31af099896c66d6f40e9893b423baac875960a78aa03ffa20d1333d0fde2e47e

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:31

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General

Target

047e1dbadee4a70dae6d220cb0859275.pdf
Size

77KB
MD5

047e1dbadee4a70dae6d220cb0859275
SHA1

478a7187968962218c57b4bf3bd02e35613b84fb
SHA256

31af099896c66d6f40e9893b423baac875960a78aa03ffa20d1333d0fde2e47e
SHA512

f35b984c67ec0fd9cfdd56aa8d4988543578830817dbd7b54bf5796b76c2f93dbaa1c53038559c0550c455a10d855c2dfb6fc0240e59af69e50cfff0f11bd20a
SSDEEP

1536:zL6D5ZtyCwGpGb1NQESOignOetTudhjw/UiJyfMTv8GN9IsZLFJYIWVlVeGHl/Jg:OoCw8w6Et2eZuzw/UgThQAJGVlVeGHl+

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe
3504	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 4548	3504	AcroRd32.exe	97
PID 3504 wrote to memory of 4548	3504	AcroRd32.exe	97
PID 3504 wrote to memory of 4548	3504	AcroRd32.exe	97
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3272	4548	RdrCEF.exe	100
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101
PID 4548 wrote to memory of 3128	4548	RdrCEF.exe	101

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\047e1dbadee4a70dae6d220cb0859275.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3504
- 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: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=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=77175FE3DF2626F3749BB7050A7D3AF1 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=2B0075C24C6AEE7644D7594F27532706 --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=2B0075C24C6AEE7644D7594F27532706 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3128
- - 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=FE96106797C7A274D426376CAE9EC6FB --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=0E53326E827AD83D4786B6F7AEF4AF93 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=B7173640D4FCFBA07428EFD983BA7396 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4656

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
73e2ab35d296ed1326de31facc73202d

SHA1
8f8ad94cfc8ea23069a89ad7b598d16b59181b57

SHA256
bb0a465bfd09cc67a3459ccacf9e6a824dc246650f95be5eee54daece67b00d0

SHA512
e3f569ac7e10c24a2b211236524ed3d386cf1c84d1bcc0519c2824d45dda3729ce47a59e33ad0613d373320f1147f53535375e7a15ec0925ca409422c81cd1c2

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