85b3d0e1d8ccd39dd11fff0ddd852c9c85f2a0b35ff62c30afd7815fd348e675

Analysis

max time kernel
101s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2024, 03:06

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General

Target

4082d9fe23527c60856352c5610cc3f0N.pdf
Size

685KB
MD5

4082d9fe23527c60856352c5610cc3f0
SHA1

d7f9efd63b5df82c29dbdc6289fd845234321611
SHA256

85b3d0e1d8ccd39dd11fff0ddd852c9c85f2a0b35ff62c30afd7815fd348e675
SHA512

454027fd80dd678b4cede90370ab873161b70114e3ddac482efb367fd31f6fb8fa8c97e63a111e56274a3df9d288b58389217a71ea41e277daf0265c44b11de9
SSDEEP

12288:nKdROalvctqcJU1Y83WAV1TMwAdGWMm0CmFjNFWbC5mRvo2MPCHakh2hRb6R/+:nyoBU1hMw0GlEU3WF5o2MWL4X+R2

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-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
688	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe
688	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 5072	688	AcroRd32.exe	89
PID 688 wrote to memory of 5072	688	AcroRd32.exe	89
PID 688 wrote to memory of 5072	688	AcroRd32.exe	89
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 5020	5072	RdrCEF.exe	92
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	RdrCEF.exe	93
PID 5072 wrote to memory of 800	5072	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\4082d9fe23527c60856352c5610cc3f0N.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:688
- 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:5072
- - 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=ED42D2E175F3DDDE110EE45FB7B238DB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020
- - 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=30FB932C4CFC74C0FD1667435B81EDBB --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=30FB932C4CFC74C0FD1667435B81EDBB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:800
- - 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=527568ACBBA2B4BC383228109366E56A --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072
- - 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=457634DB7C2A6B81354D8E228CBE45E8 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - 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=731D0CD693BEB39CF48DABA1EB73B761 --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=731D0CD693BEB39CF48DABA1EB73B761 --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4548
- - 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=23050BCF0961E9D569C7E92607BAA40F --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2880

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

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Downloads

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

Filesize
64KB

MD5
e6bd9212fe074f3fd713271ed351ac90

SHA1
972a04ec81087b25318c14b3c5e89526dbf4c665

SHA256
71915ac85f1b2949691c69b221c451c2dbc1916de67d9ed8a580180b186d1252

SHA512
58f02908d3edc36260e9b09a3f139153e6ef23d61a0a02506ff73f52ab7c0114350d4caa5a0c0e2b8a84754869858ffea06b8a0170a097cc4eefcc45e4ad1235

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