583feea06538dafdcb84c84722b337bf945259c0d1cb9d1e5773e4b81d1638f4

Analysis

max time kernel
144s
max time network
158s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
13-03-2024 05:29

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General

Target

Samples/Sample Output/Logo With Blending Small.pdf
Size

5KB
MD5

10c04273fdbbee40b2ae7838d2a74f11
SHA1

36d8874ff7e6bbc3416164747283a0ec8eec2644
SHA256

ec06b448537ec47322f8d32fa8e6680c855c48a49977930fe78589921309fbe2
SHA512

3ef939bb9df677419fcf587450ef7a191aff5bd39d9e3bd5b970b97d91e216ee979e19606a3bbbab72204d84194e94b1aaae793561a92b2deb9a64fa7dee5027
SSDEEP

96:6I1kXYpbO57IqsDwTPb8qXLD9VLOT1w0RAATZvEDWOVEUPOLTGNlsLtyUARun:6HXH9TPNbzwRDsWjUPOLTYlsLtxARun

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-1-5-21-647252928-2816094679-1307623958-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe
4020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 3216	4020	AcroRd32.exe	82
PID 4020 wrote to memory of 3216	4020	AcroRd32.exe	82
PID 4020 wrote to memory of 3216	4020	AcroRd32.exe	82
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 3436	3216	RdrCEF.exe	83
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84
PID 3216 wrote to memory of 1880	3216	RdrCEF.exe	84

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\Samples\Sample Output\Logo With Blending Small.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:4020
- 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:3216
- - 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=6FB38D19B9A30C92BEEB27E71C919903 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3436
- - 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=513B1D9296DD910ED8AB612E6E339805 --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=513B1D9296DD910ED8AB612E6E339805 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1880
- - 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=A71E8AA5EEDCA43CC7E8FCB717093737 --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=A71E8AA5EEDCA43CC7E8FCB717093737 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4996
- - 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=B8383ADB6AA7A09A2B7E4EA7D70CD8E3 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=D1CEF63547489984294E8FFAA7F9FBF8 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:460
- - 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=1AC69DE153B952BE02105B18F07479D5 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3956

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
c9297631b29b3f46ccc2d91fe50e524c

SHA1
1b375f5d3c31a3503bfcfcc9749c8bd2419eb48f

SHA256
9b24ae68656c4997e4002e94be956605cb8990885b867d474d306ad5ef468337

SHA512
5e4518e76d384378ca1346a9aeec68a505524719856249b125616d9d1c04cb7144c93f5f901816db2e941c7f1a814017f918a0e52be478f5e373e530c6cda11f

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/4020-135-0x000000000A4D0000-0x000000000A77B000-memory.dmp

Filesize
2.7MB

Download