4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 13:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11.pdf
Size

2.9MB
MD5

d4f5b98d072f061e4ae41a8fb7c9bf6d
SHA1

4443abaf018dffb34746b649e3b289c97082e778
SHA256

4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11
SHA512

05df53c39122be884130d725f1fee26fc54a5ad3c7b33026a93ff298148eb509460cca32776aa4704f8c8e970970e9f633077f2a3ee1c4c6918282c0aa9b91f1
SSDEEP

49152:I66fsKpKV8fJTaNeX+2faOrNETjuEH51dYEX+WYvdfzgb1gdu0fl5X/oMlf:IT8ifJTB+8rN4juEH51dvOWGt5du0fQI

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe
1512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2564	1512	AcroRd32.exe	90
PID 1512 wrote to memory of 2564	1512	AcroRd32.exe	90
PID 1512 wrote to memory of 2564	1512	AcroRd32.exe	90
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1972	2564	RdrCEF.exe	91
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92
PID 2564 wrote to memory of 1136	2564	RdrCEF.exe	92

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\4447c8ea6642b37538822292dc46192a7039dc54ab0d889172ab25dd15353f11.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:1512
- 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:2564
- - 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=57D524BEE1DB8F84B43724156E9FF902 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=952A81DDDEAA3E13FD76D668F0AE4B48 --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=952A81DDDEAA3E13FD76D668F0AE4B48 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1136
- - 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=020E7D95C9C0A0B968D8E02D873E2990 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=C3FCA7D6451D0FA080CDD7427605EF93 --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=C3FCA7D6451D0FA080CDD7427605EF93 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4092
- - 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=BEB1C6D84DD6F5E47FA785CF134DCEFA --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584
- - 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=C497809E66A0FCCCDB633F83FC625C58 --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2828

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
0d9c9843d799436789c8f1f259eb42b3

SHA1
bf792d3c827d97b099042ce25ef05d9480c15806

SHA256
eab343e964e2ac6a1b8744f5463b49402c083808421322764eb0569dd3ab6c1f

SHA512
0e7d7165cbc05ac80e75f0c9cbe66a3b138442be9b1fbcc6723f9f8110693f439d6ad47b6cbb68e4ed9003443dc5bd56f2017b6e5a8511854640198bafe75172

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