9d3f9637e64fa8f4591105e9e54ea236d2ac496454ee6c3b84cefbd124842f63

Analysis

max time kernel
102s
max time network
103s
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 06:06

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General

Target

597c80d502a992c30bb034859a8760c0N.pdf
Size

40KB
MD5

597c80d502a992c30bb034859a8760c0
SHA1

1f57689ac40dea3cbe930c9eca067e615898f11b
SHA256

9d3f9637e64fa8f4591105e9e54ea236d2ac496454ee6c3b84cefbd124842f63
SHA512

009e8db2c2ee48033fc65816e28a737c01e779beca736630860c4c6e465a6083c290add27e0b3f84a27b0158fb54dd9e44cd42bb10b3fd406f2928470e896f04
SSDEEP

768:svlfbopXCzelIjXNtYiX/tnxRiwHXCoF5w6a:svJbCXRlIrNaiX/tHiwHXJBa

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe
1744	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1972	1744	AcroRd32.exe	91
PID 1744 wrote to memory of 1972	1744	AcroRd32.exe	91
PID 1744 wrote to memory of 1972	1744	AcroRd32.exe	91
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4388	1972	RdrCEF.exe	92
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	RdrCEF.exe	93
PID 1972 wrote to memory of 4908	1972	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\597c80d502a992c30bb034859a8760c0N.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:1744
- 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:1972
- - 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=A5AB31655554A0072D3B632A6D043B79 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=98E274E96F358A9A4AC32E397D0E7519 --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=98E274E96F358A9A4AC32E397D0E7519 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4908
- - 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=851C30B02CE455007E3AEF4A3E60FC7D --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1172
- - 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=E16DC0D2FA24ED8595A7729435B016B7 --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=E16DC0D2FA24ED8595A7729435B016B7 --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3888
- - 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=B49A163E554B61A4B0AEB374C4D115D2 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:888
- - 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=4BC53CB0F2B4B7CACFBD4BC6BD7C3637 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2732

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
fa04ab91829876f9836666a57a33fcf0

SHA1
4f9f94ad889077475370303c36cc454881dac95f

SHA256
f0f26f7344676d6fda5bf238c27c60a703f3703737b25aa8c5588677a7152718

SHA512
ebf5cd7bb37ba8927187e83dc05438d8d61f5b5ba5a6ed03d32452059888223c8b3c0856d49b76bb1a3ae74f1a6997446307d1a65285bacef8b6da8ad4aff04c

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