2f476020cc7cdf40734510bb950574078e8620d4248c8eb5d86ecc193cbef557

Analysis

max time kernel
434s
max time network
1168s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
08/06/2024, 18:54

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General

Target

ClubPenguin/Club Penguin Classic closure cheat sheet of info!.pdf
Size

182KB
MD5

1e37e0dda412ee2c4691e9428a0e348a
SHA1

2ccda2b886ac3155f0839c0a051ba7992c8ec985
SHA256

d177b3fa18e9d3e91c75880575e27d4ca82682e13da087deee9c0fb8745c39d2
SHA512

445c3326cb2f93129b165d48e27ea4bafdadd8b28b3512f246d37b941ebf69eded1dee110d72a5454423344e3475b76aa387cb6f8eab7f5fc8fcff366bdb0428
SSDEEP

3072:akxOsHVN6R06f/8d+td+Fzd8yiTRM4HHmAqZ5OPR6n5oUJVoPUSYtOJRzHohz9e7:a5fR0BU6zxiTlmAiOQnuGVoPUSYkRzHr

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-1-5-21-2457560273-69882387-977367775-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 4800	1160	AcroRd32.exe	76
PID 1160 wrote to memory of 4800	1160	AcroRd32.exe	76
PID 1160 wrote to memory of 4800	1160	AcroRd32.exe	76
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4708	4800	RdrCEF.exe	77
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78
PID 4800 wrote to memory of 4856	4800	RdrCEF.exe	78

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\ClubPenguin\Club Penguin Classic closure cheat sheet of info!.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:1160
- 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:4800
- - 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=B7992176C85D4A49680F15C78D4D3217 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4708
- - 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=C7FC0B99D8F48A32623FFF89AB6A8623 --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=C7FC0B99D8F48A32623FFF89AB6A8623 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4856
- - 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=684670AFC3F796F1CE11156D2AD59656 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:864
- - 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=27F8396DB381DC786A93C98F5FAD23B1 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584
- - 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=BCA5FAACE540AD70C328C79F4390C220 --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=BCA5FAACE540AD70C328C79F4390C220 --renderer-client-id=6 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2520
- - 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=597637334E609582115F8B54A406B977 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3128

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
aab206118d340e34370f1a3f9fc181b6

SHA1
b79ccf828853cf6dd5d6584ea6bcc26aacd8e390

SHA256
d7e52dfc58b81b965985f167d9c2d8e89c1e46aed909e6d072d0955419c120f6

SHA512
d4c213093340e54cf237c0b238424257fe2c908a8cafe4e89b4ff9a001babb0c84067629ba6baf81ad187d3b5d214e9cbf48e41dc68afee789e572505bb18495

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