f619d864c8d7489a1de4a0743a05c7957a46f2660171aa9957d8a4831229e4a5

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 06:33

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General

Target

0be7c6fcb9248ae970e3a337d76b46b1.pdf
Size

83KB
MD5

0be7c6fcb9248ae970e3a337d76b46b1
SHA1

c35d8f80cd764ca2d4c65ee5e81dda73fa9d01f6
SHA256

f619d864c8d7489a1de4a0743a05c7957a46f2660171aa9957d8a4831229e4a5
SHA512

b1f58ad1ee790dd24992f8568893199f5f35ebf7cc7217ca6b33485300ed91f9df7dabb63a0c9991876acb15766b78d3ea14cb4c89438e5201c02837b8bbc4ba
SSDEEP

1536:a+JaetGgDCIc3DrTbPcvwmiPNsLeuJ/OIlvqnO22ZlLyWkNpOPGMSN1fRW3H7g8z:arPnPJmilsLe+OI9qngPLXP3STfIbG8F

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe
1872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 3756	1872	AcroRd32.exe	93
PID 1872 wrote to memory of 3756	1872	AcroRd32.exe	93
PID 1872 wrote to memory of 3756	1872	AcroRd32.exe	93
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 3800	3756	RdrCEF.exe	96
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97
PID 3756 wrote to memory of 1760	3756	RdrCEF.exe	97

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\0be7c6fcb9248ae970e3a337d76b46b1.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:1872
- 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:3756
- - 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=C964AAB470F8B8AFEF179ABD61671462 --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=C964AAB470F8B8AFEF179ABD61671462 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3800
- - 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=DFC71AFE4339D62E01E580A2E081F0FF --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1760
- - 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=D094E32B6AA96DD4EAC313A06BF556C3 --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=D094E32B6AA96DD4EAC313A06BF556C3 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3108
- - 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=8BC40DD713E6311169A218C75F01A98C --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964
- - 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=5CDD54A105D3422AFA63CD42E51C37B1 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=C38F6992946A43B7C299060DF2DEBA9A --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2648

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
cee293efa66e94922f1557da99ba5cbc

SHA1
781a2ca1942d03ce16d8aae8898065f7b82e54bd

SHA256
4857206985d9ebcac34276ebbe68c3e838dc5ec1b8b72c23ffb9982d982aeba5

SHA512
568b7321717daf7fd120e713321a2046c062c6ce84a6caf902b6b2aea5974ba447a53fd295568ddbf9b80d4c0b2afabcd78f14ebbc3ed0ac64adc43e6e8e5f02

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