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Analysis
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max time kernel
148s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2024, 06:02
Behavioral task
behavioral1
Sample
a3103047159638763002dd0cd232f988.pdf
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a3103047159638763002dd0cd232f988.pdf
Resource
win10v2004-20240221-en
General
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Target
a3103047159638763002dd0cd232f988.pdf
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Size
89KB
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MD5
a3103047159638763002dd0cd232f988
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SHA1
b9d4d7cdfa617ebaf5bbf2e8b2d1b338a0deefec
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SHA256
5c74f9186399f44f214476b19f4eeb58806bea2f1b146ca57c9802ec6267edf9
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SHA512
c989cc51542e4b83c73dc975e67c639085d4cbe5fc8baab8ade75a72fef60a1138200593958613251e94da37fc34c37990e418920e8e549c68cea1eb958f25d0
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SSDEEP
1536:2Z7C54119sorkYRtBIVuEty4BLv8A5+71c7xyW3bL/SswWQpOCkwT:k7vsor3RtOty4ZWcVBbL6sfCz
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-1-5-21-3054445511-921769590-4013668107-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3144 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe 3144 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3144 wrote to memory of 2368 3144 AcroRd32.exe 90 PID 3144 wrote to memory of 2368 3144 AcroRd32.exe 90 PID 3144 wrote to memory of 2368 3144 AcroRd32.exe 90 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 1580 2368 RdrCEF.exe 91 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92 PID 2368 wrote to memory of 4360 2368 RdrCEF.exe 92
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\a3103047159638763002dd0cd232f988.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:3144 -
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:2368 -
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=4BDD57D5D8E39843A14BB514D64DC180 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1580
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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=5E3A6AB0AD7DAFA93705AB5D08558FAB --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=5E3A6AB0AD7DAFA93705AB5D08558FAB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:13⤵PID:4360
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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=9F105D3A0E329BFDAB37495E10C9D626 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵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=29287FDFA1C32916A72E6952F103114E --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=29287FDFA1C32916A72E6952F103114E --renderer-client-id=5 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:13⤵PID:520
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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=260321BE24ECD5D920A82C32AE507C78 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1676
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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=FE62880B0F50DC28B3FFF1D63AA25C1A --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4280
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:2824
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD557d579f2d3426dd3439035cc24ad4b5d
SHA1963b85c42365d3b597b66d28723b984f5275ac93
SHA256b3f3077f17a4079d0dd2079e661432c0d407d9ffe83dba1860c78e4119925be0
SHA512206219b1cd41d06686d95c919fb74d6704792b11cbee194ca0a2140d89ccd33299d156d1d0dc1ec28efe3284c18f44ee8bb3bfe6958abded8366c3fef8f79a34
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5