92853b65366d780bd7e3a7140cb645059f8faad7c70eacc8115a171baf11093f

Analysis

max time kernel
592s
max time network
456s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
03-06-2024 18:16

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General

Target

Documents/Net Viewer User Guide RU.pdf
Size

765KB
MD5

2f12824234e6d08445be59144d92abd0
SHA1

d91d8546926ea047d60df45b36bc5c44f566c75e
SHA256

af812f1edd0889ec257c4afab1b12e22cf370d57a6a71975f8d92db55e541d9f
SHA512

afe0152ba893b7abf0138e9903362d1168296ee086bba6a14235345a9b5d7da113c06662c50cea687149454286e69b3c36b25e19a8d12b7ba95b27451ba14baf
SSDEEP

12288:ByonSet+tvnxVwvHOGSILMlSJYQVnxGeBnjjSAXReQBLr2/UNGPOpeERpU:BsuoH63S4MGnseBjWAhhBLjcPci

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 5860	3576	AcroRd32.exe	85
PID 3576 wrote to memory of 5860	3576	AcroRd32.exe	85
PID 3576 wrote to memory of 5860	3576	AcroRd32.exe	85
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 3444	5860	RdrCEF.exe	87
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88
PID 5860 wrote to memory of 740	5860	RdrCEF.exe	88

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\Documents\Net Viewer User Guide RU.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:3576
- 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=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5860
- - 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=2BBD8AC43A90E51829CBE2AA959D1FE1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=76E591FEF0DAF02FBFB65D6EDF565BCD --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=76E591FEF0DAF02FBFB65D6EDF565BCD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:740
- - 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=90BD46415D9CA23D26043C633E3C4C4F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5124
- - 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=31595D4E66CA4111BD0E301FF976EA15 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=ABAF2F12A7E7C8FCFBCBA3AB2A5DFD4C --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5824
- - 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=31B510C12CB3380BE5DEE5FBA3020229 --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=31B510C12CB3380BE5DEE5FBA3020229 --renderer-client-id=7 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9d10bee350f13e551a223cfa82ecdadc

SHA1
f13128bf246d70c5598107831f5fd86068dd055c

SHA256
23363f4928f782bee2d7f554b116f6a1112286c93add58ede0113792938017d2

SHA512
7486aa84df8763b9135c8522d8c9da48ca4a3d55ba40e1ac01145b90938c3cc1b256bac9cd373ff44e45252c566c8f0f31643e72301cf157cf3da1d8489521a4

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit