2f476020cc7cdf40734510bb950574078e8620d4248c8eb5d86ecc193cbef557

Analysis

max time kernel
433s
max time network
1171s
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

Sharing

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General

Target

ClubPenguin/Club Penguin Closure Details.pdf
Size

210KB
MD5

dc443172656e08ee89bf5492e7835023
SHA1

3b60b57148cb662bab0b9afca1327cfc5b1dfaf8
SHA256

675aaa1686000b64d863cf9c7111cabb946d7d4ad8f84c6ffdadb4258c1f51f9
SHA512

626aed753ded8e51528e8329d4b6015ff4630f886f68185e0c03a7456e4bcbee0790a98a8d01482128ba3a43016930d2dd7a2c3e42f1fa15c485316ed1b5199f
SSDEEP

6144:PlDqcbjEKVIGHZzh4hej3P1aRvdOuOncvTa:P1rEKGWMra

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-1-5-21-3433428765-2473475212-4279855560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1440	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe
1440	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 3840	1440	AcroRd32.exe	76
PID 1440 wrote to memory of 3840	1440	AcroRd32.exe	76
PID 1440 wrote to memory of 3840	1440	AcroRd32.exe	76
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4896	3840	RdrCEF.exe	77
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	RdrCEF.exe	78
PID 3840 wrote to memory of 4428	3840	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 Closure Details.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:1440
- 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:3840
- - 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=1A284FB1E07C482FD0186EEA9E59BF11 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- - 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=9CEDC5D41AAC87178CD36C8ED4890707 --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=9CEDC5D41AAC87178CD36C8ED4890707 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4428
- - 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=7C90F7E56BE43C60AB672F4629708039 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1936
- - 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=EE20087FF3FA12D32BC563F600F2AB76 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1676
- - 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=DC36D65159DBAC86541ADE8B3B799D0C --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=8318590CC3A346F8C5CDFF5AD9203EDB --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=8318590CC3A346F8C5CDFF5AD9203EDB --renderer-client-id=7 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1904

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
c307fede2b738c3dc1c917b8d5d9cd02

SHA1
69f46d1637b1090dacf7c7fb4171a912e1fba2cf

SHA256
35e7e0d8397282514c3d97a1a6b9389f15e4ecb8f3843e65f368e0e7b498a235

SHA512
c3685eac515d0e0fec126a213bcb1acb749a141d91390b63b00a319c69e5820068895dc1c7055ad61328eb7c7ae31fd2b35b7bf4cc5db1dea228773c691843e9

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