1864328e3b2d89138312daa25d140167e0a4223b80f0aeab7190914e69608a7f

Analysis

max time kernel
591s
max time network
501s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03-05-2023 05:49

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General

Target

b50243e912092281d37309cffff462b7.pdf
Size

45KB
MD5

b50243e912092281d37309cffff462b7
SHA1

bf2d5c268a9dda7850854e33aed258270c8110ed
SHA256

c696aea6484b032750b570a898fc15e87b92b2f8f8fa9591a37894c0f07f72fe
SHA512

1b6789b2d72d10c270e46015080ca259e1eff9f175bbc87b549d1afdf8ff2dc8514ee4c8296a8f26d215bd2b9193590a5e08eb4e36e323fddb1ecadde9e93fe4
SSDEEP

768:n8iqVjgocGH4FBncGH4FBQNsgecGH4FBMpamnnn6TVrXmm1QghP:8Ncs8csxecsRnnn+9P

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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1916	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe
1916	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 768	1916	AcroRd32.exe	86
PID 1916 wrote to memory of 768	1916	AcroRd32.exe	86
PID 1916 wrote to memory of 768	1916	AcroRd32.exe	86
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 3620	768	RdrCEF.exe	88
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89
PID 768 wrote to memory of 620	768	RdrCEF.exe	89

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\b50243e912092281d37309cffff462b7.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:1916
- 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:768
- - 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=A79266FC7C64EB7C7DB6E780B3FBB653 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620
- - 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=C0497D1728E850DE99F621B501ABC101 --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=C0497D1728E850DE99F621B501ABC101 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:620
- - 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=C5537D1BBFBCB561EB635071E754B355 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=5FEA2498CB5E516E7EC1F2107A09499C --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=5FEA2498CB5E516E7EC1F2107A09499C --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2600
- - 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=184B9B87FD019F00358DC899D7993A85 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - 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=20A22FCF618B14A42949BFF026AB7CED --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2692

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
e2a2c9d37d62026231df657a76b21d2b

SHA1
216e68bcc9ffbb37c62444d8fa666ba48bc7a224

SHA256
28ff1d87f6a5bc12848430feaf17d35dacbe3df47bdc6006c2dbb2f031accf2b

SHA512
beee52059c20c730240f2b81366e12a64fac53f5d9b9650ddd0623969a3a9ec28a942f4c3d69d3b059a2c919a485b09d8548ec520ecfc5e5e940e04ca6bb2316

Download Submit
memory/1916-160-0x000000000A3B0000-0x000000000A3D1000-memory.dmp

Filesize
132KB

Download