631061819dfb89bdcc580fc778346e34e3bef9e2df9c05ee700b84515af47b95

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:44

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General

Target

2072feab6b7d19d8b175f0f82c8a44f1.pdf
Size

95KB
MD5

2072feab6b7d19d8b175f0f82c8a44f1
SHA1

631688ad54bfc1a3d67167dba887dd35ef9e8f2e
SHA256

631061819dfb89bdcc580fc778346e34e3bef9e2df9c05ee700b84515af47b95
SHA512

802f6ba12394ad5d6541d62dd0890b128bdab0f0c03139bde5c5f70a4dae1bfff755b0b0013a89a73ae8503078a3fbc50fc5e2b2a373a4be1ffc202ef92757fb
SSDEEP

1536:25a3KQPyMMTANVooV4sMAaUzbsFvQNsWcKr5kuFr/PBwkF1KWripWypOlWWxa7S4:t6QpUANOolMAaUzbs2NsWXFku1PbKcdC

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 4792	2432	AcroRd32.exe	90
PID 2432 wrote to memory of 4792	2432	AcroRd32.exe	90
PID 2432 wrote to memory of 4792	2432	AcroRd32.exe	90
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 3348	4792	RdrCEF.exe	91
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92
PID 4792 wrote to memory of 868	4792	RdrCEF.exe	92

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\2072feab6b7d19d8b175f0f82c8a44f1.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:2432
- 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:4792
- - 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=A540D0C60EBD7116B9E4CF2FC52F6D1B --mojo-platform-channel-handle=1740 --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=7015511E07A20B0706589CAE9092DFD7 --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=7015511E07A20B0706589CAE9092DFD7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:868
- - 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=7B1FAE644D21E392E90C86A1CB0A04B5 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3776
- - 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=C1C3B0C35C94DC69CBF2B1A42A69E703 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=CF4D795B048DB0D221DAC9EE9FE7698B --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3948
- - 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=B362EB3C3850DB86865D83EDB41EF64D --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=B362EB3C3850DB86865D83EDB41EF64D --renderer-client-id=7 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3976

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
a771622e73e81326dd81ed269fe02f67

SHA1
0179ecb298eed6d5971bf2d474c393463d282b1e

SHA256
5898fc181bf2ab812d099b11197707df592ad1926f1c9ca99eea5d753a27e39c

SHA512
8c72cea8e9cb0747639dedd3ad557daa4883567f60ed86ccf38564da8dd65187e467fb34eb1c3b2ce5c28c55e7cf42ccb27a793ba5be600583fa67968a7f68b6

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/2432-28-0x000000000BAB0000-0x000000000BAD1000-memory.dmp

Filesize
132KB

Download