3bc4a89209d2641acdbccc91deea9f9bb3a5cd7cdd4118038d8e177d2b25e1d9

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2023, 06:47

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General

Target

ADT-Book-2023_bd.pdf
Size

10.6MB
MD5

11d57ad7d1152b119070be3e94c1b174
SHA1

868a93b511ce0459dff128ab79e1f41231ca42de
SHA256

3bc4a89209d2641acdbccc91deea9f9bb3a5cd7cdd4118038d8e177d2b25e1d9
SHA512

34685cf2cb7cfba01fd4ae3bba7d676a680fd098e75d9043b59de1cd2bede29c2570332bd140bc8b417709453bd952a144af9a539cabb09cff45cfa6588f3459
SSDEEP

196608:Qh6IXxrxqimHE9cNZiJom1Ew9IxSGn5fVoUEmhvhaLP:QfxrAlucLm1EwM5fVoihvkD

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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe
3216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 3308	3216	AcroRd32.exe	85
PID 3216 wrote to memory of 3308	3216	AcroRd32.exe	85
PID 3216 wrote to memory of 3308	3216	AcroRd32.exe	85
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 4240	3308	RdrCEF.exe	87
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88
PID 3308 wrote to memory of 428	3308	RdrCEF.exe	88

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\ADT-Book-2023_bd.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3308
- - 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=012736C1DCD2FD03B39B19E2A851DA5E --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4240
- - 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=143F6326CAB393B95C78BED275512CEC --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=2 --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=143F6326CAB393B95C78BED275512CEC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:428
- - 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=5511FF6C64A777D015D8CE8E85AC7A1D --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=2 --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=5511FF6C64A777D015D8CE8E85AC7A1D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1840
- - 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=C4430D9F85FEB0658A7DE49AD18C8787 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816
- - 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=2DD67508A8D4E75074FA87021602B26B --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3880
- - 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=3789272061BEC2460A78F55D9268C488 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2516

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
37a30d0f705a8edabebcad1192df30d1

SHA1
dedbabe22ed1be30f0c55ea7aaf23876a96309b2

SHA256
499699bd64d44eda8b4c923c28c3a54d179eb3d118d1a2d2bdfc27e409c6b690

SHA512
2dd07d132c2282ba215c20798f723205ae023013e2a46c25c8dc810b0f87b2143a07e514b26d4ac10ddfc4743a074a4cb2be380b1d1a8184b3c40ad8c744a9ce

Download Submit