54800435b1fa59e8bbd4972b1bc1a6f10202d8033789927e43140c7320542eea

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 06:08

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General

Target

8e68783f8f3fd4e7c2835f0b7a66b8f5.pdf
Size

88KB
MD5

8e68783f8f3fd4e7c2835f0b7a66b8f5
SHA1

e398b21670b27bdd27bb84d3b6f6c5e0b73b90f9
SHA256

54800435b1fa59e8bbd4972b1bc1a6f10202d8033789927e43140c7320542eea
SHA512

d257ef86576893695947c6909b03ecbc3922f77dd5c6fe61e1db5cc3dda86c06cbb655585889417bc2b703e9f8589e8eea1de034d5b814f1664837dc069d716a
SSDEEP

1536:d1fp4KGBKDpdFcc0Kc7u8WlhZHHbn6HD45WAPFC1qO0pLZWbpONfy2:nqPcDpHcS6tWlbnb68tAGpLbNP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4108	4332	AcroRd32.exe	88
PID 4332 wrote to memory of 4108	4332	AcroRd32.exe	88
PID 4332 wrote to memory of 4108	4332	AcroRd32.exe	88
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 2936	4108	RdrCEF.exe	89
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90
PID 4108 wrote to memory of 3996	4108	RdrCEF.exe	90

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\8e68783f8f3fd4e7c2835f0b7a66b8f5.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:4332
- 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:4108
- - 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=E366A28432BEE597FCFA297B3C61D4B0 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2936
- - 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=D1EB555C5642B53EB481C7C896ABCDD6 --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=D1EB555C5642B53EB481C7C896ABCDD6 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3996
- - 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=D015AD0D2C52BD200259CC792CB10AE5 --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=D015AD0D2C52BD200259CC792CB10AE5 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1640
- - 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=9DA25D2502098FF72C95FCF1237B23C6 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=1273CBA35C9D691BD896D976CB9CF60E --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=21F4F2B817F782E6B02679536625C1A9 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3712

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
ac55a6c1fd7cd4bce64ad3232656135a

SHA1
c252d9314fae9c911e2e5191374bc7e0aefc9e54

SHA256
c437e383fe47daf93e1a1665b96a5297d58db65d2ce347ace51561672594001a

SHA512
c939c5c54900a1208c674658a9731850961320a0d192a48c590898eceee5b93bc2a447681eb919030157a233052906eb8fd7de461be96b14609f121809456dfe

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/4332-28-0x000000000C1B0000-0x000000000C1D1000-memory.dmp

Filesize
132KB

Download