5055e8b0c0095169bfe893910fa408925c6ab23ddd872fb0ee18c998ebceeedb

Analysis

max time kernel
148s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2024, 14:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3ebe8c8ef7e4253f193c6e1acc492819.pdf
Size

89KB
MD5

3ebe8c8ef7e4253f193c6e1acc492819
SHA1

8d0ab43d0aa08eeede4f6bd3a2421506eee2ae49
SHA256

5055e8b0c0095169bfe893910fa408925c6ab23ddd872fb0ee18c998ebceeedb
SHA512

bc6cdc74c66a995990b31f9327185641ea5a2cffa575b29d7c979a6bfed7ba12ba7170e49fa5906e2d0f8bdbfa1ada5453eebde8cc7960d4e01d1c66e0280317
SSDEEP

1536:Wod0AGAlTOedIJqTCwCnEswTk0gdpPP1Wc3MFZzCWOpOwrPqqjwfSLcb:3d0FAlnjTCwCnrwTdmPPiZz3wrPNwKL8

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe
4864	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 4780	4864	AcroRd32.exe	90
PID 4864 wrote to memory of 4780	4864	AcroRd32.exe	90
PID 4864 wrote to memory of 4780	4864	AcroRd32.exe	90
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 3536	4780	RdrCEF.exe	96
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97
PID 4780 wrote to memory of 1132	4780	RdrCEF.exe	97

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\3ebe8c8ef7e4253f193c6e1acc492819.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:4864
- 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:4780
- - 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=DEA9FB18874EA9520731428A7907F662 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=826E8A55F786AF0F8582A0B5CF2B2BA6 --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=826E8A55F786AF0F8582A0B5CF2B2BA6 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=7AC11B44FD9AFAFF7337D83600485BE4 --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=7AC11B44FD9AFAFF7337D83600485BE4 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1148
- - 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=EF06D544D92975A077FEF5C6CA7EE4F8 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2872
- - 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=F4D8ADB063383BD39DE7F4211C989FAC --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1652
- - 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=6FFA6DEA6E42926E7FFB0965660B5560 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:924

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
304136b806ab8d48e2aee7bfd49850fd

SHA1
b06e6d0c5c9218e91632a3ae374b6f69a431eebe

SHA256
7bda45b5aaa036721119346947c1e8618f1444115ae9db77cfb7de6cea8818c0

SHA512
a45119f96b22d785fda78af43b373897b6bc0b85f9f99b7629f37deda57e1820458b07cc5c6299bc04a2b188a0385b4924bd1f696d8f976a629bf6763a7870ed

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/4864-100-0x000000000C8D0000-0x000000000CA1D000-memory.dmp

Filesize
1.3MB

Download