242fa8275bfd587e22ee36fe507bdc604c223f57a1cf263537858b4fd4b1df5b

Analysis

max time kernel
142s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 17:37

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General

Target

49a10190aab96d5464261fef71a1f162.pdf
Size

113KB
MD5

49a10190aab96d5464261fef71a1f162
SHA1

e707d57158930cbccefc9be94037f29ef17a1fd3
SHA256

242fa8275bfd587e22ee36fe507bdc604c223f57a1cf263537858b4fd4b1df5b
SHA512

b9de31b6009a698ac77367106e4fef3dc2b624a5cf24b2a7ac4fdfdfb04539b059052965458f77235ba4d9e9cc3f9cf202e935d9a9412b292fc97bd1e936e7a3
SSDEEP

3072:Nhvv7JaqHMpDj9wNHMkRl6pnfE3vd732GN3piZskr4PI:Nhvvd7MpBil6nfE/1vEZpMQ

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4968	432	AcroRd32.exe	91
PID 432 wrote to memory of 4968	432	AcroRd32.exe	91
PID 432 wrote to memory of 4968	432	AcroRd32.exe	91
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 2800	4968	RdrCEF.exe	92
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93
PID 4968 wrote to memory of 1392	4968	RdrCEF.exe	93

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\49a10190aab96d5464261fef71a1f162.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:432
- 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:4968
- - 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=7DD0E94B9CDEDF114173727CECCE62A6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2800
- - 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=316CAEA86E26668B12B78B48DB8B2475 --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=316CAEA86E26668B12B78B48DB8B2475 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1392
- - 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=726ABA96F78C361A1B441D3E3A5F4DF4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1540
- - 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=AF632B85C1DC93F8C2CBC52AAEC09D38 --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=AF632B85C1DC93F8C2CBC52AAEC09D38 --renderer-client-id=5 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2756
- - 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=4DCF268D59AA4C5E2BC9EB187C171F99 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2552
- - 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=111444CF1B17FFF82A81E935E0BF4C72 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3164

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
6b72a4f1efa422b45bcd88284925c35a

SHA1
b62cb6bcc3152d0ff77e8aa6e4a730ce986f1da5

SHA256
8c1ccd30c199659172f138ae7110916425d21aa098e5aeaf099cc79efdd08e8d

SHA512
3af44ac557080c254633159ae9af76e814e160e8e1b2b6ec54325176fe59f097aa3d6b7ab713a47b7a79e03bd10fd0f6f3d0ca3defb98c016b0dea48e8e8a277

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
memory/432-27-0x000000000BD00000-0x000000000BD21000-memory.dmp

Filesize
132KB

Download