c765c90ee23cdf349b924a8f9fd0d6505c2bda187e0b5615acc72fb26ffde4fe

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 15:23

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General

Target

ac3518eb52a94bf23737e8be54a0e0dd.pdf
Size

85KB
MD5

ac3518eb52a94bf23737e8be54a0e0dd
SHA1

691f948f8cf6a9dd686d7ea641506d81a2d0dc58
SHA256

c765c90ee23cdf349b924a8f9fd0d6505c2bda187e0b5615acc72fb26ffde4fe
SHA512

10fbdc8b778ae4c30fd753eeeda822039a7d47a6c9bdc3736b93c8e0a1c692f677624cbe0ca675ed1d8be383384c103b7b905c9b9a66461f9bee88391244681c
SSDEEP

1536:X1nV7ExIkrNjUOYqgvo9Vfi1CO3HZ+32vZ+iDMQon4eyb28UvWHpOvifG8tlGaWP:FnJExZrNwOYfoLi1lXZbYiDQZ7PtviOv

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 4904	3048	AcroRd32.exe	94
PID 3048 wrote to memory of 4904	3048	AcroRd32.exe	94
PID 3048 wrote to memory of 4904	3048	AcroRd32.exe	94
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 1284	4904	RdrCEF.exe	95
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96
PID 4904 wrote to memory of 2940	4904	RdrCEF.exe	96

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\ac3518eb52a94bf23737e8be54a0e0dd.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:3048
- 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:4904
- - 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=822CA7FE452A95F6E1C4F724FC8B99A7 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - 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=2075931D19FE58B6F1E25F04369C4B05 --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=2075931D19FE58B6F1E25F04369C4B05 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2940
- - 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=AA85927FC02005FC6D62B3599B4E4789 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1556
- - 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=1878137B549FD38B4E6CB8BD051F15F2 --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=1878137B549FD38B4E6CB8BD051F15F2 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2064
- - 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=D953190964574E1073DA852948F78171 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- - 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=4BF1DFCA44F1FEC408EC34D17896282F --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884

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
f912e4e729bae15675e32e5824e3c105

SHA1
aaf797631eaa7fcf3fdb03108b75a8abcf94996f

SHA256
35e543315d3896cd3aa1ea20fe4a98c80625400829055a3f563a2d3530fd0d34

SHA512
8925a3680d3c32ad92ba1598a173f5275a3f3c02c83959644ce25872d277bf8461cd3a42c7e8b6177efb2b274bf12990dfcfbb68df6204c3d04b023633bc7eee

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