3d37a13331dcb39ad687f04a1370c1bc7172e83f00ccd426c52cfc6ed3cc6f18

Analysis

max time kernel
149s
max time network
161s
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, 17:18

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General

Target

304710f02a39362f47a7e4f26210c054.pdf
Size

69KB
MD5

304710f02a39362f47a7e4f26210c054
SHA1

7b92101f1fe6722b77f7e9870f020e0bd3df5320
SHA256

3d37a13331dcb39ad687f04a1370c1bc7172e83f00ccd426c52cfc6ed3cc6f18
SHA512

ecfaf1ed8241901de049275d32a9b22c9aabcc296f4d8e6eafbd96a4cbaed9a48b8b4285511a9da92352c4ee04acb2e3d3c7224e3ff217f0aff7d03844b2f9a2
SSDEEP

1536:imYORDoPkk3WZl5E6G1qrCfGtPSRMQskqtOMBRT+g6t:Z/8PkkGKYCfGtPSHstOMBRT+7

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
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1600	4528	AcroRd32.exe	96
PID 4528 wrote to memory of 1600	4528	AcroRd32.exe	96
PID 4528 wrote to memory of 1600	4528	AcroRd32.exe	96
PID 4528 wrote to memory of 2172	4528	AcroRd32.exe	98
PID 4528 wrote to memory of 2172	4528	AcroRd32.exe	98
PID 4528 wrote to memory of 2172	4528	AcroRd32.exe	98
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 3700	1600	RdrCEF.exe	100
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101
PID 1600 wrote to memory of 4400	1600	RdrCEF.exe	101

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\304710f02a39362f47a7e4f26210c054.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:4528
- 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:1600
- - 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=66C0C33FA947E518E14C6CBEB44F64E0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=A2018BAA391E87F650918E5513B8C94F --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=A2018BAA391E87F650918E5513B8C94F --renderer-client-id=2 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4400
- - 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=60505A7BEC944684FB06BF015C253D4F --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=60505A7BEC944684FB06BF015C253D4F --renderer-client-id=4 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4604
- - 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=5B218F83D69596BEA698BC99E7EA377B --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=35AA4B3166702105071EE44AE8AA8780 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=214673FBA76A75BD049E2AA7AB15394F --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- 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⤵
  PID:2172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3604

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
df9a28a971185b2861e9f982b2e6c8f9

SHA1
ef3958038248339b092c1bb59a8d2222658a5200

SHA256
13a3cca9a3df946fee8dae3f0bf071b6ac775b0760e2b248ee0c74c6411b2735

SHA512
fba588e98c0482ab38f82f4d623b527799befe3352b0bf49c3b5175992c0a8e015620d7a0d2cba4eb89e3015c2fcfb80d6616228250379a7080d3191fa565980

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