c81d26df41c1b14a62f274ac79fd23afe86170a17e3b03ee41d5792a27fa6048

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2023, 16:14

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General

Target

NEAS.1d04caab911dcaa5c9886649c9a9f2c0_JC.pdf
Size

62KB
MD5

1d04caab911dcaa5c9886649c9a9f2c0
SHA1

d511ea06e6f541f4bbd5abf1913d9ddc79692df6
SHA256

c81d26df41c1b14a62f274ac79fd23afe86170a17e3b03ee41d5792a27fa6048
SHA512

15c33f32efd26c0201fbd014f6427dff9188a1af323ca0821ec64d25eade2ae968a05e1215cac97223b476166dbaf9698f3c312117062c0fcf8d4d6e68331b32
SSDEEP

768:Vzvz1fLMz+olzgN6HEKhSduZd3BWi8kf2smqfYsuft9y6rl3wJRTgN6T4XSjjFYk:PLqFRuFaJqg2SFYLpgMbPCr5mZopSSp

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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 3412	4600	AcroRd32.exe	88
PID 4600 wrote to memory of 3412	4600	AcroRd32.exe	88
PID 4600 wrote to memory of 3412	4600	AcroRd32.exe	88
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4400	3412	RdrCEF.exe	89
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90
PID 3412 wrote to memory of 4312	3412	RdrCEF.exe	90

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.1d04caab911dcaa5c9886649c9a9f2c0_JC.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:4600
- 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:3412
- - 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=041A4F8C464AA3D3AD9DE91798C164E5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=4678036082D4B4985E455A679393D985 --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=4678036082D4B4985E455A679393D985 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4312
- - 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=EEE2AC36A487D2813AA7323B55C5BD47 --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=EEE2AC36A487D2813AA7323B55C5BD47 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5056
- - 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=A0F2E01AF4916E266A1127B08D468D08 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=258DE9467CFB0B42211EDAE1A0C65030 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1688
- - 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=7262132E01FE812F67AA058C2A803BA4 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336

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
0bdca00effea5932a838d6ed399afc0f

SHA1
0daf4aa695d9925f680c7debc8ec44b679ecf6dc

SHA256
a1a33cebe0ca5d4c84aa12ecda872a0e76ab9bb68af91c18762b59ab1cecc67f

SHA512
cb8399686ee049c34924e846e44e4e5fbfcc7712a5115caba1edfe870a446a40083c9d8c33eac38985f0c83fefcec53648bc860aa8a7d4f6ee8dfa6e40303563

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