Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
Davis Melatonin Sample COA.pdf
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Davis Melatonin Sample COA.pdf
Resource
win10v2004-20240910-en
Behavioral task
behavioral3
Sample
PO 2365433229 pdf.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
PO 2365433229 pdf.exe
Resource
win10v2004-20240802-en
General
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Target
Davis Melatonin Sample COA.pdf
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Size
384KB
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MD5
e49795c3e16cfc641729d7963352869a
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SHA1
4e3233a6a625d7fe3de70173a9598b8c0428ebbc
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SHA256
b9f2c424d446327ab10ca571755fc1ae4f375f05abe633de486ab796a7bacc9c
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SHA512
64e98d207c92a2f316ed812f75661990fb81f4553bb6c215b42c23cd26b638891cb3d74d12587660cf3009a31e87c4f31fc44624eae04c668ae373d55eb01a11
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SSDEEP
6144:BLmOR7/nQzTQZln3WC0TBuxEK1YZmlIQfmYC8qWFF7lKs7a6X2:BXcQDn3wuxlWZmlIQf48VFZV2
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RdrCEF.exe -
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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 808 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe 808 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 808 wrote to memory of 1456 808 AcroRd32.exe 91 PID 808 wrote to memory of 1456 808 AcroRd32.exe 91 PID 808 wrote to memory of 1456 808 AcroRd32.exe 91 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 2044 1456 RdrCEF.exe 94 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95 PID 1456 wrote to memory of 4576 1456 RdrCEF.exe 95
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\Davis Melatonin Sample COA.pdf"1⤵
- System Location Discovery: System Language Discovery
- 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:808 -
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1456 -
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=26CE624D45D8D8DBAB23B9E22432BDF5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:2044
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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=DB2F5FFE5C24E16ED3826BC2AA110548 --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=DB2F5FFE5C24E16ED3826BC2AA110548 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:4576
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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=0324C90DFCE74E82A859B03E20048CDC --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3476
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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=ADA8AC086D1A83F3357FE512BEDE5EA1 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:3688
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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=E0DCB4EBE3C099C07F51E9D1C4F6B6F5 --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=E0DCB4EBE3C099C07F51E9D1C4F6B6F5 --renderer-client-id=6 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job /prefetch:13⤵
- System Location Discovery: System Language Discovery
PID:3088
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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=5C5F84717151B4B1AECA40211B42C7F5 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵
- System Location Discovery: System Language Discovery
PID:1988
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:4156
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD591b52314cf91a61ce7bb8be5502ec820
SHA1b6f74c5e8e160733fb61ddfc1129146874c62f31
SHA256ff8395cb8fdbb56d400fdc240123853bd2dff0ecca4f5579cfdd264594fa8c4b
SHA5124934a159e9ac7726492cb1e27ebaeaed036649ac0e5cab949e5f52f11944381ba2bbf540d23d2d6369a2675d020eb4f9fe0752c1ab0e975303bef2cdb3be41dc
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5