5cf8452ed6ab84e6a6fd418ef888ed5cb6374c166da1ab70aefd816f9306f4a8

Analysis

max time kernel
203s
max time network
211s
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 12:50

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General

Target

490783f674925be66c47f26d7bd81cbc.pdf
Size

89KB
MD5

490783f674925be66c47f26d7bd81cbc
SHA1

b108934ef7db3db2f8c9725fe29b1218a284aca2
SHA256

5cf8452ed6ab84e6a6fd418ef888ed5cb6374c166da1ab70aefd816f9306f4a8
SHA512

3605e7be43ac5c3a6faf5f2776328d912128d5317d41274b14032893cb6adcfe0eaa18800c338ca0d138ffac7bb955e539f16365cf40c6dfd26235f2e202cad4
SSDEEP

1536:VRX1JXdqqSiP0I5vWMQYCcfMH9Okqq0WJa5VVIgCpMAd4JVlyWOpOwrKWnvZxOM7:nXPdsiB5vdQ4EH9OkqVWJa3qgSMLRnwp

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe
2388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 3492	2388	AcroRd32.exe	94
PID 2388 wrote to memory of 3492	2388	AcroRd32.exe	94
PID 2388 wrote to memory of 3492	2388	AcroRd32.exe	94
PID 2388 wrote to memory of 4804	2388	AcroRd32.exe	97
PID 2388 wrote to memory of 4804	2388	AcroRd32.exe	97
PID 2388 wrote to memory of 4804	2388	AcroRd32.exe	97
PID 2388 wrote to memory of 796	2388	AcroRd32.exe	101
PID 2388 wrote to memory of 796	2388	AcroRd32.exe	101
PID 2388 wrote to memory of 796	2388	AcroRd32.exe	101
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4332	796	RdrCEF.exe	104
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106
PID 796 wrote to memory of 4404	796	RdrCEF.exe	106

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\490783f674925be66c47f26d7bd81cbc.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:2388
- 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⤵
  PID:3492
- 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⤵
  PID:4804
- 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:796
- - 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=A0182D0815DC8F3B6101D21ECB6B0748 --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=A0182D0815DC8F3B6101D21ECB6B0748 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4332
- - 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=C28FD6AE76C66F33A3618908B85859A5 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=DBD9EB26FA3B4B5813353B9D2FE278E5 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=166CF8B6CBC80C036FBF625D721E9EA9 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4968

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit