ee507ed56b8fb73aecc4b2b5a2962d08bee60da5af430d832c10c82d9a03856f

Analysis

max time kernel
185s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2023 19:49

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General

Target

NEAS.c2a86a63424171331896f0c4d4b559c0.pdf
Size

48KB
MD5

c2a86a63424171331896f0c4d4b559c0
SHA1

bc81160e39c6ed6bcda706853d10dcf2aa7bba85
SHA256

ee507ed56b8fb73aecc4b2b5a2962d08bee60da5af430d832c10c82d9a03856f
SHA512

a674251e8b093198cb67ac12d640206090246c88582265bdb8df9177052b45e99fb03921c784b73f3532ee631b43e17e9fb89ad26ab461680366b07dd95fde18
SSDEEP

768:yAs/J3Zy4D8LwtdZ5As2Ud8herCa3gJDcvL8gVDyj7CYXRV+In6UYGoZXAKj4Ykz:uknwrL1dKJ5Lar2FdwYFuoO9QiwacH

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2212	2596	AcroRd32.exe	95
PID 2596 wrote to memory of 2212	2596	AcroRd32.exe	95
PID 2596 wrote to memory of 2212	2596	AcroRd32.exe	95
PID 2596 wrote to memory of 3748	2596	AcroRd32.exe	98
PID 2596 wrote to memory of 3748	2596	AcroRd32.exe	98
PID 2596 wrote to memory of 3748	2596	AcroRd32.exe	98
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 5084	2212	RdrCEF.exe	99
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	100

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\NEAS.c2a86a63424171331896f0c4d4b559c0.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:2596
- 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:2212
- - 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=C92FC5A0DA70107499CA1E387DE12F49 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=CE6D7321C2682809EE990944B4ABFD61 --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=CE6D7321C2682809EE990944B4ABFD61 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2504
- - 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=C7A993FF1ACCDDA141CB8C1DAA1D2AA4 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=F0EC9EA6DD6A4C358C3B2AF3EBD046DE --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3804
- - 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=8330BB3369F6808BC8278B90A359104C --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=684EE71F6614B6E24D5824F3F22E73C9 --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=684EE71F6614B6E24D5824F3F22E73C9 --renderer-client-id=8 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1412
- 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:3748

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
512610ae255672b2c4b38686abe34b9b

SHA1
132f1ee4d26227345f9e533e926a5b1f911fe2df

SHA256
671d453ce8a7ce91d990bc7717743f08155057ce0cd1da80e37ae21fbbe2ee57

SHA512
208595747d68f2b68dff79341d140f83f0cdc7d8b75738857c9e96d5cdf3aa91ae9829853ed11d757a68e2a316a77bbf71a7a74f8fa39236234186e6ecb7beba

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit