a8de4307021f75201ca7ab266bc69c1924b7ab2a6ceefac77b639ff2c18a15e6

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 22:31

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General

Target

1e8223b80024113f2082280a3fbc8a18.pdf
Size

78KB
MD5

1e8223b80024113f2082280a3fbc8a18
SHA1

68b98b561a5dc36cef0384b89f1eae4e26c107fd
SHA256

a8de4307021f75201ca7ab266bc69c1924b7ab2a6ceefac77b639ff2c18a15e6
SHA512

f54a67ba413fe033fe8966a8c55ff21edd749444080214cc4c06a570f81ef6c00a4fc4de5ae8951eb750483cb320caf66681a94f039a6da4bcbed101dd147cea
SSDEEP

1536:A0vvI4tNBm9ZLxQDD3aRDKHyTvVpNWGzbwL1ZfWxApOGMhU3Z:5vvIWTmXeaRfBpCZA3G46

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1760	2020	AcroRd32.exe	92
PID 2020 wrote to memory of 1760	2020	AcroRd32.exe	92
PID 2020 wrote to memory of 1760	2020	AcroRd32.exe	92
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 4852	1760	RdrCEF.exe	93
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94
PID 1760 wrote to memory of 3732	1760	RdrCEF.exe	94

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\1e8223b80024113f2082280a3fbc8a18.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:2020
- 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:1760
- - 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=F797B99472D476FE11FB9F0FCC7CF43C --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852
- - 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=F8DDF44F6985FEF265EE49ABB101C52A --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=F8DDF44F6985FEF265EE49ABB101C52A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3732
- - 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=81C05A68C624AF0D838DD5A1522C89C0 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=F1AE7B57852F48C135CFF91141DD6A8D --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=F1AE7B57852F48C135CFF91141DD6A8D --renderer-client-id=5 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:916
- - 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=658319CA61518CF7AC1EB01522424DF4 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=5FB919D2EAC42506D68F30B71E12B292 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2104

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
fadab0e3a112bd947bb8440d1de56f6c

SHA1
382a9909e62481fcd81f169406b8b7f37ca4145a

SHA256
1813420ff1110212819ef6d2892a986b8eedc5b50c9a4ad56dfb5e8d7e6a23ad

SHA512
6861b99325b8932fb97b8212d7c549c40b31c372231324e3bd10374be25199066677a778fc1cf39d019e66d82543b430bae91ca56251aa5ef574c1684f21db2e

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
memory/2020-28-0x000000000AA00000-0x000000000AA21000-memory.dmp

Filesize
132KB

Download