2f476020cc7cdf40734510bb950574078e8620d4248c8eb5d86ecc193cbef557

Analysis

max time kernel
443s
max time network
1178s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
08/06/2024, 18:54

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General

Target

ClubPenguin/CitizenKid_Moderation_Overview050514_KN09.pdf
Size

533KB
MD5

64bc38fe1cd2972a0478b4bb142a5542
SHA1

4b240f474862b356cf24f3c6b9fdc97cbfd33497
SHA256

a27bc294b943399087133a08d6093784020fe0d80081fafbc3f621f4bab65f97
SHA512

56201a4895439cb4805c08ef919219b84e2e0f075a63cf30c6d6056c1b7f24f4f77d4ba41253e00f1162d4a4a62ca97ee55fd59e60aff8aa1e99efa662ee7023
SSDEEP

12288:6md97VGTL/smME4NlGYD+X35P6mIjGZECmjp6K2qDJ1yVvSLHCG1xM:6md9ZGTL//4ND+X35CU3Ap6WJQVvUHCf

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-1-5-21-3062789476-783164490-2318012559-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe
3728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 3240	3728	AcroRd32.exe	75
PID 3728 wrote to memory of 3240	3728	AcroRd32.exe	75
PID 3728 wrote to memory of 3240	3728	AcroRd32.exe	75
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4592	3240	RdrCEF.exe	76
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77
PID 3240 wrote to memory of 4564	3240	RdrCEF.exe	77

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\CitizenKid_Moderation_Overview050514_KN09.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:3728
- 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:3240
- - 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=85157FA3DD958A6B0B7ECA0BF04D8A8D --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=7747D9990F7F54EB5C3A86BC8192E89B --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=7747D9990F7F54EB5C3A86BC8192E89B --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4564
- - 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=E7D5ED7EC808E4EE1BE34B743E82ED9D --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=AC705745FA3C5595E0CDF1350809692E --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3348
- - 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=BB0A8F6FE11A2675FC9F5FBA137CBAB1 --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=BB0A8F6FE11A2675FC9F5FBA137CBAB1 --renderer-client-id=6 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2492
- - 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=F625F0B5BBA63A4C1D1F31A896B55B1C --mojo-platform-channel-handle=2816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1036

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
2d19d41ce8144b3fc68037d9739ca8b9

SHA1
593e37255a5776dff400ec662c1fa5bd73be29ab

SHA256
f8b55f77f38b143b7604dea10d9577c13d9baeb62fdd15fab022a14a247080e9

SHA512
efa07442527a8b6d068d41bf4588c8d1c98451e17b18794d1793538fa639ef84fe02125474a845d52f43d28790505fc4e6e70199ecaf0fee4e4194e16fb614ea

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