4d2a63f095fbf3731a198cd304e174a18c50a89432c724559dd42ddc547c0d29

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 05:31

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General

Target

8b853197b32a44fb12f7239ab6bcf892.pdf
Size

104KB
MD5

8b853197b32a44fb12f7239ab6bcf892
SHA1

e9d5ba58b9bc77e1e9dadaf4b075e283b78a80ae
SHA256

4d2a63f095fbf3731a198cd304e174a18c50a89432c724559dd42ddc547c0d29
SHA512

27f470bcc3e62f329f5c1f93f012f95a86a83c3e95d0a814ac663e6c5e9ff5140f2e82e439ec02fc1f65b0ced491932337da33b3b48f93c5ed47ca358323fea4
SSDEEP

3072:vqmlyie8J/DaIk4xFZ/hb75nqXd9WRfgyp+qw:vqMe8J9x9b75adUap

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 844	2812	AcroRd32.exe	86
PID 2812 wrote to memory of 844	2812	AcroRd32.exe	86
PID 2812 wrote to memory of 844	2812	AcroRd32.exe	86
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 4068	844	RdrCEF.exe	89
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90
PID 844 wrote to memory of 2008	844	RdrCEF.exe	90

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\8b853197b32a44fb12f7239ab6bcf892.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:2812
- 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:844
- - 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=E0EA2709D86A0204B946A5FFF8B0CA4A --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=F79F75ACD36E578ED5CE202D981DA362 --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=F79F75ACD36E578ED5CE202D981DA362 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2008
- - 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=5E523C1B6BA8D402932EC042B41EB6EF --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240
- - 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=E9E03AC5557D3B35CCD55F9BE3AEBAD2 --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=E9E03AC5557D3B35CCD55F9BE3AEBAD2 --renderer-client-id=5 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4652
- - 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=15568B92EEAD14874077F83DF3D18DBB --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4080
- - 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=9FA1CB51CE27BB8A922F62218FF7850A --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3492

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
48d1b08cdd445d789d356ef2280a8ddf

SHA1
a09c625a3fb03b7e6743c2be0e49a02a8ca5690f

SHA256
6cef253ae980ffd2d4c3061cc34d142c389231228b3c51c7b2be10f631f8ac48

SHA512
763ee392cbf4291b8ffcd12bd5b297a2a9c26224785ccc2682eb11185f0277cf32b08e389f5cd8c4c0eb63edb01d3bf40159fe6309e6f924dbfd371bdddd7660

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