2PmwQuUAr6seG5luZcXRSK:LNrPBrdnSJ1dwSPdb69G5ZgrAaac+Um
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 AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4548 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe 4548 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4548 wrote to memory of 3808 4548 AcroRd32.exe 82 PID 4548 wrote to memory of 3808 4548 AcroRd32.exe 82 PID 4548 wrote to memory of 3808 4548 AcroRd32.exe 82 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 1692 3808 RdrCEF.exe 83 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84 PID 3808 wrote to memory of 3588 3808 RdrCEF.exe 84
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\b1a7e27ce577e2ba3a410563b8656363d4f62d208ae89840fa6c4befaa6b763cN.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:4548 -
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:3808 -
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=63394659C6320A0F5921D3694BAF7555 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1692
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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=3FB99E9E53AF5031C22628C0E5D6B60E --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=3FB99E9E53AF5031C22628C0E5D6B60E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3588
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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=B2477E703CEB7E83C3794D79536390C5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2632
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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=B572A75FFA123FA9430E995CFEAD1BDD --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3100
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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=37EA5C26C86E23D0EBF6DED6FEB0BDD0 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:4396
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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=DA0AEDA5481B2105E22C619D8503D13B --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=DA0AEDA5481B2105E22C619D8503D13B --renderer-client-id=7 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:2436
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5b62157208f5a078a449e3f920f77d9b7
SHA18f1c6570e1dc067a7da7e2e49b52c1afa6c79eff
SHA256498c37a857e1cb528db54c91175ad93e65b632f3a337b8ca1e0f0b0717a3c4e2
SHA5122a0b58c4025ccae723c84e866eaf74d9538d7f2a1ef2e94095850567e0e2869e8f4386a78a817d8211be1da66607f2dde83a19c1dd09789854a1f8ba693b404a
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5