72c7ded7d5a632cda61175d4b38729b162b3b5d0b6a2a89b5265bf54428dbb1c

Analysis

max time kernel
160s
max time network
172s
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, 11:45

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General

Target

176fd030b6746f9bae1bdcc70a445a2e.pdf
Size

34KB
MD5

176fd030b6746f9bae1bdcc70a445a2e
SHA1

a1b6416ea2d68a3625821e83b3d93960a93c3686
SHA256

72c7ded7d5a632cda61175d4b38729b162b3b5d0b6a2a89b5265bf54428dbb1c
SHA512

113d249bb9d8d10614ffd035bd21d88ea3ce4d295a46c361040756b8e10bb4f8eb4225d414cbc39f07bb3a078b707aa3419d2ca25c88c45e18ccf9b50c72723e
SSDEEP

768:ykyMbv5r5TAfvtBoQ+2B1FZ9hUHsrHQ6Rk1puULkZZhzOZUraueE4JPYE7baiWbX:ykyMbvZ5TAfvtBT+u1FZ9hUyR8psrd42

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 1420	852	AcroRd32.exe	92
PID 852 wrote to memory of 1420	852	AcroRd32.exe	92
PID 852 wrote to memory of 1420	852	AcroRd32.exe	92
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 3708	1420	RdrCEF.exe	93
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94
PID 1420 wrote to memory of 4724	1420	RdrCEF.exe	94

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\176fd030b6746f9bae1bdcc70a445a2e.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:852
- 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:1420
- - 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=30BF884806C5B44EF7EAAE80DB78F910 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708
- - 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=1954149D1292C75B06E1AE2185C7EF9C --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=1954149D1292C75B06E1AE2185C7EF9C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4724
- - 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=A5646CA986A7E8E51D40654EF534EC86 --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=A5646CA986A7E8E51D40654EF534EC86 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2448
- - 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=8B618B325165A8ECC19728AD7C646252 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=B58BC59C46D46E7DB54A10774C1B1E62 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3532
- - 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=4DE98AA7ED5D674245A06D293355AB3F --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868

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

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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