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Analysis
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max time kernel
146s -
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
31/12/2023, 03:50
Behavioral task
behavioral1
Sample
26f88d9a5cabe25848884b6e776d24be.pdf
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
26f88d9a5cabe25848884b6e776d24be.pdf
Resource
win10v2004-20231215-en
General
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Target
26f88d9a5cabe25848884b6e776d24be.pdf
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Size
75KB
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MD5
26f88d9a5cabe25848884b6e776d24be
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SHA1
aef31a0b202375b413ef323c1d529aa8a3ddc2d4
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SHA256
83fe51dc6b0beef305643f880e61788ea316aca80e77f0937b81ab9efa61d7a1
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SHA512
2d18c43a21e5da1fe3c141cb03dcea290d4305da451604bbb57fcfce19c883e6b0b4df556e312bd68d0db3be9b97ea0a3b923794bc281c5b671f09f9181b87c8
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SSDEEP
1536:4qDO5HpWhHXO/4PdZGxmZtXJGe0xbYPrsKI7x6vKjkV8HZBWl:fwwhXPdZ6mZZJGzYPrsKckAZG
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 8 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe 8 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 8 wrote to memory of 3412 8 AcroRd32.exe 93 PID 8 wrote to memory of 3412 8 AcroRd32.exe 93 PID 8 wrote to memory of 3412 8 AcroRd32.exe 93 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 1844 3412 RdrCEF.exe 95 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94 PID 3412 wrote to memory of 3528 3412 RdrCEF.exe 94
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\26f88d9a5cabe25848884b6e776d24be.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:8 -
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:3412 -
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=06E7F39D46E56C479D2C0BA145C5B854 --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=06E7F39D46E56C479D2C0BA145C5B854 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:13⤵PID:3528
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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=959FACD42621B07A634719E8946D99E8 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1844
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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=2D6F1F3B55D7D24CA59655999D78249B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1736
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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=BD803EFF53697D75090423D4EEFFFCDB --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4500
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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=4256621776A78E5B1E6DFB5EFC87AE54 --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=4256621776A78E5B1E6DFB5EFC87AE54 --renderer-client-id=6 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:13⤵PID:4820
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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=E36D301858A160861AE9CB31DAE0D9FA --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1500
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2280
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD528454f07ac557d20f1b30ea1461d5ae4
SHA1bbb94f43d563920b542d1ceadc12372b286569cb
SHA256654a9c5bf37bd8e50a4f341688c98d35b74e0a9e446c72c3021ac5477f97a0b0
SHA512ca69ef4c6399bf4d07b3129054e0342f0021b54710b60f9a2488c1c2f4c2f3a4e2bc8caffe4d5947b0e77aaf2479bf77eb41f7a1ed6b7e15171a70355e3c1e05
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5