5c99ca9a1667785e1299d3d5539bc2f87bf3b932e4f85498009eff9ea9737222

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
07-07-2023 20:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0670HJ571bo77.pdf
Size

354KB
MD5

d4e45135d318247b0db5f7a66b886dae
SHA1

c21412e7242999d5e0d89f7a260012688ee2f49c
SHA256

5c99ca9a1667785e1299d3d5539bc2f87bf3b932e4f85498009eff9ea9737222
SHA512

e0ff6c244779409534fa13da55cd86fe9c3ce30cb2dc5fcf6356a48f98ad22c441e532a37b69644eb58b2aca58b2c74418df30c3dd407fd4520d22c3c43ccfb5
SSDEEP

3072:G2jex3TK0GZ845NL7pOjKaajWuP7xd4p9G4hoMSRETHtq4QF89OfkM8kDWD83M6p:s94eEFCXGyaRqHY4QK9W87ZJArNcY

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-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe
4032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1404	4032	AcroRd32.exe	84
PID 4032 wrote to memory of 1404	4032	AcroRd32.exe	84
PID 4032 wrote to memory of 1404	4032	AcroRd32.exe	84
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 3204	1404	RdrCEF.exe	85
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86
PID 1404 wrote to memory of 4436	1404	RdrCEF.exe	86

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\0670HJ571bo77.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:4032
- 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:1404
- - 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=1CCAF9BB0D0D5DFFBDE7DCAF10799CF2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3204
- - 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=D84507C0DD2DBEEEB4D61016231ECD3F --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=2 --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=D84507C0DD2DBEEEB4D61016231ECD3F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4436
- - 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=D5F372300A8FB019245A8F3D78F6396D --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:780
- - 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=7F5254D4646F283016BD525CA5487335 --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=2 --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=7F5254D4646F283016BD525CA5487335 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1260
- - 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=5640E83DFAA75BB481AF0272028DAD42 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=97C0CCB8866AC5DCE3C39C00374D46B7 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:676

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4688

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
83c760f7e3ea340b188e3ccf56ef4d05

SHA1
e791b69c466abf8316c83ba50c0e4ea846ff5cf2

SHA256
82962d00a6e8d92a84d5be2da3f7fffaa10e07f9c48db6c80f09e6540992de54

SHA512
34cbcb7dc741394fd052346b4aa6ded86f2dc23bb5291d514dba7451b3479c308a49eb9321cd4aa06a2bade9b4f1b67bf14788f9be78b190be918bffa05d95aa

Download Submit