2f476020cc7cdf40734510bb950574078e8620d4248c8eb5d86ecc193cbef557

Analysis

max time kernel
439s
max time network
1179s
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/Buddy Builder.pdf
Size

69KB
MD5

22d45b0591093a467fc23b5f8bb9a71a
SHA1

66f3b9a71dc884aae59b955be930f170d105b9c5
SHA256

87505b39fefd9346c047240b9d06d065bda5ae158d9604aea0b46485f65e9f1e
SHA512

dbd068c1026ea5598a9afd12c5b368d925633236eccdd956a7edcf97502b7f83ed807d75716d60022fd199ab73268949d7a9890935495ef772282c470cf0d691
SSDEEP

1536:UPgAPBsbIun1DfgWKkEb+t+HFsGNPugyQT/pe2LxYSJX149CnwIou:6go4n10ryt+Ht5uqeZg1wCFou

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-1-5-21-1672260578-815027929-964132517-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe
3116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 1340	3116	AcroRd32.exe	77
PID 3116 wrote to memory of 1340	3116	AcroRd32.exe	77
PID 3116 wrote to memory of 1340	3116	AcroRd32.exe	77
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 2876	1340	RdrCEF.exe	78
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79
PID 1340 wrote to memory of 928	1340	RdrCEF.exe	79

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\Buddy Builder.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:3116
- 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:1340
- - 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=8476F68B0B4C10B9CF13D47E2B206A54 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2876
- - 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=CCCC8700FD9825A72EF056DBA614D6BD --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=CCCC8700FD9825A72EF056DBA614D6BD --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:928
- - 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=B0EF9BE77AE7ACF3B64AACE5B4AB8A47 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:848
- - 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=8F9E5110A085F5B92E1C33095E20B6AC --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4648
- - 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=E60624DAEDBB85F459B1076996AAB643 --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=E60624DAEDBB85F459B1076996AAB643 --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - 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=92EB8184B5F3D317CAC495623CE5ADB7 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012

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
483a7cefc1a4c00e3d03332dab31dfa5

SHA1
9bbacd172a7414a32b6e81a8c120fd22cbbb61ed

SHA256
fb58d0bddbf63b6b3e71d4c6a2cd9df94da12f1628b1cbbe4f586fd4bae4fb75

SHA512
2b26220c6eb4ffe2d515d5d1cbe0565851689198f98b053718c0b8143fe88c31a0a059d419891d94a6438f66d46ed1428ac161345d454104e5697e12cc0c9762

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