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Analysis
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max time kernel
149s -
max time network
150s -
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, 12:41
Behavioral task
behavioral1
Sample
a3cefe6343832c51d3d70f4cc0d9a15a.pdf
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a3cefe6343832c51d3d70f4cc0d9a15a.pdf
Resource
win10v2004-20240221-en
General
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Target
a3cefe6343832c51d3d70f4cc0d9a15a.pdf
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Size
48KB
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MD5
a3cefe6343832c51d3d70f4cc0d9a15a
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SHA1
b782c733ceff5ec9d5e313a0722ab618a281c6c8
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SHA256
269f900e4f115e96601667b266d7e051e2d786ca3e7511a5d2815faf3b34fd2c
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SHA512
f51de7533a1d3fff49768b77e9d08e6c0d2c89447ff05adedd7bc91c5f618aa198b0b921e8624a0dea7c443764eb12fd8cb88fba8ea7306010c260af29e63cc7
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SSDEEP
768:6pY3DET78vNboYY8xumnk6j3ObqM/MzBaO+vrbs6I+Pg3hj2rKyv/xHed3GZIX5O:h08BhuVo+bnMzf+TK+YNO/xHeV5Xi7
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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2260 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe 2260 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2260 wrote to memory of 4824 2260 AcroRd32.exe 91 PID 2260 wrote to memory of 4824 2260 AcroRd32.exe 91 PID 2260 wrote to memory of 4824 2260 AcroRd32.exe 91 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 2428 4824 RdrCEF.exe 92 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 RdrCEF.exe 93 PID 4824 wrote to memory of 4464 4824 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\a3cefe6343832c51d3d70f4cc0d9a15a.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:2260 -
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:4824 -
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=83130A5D80E7B8DB3569945776F6E2D1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2428
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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=943E7C88550B3CB2AA6689786AED2321 --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=943E7C88550B3CB2AA6689786AED2321 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:13⤵PID:4464
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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=4A8A78265E997EBC35A1D38837EF371B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3336
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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=17F741ABCA7158E659DFE184E9DE83A1 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:3144
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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=3AD88A79483937940423598943289E0C --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=3AD88A79483937940423598943289E0C --renderer-client-id=6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:13⤵PID:1256
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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=B6EED2C8565DEAE83B88D63AB64D75CD --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2376
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4800
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD542fae96c5bb639402dbad347a3d90bf0
SHA1d2ad54a9219ddeea631f5b522eab3e28899476f7
SHA256b6a123c185fb980cb460a1cd04a352174d65ec32c225f5d2b3df8abe1c206e04
SHA5129ab0579a0845d7bd95d8138f9a3f32d53dce56278040ef083df3e9ea2326d97b1789d229c6030cb324fa64021343656559a99bc7bd5276131e283efd1244feca
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5