d8d5a7e765d81272fe05646f98d08df2504ae0e63bfcd480cacb772c5b832294

Analysis

max time kernel
141s
max time network
126s
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, 16:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b9219a5bc7ae56be4ea66d33d05fd6e6.pdf
Size

88KB
MD5

b9219a5bc7ae56be4ea66d33d05fd6e6
SHA1

6547c037c67ef1cecc2527c90024623dc9eb5da5
SHA256

d8d5a7e765d81272fe05646f98d08df2504ae0e63bfcd480cacb772c5b832294
SHA512

4bf3cfde15dfc8b4b30d5b367d99a9fa34b16fcbcb888f28ae466b7eb4a3d25ece77680328d5eca82d7c14b8e46753c46f25a96136ca4848426a8a62e151a7fe
SSDEEP

1536:SV+SH+NUVIrdr2hSwcb0aHfx0KB1A6RbqGQcDYhTc15moEcnsE0ox:ud+i2pr+nS/HpZ/A6VLQthTc15moEcnZ

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3604	3940	AcroRd32.exe	90
PID 3940 wrote to memory of 3604	3940	AcroRd32.exe	90
PID 3940 wrote to memory of 3604	3940	AcroRd32.exe	90
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 3800	3604	RdrCEF.exe	107
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1516	3604	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\b9219a5bc7ae56be4ea66d33d05fd6e6.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:3940
- 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:3604
- - 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=0749A3399E2652E6F1C2EA817C91AF1E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3800
- - 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=DB08959DB7DCD0749854DF7705422C9E --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=DB08959DB7DCD0749854DF7705422C9E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1516
- - 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=40ACB74F36023EC6E849BC4356D8475B --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:872
- - 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=437AE7CDFAF27B5F1F1F4759BD1E0D3A --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2828
- - 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=B494AC6658984B71BF63BEB692BFB503 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156
- - 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=6AF31527924CF5A21CE90E8D4EFFB00E --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=6AF31527924CF5A21CE90E8D4EFFB00E --renderer-client-id=8 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3040

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv n4b9h/CVvEaxn1UCJ1q2ug.0.2
1⤵
PID:3800

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
43effa0b4dd7a2f4cf5f34770eb72ec9

SHA1
f6682527a7d490702c2c5423d455ff6fd68a8baa

SHA256
8efb50138b714d129aa7eb332d050353f7bca8600f36a542720c3e75ccfe6b7e

SHA512
fa11033040fa47a91cb603079d2fd261ea2390d7367a5272506970f66ba491dbba447b8907d2c761cf0c7da40a603c8dc5c937e3b8ca2de731a5949040d526f8

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