18ce894e6638745660b7ad99671daa94201de1f7a4097e31def2642a38ecfd5d

Analysis

max time kernel
143s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 02:51

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General

Target

3bb301b616fbe69df09471daced7fcec.pdf
Size

136KB
MD5

3bb301b616fbe69df09471daced7fcec
SHA1

4b8c82101cfa9ed6e3b2eaffb55b0a0a3247aceb
SHA256

18ce894e6638745660b7ad99671daa94201de1f7a4097e31def2642a38ecfd5d
SHA512

690fa4e4c39593eea793eb9306fbef7dde922efc378a6e959cabcd5fe81e6568fb96e346189ce5abfb9d91bbf6e512e72148369119bc5a93bf7133958614c6a7
SSDEEP

3072:P0DoF7qOk5jgvgBnYJS09gJXxEyKQK1QIaVB3B+N4IQqK:P0u73kO409Gy9QIl4IQqK

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe
3976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 772	3976	AcroRd32.exe	94
PID 3976 wrote to memory of 772	3976	AcroRd32.exe	94
PID 3976 wrote to memory of 772	3976	AcroRd32.exe	94
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 1472	772	RdrCEF.exe	96
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	RdrCEF.exe	97
PID 772 wrote to memory of 5036	772	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\3bb301b616fbe69df09471daced7fcec.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:3976
- 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:772
- - 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=F9F8FED0C7C4FADB84645D610B42D2B3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1472
- - 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=AC32799E66FC9E5D981C9E9F38D6B350 --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=AC32799E66FC9E5D981C9E9F38D6B350 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5036
- - 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=0C307F198F596846DAF56DF85D06B3B2 --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=0C307F198F596846DAF56DF85D06B3B2 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3660
- - 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=72AAD6CAC53572968FE5A5582F04C2A4 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=FDC36344A56CDFD3015AA4EF8143AED6 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1756
- - 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=FED22E5E7F7C00B3599BDDDBE32CAAF1 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1364

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

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Downloads

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

Filesize
64KB

MD5
a4bff3fe7f3b60fb5df8bcbca7a71258

SHA1
b04fcf5bb6351023ceb61ee2e20d248cce7c3761

SHA256
d5dea6b5dbe5621afdfa84a5b25207742adf92f2902d7583e4656fa1c487cba2

SHA512
42afd17078d8de57e107dfb6f9be2eeefce68a4d3a18cf6bcb672fe6d0ef2216f28bab99b24c1be98906297de43026a5e11a9683e090c0ccdbd7f0a90cfd993a

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/3976-28-0x0000000008FD0000-0x0000000008FF1000-memory.dmp

Filesize
132KB

Download