0850b33a4bc4dd745c340f03ab9160c50a514ba68a405755f0bc8a62b94287ae

Analysis

max time kernel
145s
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 22:27

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General

Target

4014d381ed72a3f0f9f5b5d79e89bf3e.pdf
Size

78KB
MD5

4014d381ed72a3f0f9f5b5d79e89bf3e
SHA1

4a26b03fbb01a96075d77313252457ff9f12db33
SHA256

0850b33a4bc4dd745c340f03ab9160c50a514ba68a405755f0bc8a62b94287ae
SHA512

b3a966b386733d42ffc60578074fa93e7e5a3d8344244c571374b3a2e72c0c88bf486499832806281cc07d82fb230866b99eac54ac4d969358ff6ac53db212dd
SSDEEP

1536:dUuJo96qes9KETMttbLfbwaLBcGo8d7OoKLtdAPwhn23YjvIN2NMijQO:SuG9rKlLfsaLBcGoPoKdAPwhn23kmit

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe
4240	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 1556	4240	AcroRd32.exe	101
PID 4240 wrote to memory of 1556	4240	AcroRd32.exe	101
PID 4240 wrote to memory of 1556	4240	AcroRd32.exe	101
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 5016	1556	RdrCEF.exe	102
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103
PID 1556 wrote to memory of 3760	1556	RdrCEF.exe	103

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\4014d381ed72a3f0f9f5b5d79e89bf3e.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1556
- - 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=E6E915B379859C5F2CE2E5811AA83A93 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5016
- - 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=35CDC9A74E7E4355C67977D542C04E97 --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=35CDC9A74E7E4355C67977D542C04E97 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3760
- - 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=18ADE3A87E8BEE87C107125F6046A7BC --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=18ADE3A87E8BEE87C107125F6046A7BC --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3332
- - 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=C3A3020E5C9A770E766120C44BCE3C26 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=9B618AF36FF4FD5CBCFDB2B8AF398020 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988
- - 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=729632F13E0B64775A005E130141A0D7 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2872

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
64KB

MD5
a022529fe4faa7896d7037f87dba3b06

SHA1
f3d807598bf7b56c38d8f0e6e10fb824c7deef8a

SHA256
4126b212f4a22e198716572d40afc374e8b16b86a43edaa07f948fda2d5a2438

SHA512
fd3a08cee3424e4e04dc0d8680c552b7f76f611da7a9148050cca09e42d48a6abd2bec0488c4afbf8372ef4fbbdfe9a36eee694b727125d5ad3b5793db4fe6d6

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/4240-136-0x000000000C220000-0x000000000C24A000-memory.dmp

Filesize
168KB

Download