590e4f2e4e7bdf7e4a77e1f7497c76ce91f362b56cb7b6c33bf3b94713f97293

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 13:00

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General

Target

2b9009194e77a5af13908c6d650474be.pdf
Size

73KB
MD5

2b9009194e77a5af13908c6d650474be
SHA1

97223acd262d9261b7dab5f2d27c6f2d19fab027
SHA256

590e4f2e4e7bdf7e4a77e1f7497c76ce91f362b56cb7b6c33bf3b94713f97293
SHA512

0277423eec8d75e212cd8de65af5fc7c35d0171ff29066c6fc9493f8a0aa6ebebe7fc3f5a94c8fc7ce256aa4cd979f776008e432075bb1ca4a688619a4d76632
SSDEEP

1536:VZULxo3QB3JtalKeuWmUQ5MWkNpOPaWnlhFgSwSReU1Qa:tIZtalKPWzqBPlFgSwSReUv

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe
3456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 3720	3456	AcroRd32.exe	95
PID 3456 wrote to memory of 3720	3456	AcroRd32.exe	95
PID 3456 wrote to memory of 3720	3456	AcroRd32.exe	95
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 1444	3720	RdrCEF.exe	96
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	RdrCEF.exe	97
PID 3720 wrote to memory of 3488	3720	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\2b9009194e77a5af13908c6d650474be.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:3456
- 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:3720
- - 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=9CFDFC36E18E1B791FCEB007C6EF165C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1444
- - 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=F2FED92AB159C49B838FC1A9FF4DDCC5 --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=F2FED92AB159C49B838FC1A9FF4DDCC5 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3488
- - 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=4C96F9CA2141800C6E9E0985E70CED6B --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- - 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=4662CB419CA5C394493563C9C61E3903 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1812
- - 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=4BD64AD50CDBFD4CFF0DA3E4BC60911B --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=839B26171DC0E46EE181EFE4D9F0925A --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=839B26171DC0E46EE181EFE4D9F0925A --renderer-client-id=7 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:468

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
6c7674f922c576b3f033fe934da49f63

SHA1
7580a602687b872ba075e1c82f452960f006b6bd

SHA256
720ae246f73e017a854a2d75d878f2c05cc93b764391725b71b91406545dd2e9

SHA512
538c46b22a9afafd8ffe251b715a3f7235af9fada3500496aa055debfe90c4468589f1d96e6152e8c511d1db6c1d2406f3695f06a20d9a888bed7ccdba0009f7

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