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Analysis
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max time kernel
160s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2023, 14:33
Behavioral task
behavioral1
Sample
c5e3ee79537de8e2b4f7e383f93c9058.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
c5e3ee79537de8e2b4f7e383f93c9058.pdf
Resource
win10v2004-20231215-en
General
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Target
c5e3ee79537de8e2b4f7e383f93c9058.pdf
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Size
56KB
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MD5
c5e3ee79537de8e2b4f7e383f93c9058
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SHA1
3681d85123062dd3262523b7910f0cf239dd2fed
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SHA256
0686e8657b6bb0dd76658feb017a3bd80124845a1a25a52d665616801c501c48
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SHA512
5d7a70cd437d7cdddfd31e64f6becc25add480a016429a1be30039ec9b7d01f4056b48078d0545b062eb7267471fd5ad8362d3f9388b8d18fc28d84706700b84
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SSDEEP
1536:qr3RsDcMMx4WBkuEUPoyuOuFYy/q1IJYdBY:qr3RshMxbBktUPodOuFYy/qyJ2S
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4444 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe 4444 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4444 wrote to memory of 3108 4444 AcroRd32.exe 91 PID 4444 wrote to memory of 3108 4444 AcroRd32.exe 91 PID 4444 wrote to memory of 3108 4444 AcroRd32.exe 91 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 3932 3108 RdrCEF.exe 92 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 RdrCEF.exe 93 PID 3108 wrote to memory of 4836 3108 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\c5e3ee79537de8e2b4f7e383f93c9058.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:4444 -
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:3108 -
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=44131E6824E78EB928AAAD4500E71829 --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=44131E6824E78EB928AAAD4500E71829 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:3932
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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=C9A2765DE0D6B79AE03627898F4DB0D8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4836
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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=B43C6D30EE38C25AA2DB64E21336DEB1 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4052
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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=A107A2957721120E7E7844B4E3DB72E7 --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=A107A2957721120E7E7844B4E3DB72E7 --renderer-client-id=5 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job /prefetch:13⤵PID:4456
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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=A9BCC7FB5604F4107A1B7F69D688BDD3 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1932
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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=D6E0BA7EDCB395465639D8EAD981BE6B --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3592
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1948
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD53c7a67e0530f21c56748c637d260258b
SHA18bf1dfb49d404f9a7c2353561063792f9111cfbd
SHA256b0718102f9c32d075ae48e8077e09f5b2d98267315d6aba8d1d4b4467ef82d67
SHA5124d1ab8543c83c7a53d9379142e89de93d2e9fe90bcfdc45eba48f6242ddc37ff32415536c93c8fd6848dc4f966943e3d387c9f5ec07ab782237f8d6b4dde5a5e
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5