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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26/01/2024, 23:41
Behavioral task
behavioral1
Sample
78b37b4ca6397fb1cea3c8432cc185af.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
78b37b4ca6397fb1cea3c8432cc185af.pdf
Resource
win10v2004-20231215-en
General
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Target
78b37b4ca6397fb1cea3c8432cc185af.pdf
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Size
41KB
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MD5
78b37b4ca6397fb1cea3c8432cc185af
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SHA1
df1e3c69b08d7c565281ed59df419ec676a24f7e
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SHA256
614699aef962f7666f925637c2cd00ecd8bacd121a83cd9f6138c817ff90b52c
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SHA512
f2fe847e44eb894ae2fcb11908fc48e9675fb7a64575dbe4838e1af33ffc2f06bd09d5ce0d97d902013701bfdb2aa07ee65623115ea0d8ccd2dd0eba820b0d86
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SSDEEP
768:uJMkxEHZYTVJP4QjskWm4zCCHmtZRQpKVfd/AJ1BRoJ/:uJPxksPqm4itiKVfd/AnBKJ/
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 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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3484 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe 3484 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3484 wrote to memory of 5056 3484 AcroRd32.exe 89 PID 3484 wrote to memory of 5056 3484 AcroRd32.exe 89 PID 3484 wrote to memory of 5056 3484 AcroRd32.exe 89 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4964 5056 RdrCEF.exe 90 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91 PID 5056 wrote to memory of 4616 5056 RdrCEF.exe 91
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\78b37b4ca6397fb1cea3c8432cc185af.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:3484 -
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:5056 -
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=8B7FBC53D93A42759D3ADEDE83C1738D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4964
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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=B250D1B69CB4B98552B773FF67F5594E --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=B250D1B69CB4B98552B773FF67F5594E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4616
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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=7A5412B6F9985B958EB79A2B194273DF --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=7A5412B6F9985B958EB79A2B194273DF --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:13⤵PID:4272
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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=2E2273C987F0E7EC6BBF6E64CFA41FFD --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2324
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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=B734FA49C8F606FE69DC4E2BC5FC1F74 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1516
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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=ADA6CD2FA2BCF14BF719A20F3A2B6EEA --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD5c11dafab1cdf46200c0d9c3fb3558ed0
SHA12001f9d4804985ff5e855325b137b91047e17025
SHA2560dec4e1222a60bd15c23519361058b31d807cbf996e18a66635874b322a4f4e8
SHA512826eebc804f125e874d6752249ada04f77540ad9a32b279d54bd9757ad0ec47ed2be325146a1ab4679d28e02bbeb2bd79bd8d1e906f8f2ccd0b4d059b0bf7822
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5