ebc7bd7616800ad100897e9aecb71297287f37e65e16c63f62afee2d3f1ab76f

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 20:44

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General

Target

NEAS.1fc7aaf77fcfd6fc41cc69d5cdef73b0_JC.pdf
Size

100KB
MD5

1fc7aaf77fcfd6fc41cc69d5cdef73b0
SHA1

309a35896075aecc683a8ffd2e8c34b8eb105f37
SHA256

ebc7bd7616800ad100897e9aecb71297287f37e65e16c63f62afee2d3f1ab76f
SHA512

8bcac7fc37cbd81eb4850628b3a89b9dcb849dd37cf7790cfea1276547716f151d4944694550b5c001fe20d8aae19986526298c8cd13502a70f228e792c7cccf
SSDEEP

3072:dL19WxvrVGm0PP1VA9999999990huVzc1k30kQe+3ihCcVnlbnYCx:W5zWP1q9999999990huVzcegeT3bnvx

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 8	4912	AcroRd32.exe	93
PID 4912 wrote to memory of 8	4912	AcroRd32.exe	93
PID 4912 wrote to memory of 8	4912	AcroRd32.exe	93
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 4072	8	RdrCEF.exe	94
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95
PID 8 wrote to memory of 320	8	RdrCEF.exe	95

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.1fc7aaf77fcfd6fc41cc69d5cdef73b0_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:4912
- 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:8
- - 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=BE017ADB2DCA7F5E03C79C541792DB10 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4072
- - 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=6E08253C8E41437E75B3D02171FC4645 --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=6E08253C8E41437E75B3D02171FC4645 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:320
- - 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=D078DDCA2E6D03171A0383C564347695 --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=D078DDCA2E6D03171A0383C564347695 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1256
- - 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=B0A1DF50048D0AFEAED23FF78A0B9526 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1132
- - 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=6EADF2F7F1A3017ED48A36A06F9507C1 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4732
- - 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=9871C691EF31B13A0B8CFE902DD056BB --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2560

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
4ca523029dae1c5c56db707fc581c690

SHA1
04d4ad27039243823a62a70da5d81374538783ed

SHA256
910e5ffdde4c8be12fc69fe221a193707781f9e0dc3576a6fe8a1205c8e41675

SHA512
1d6b6c737a83b8b60355d7d52c3ad42e98003f31009e11f4c1d214a7f425aa16d59fe22ebd313a67c4d48463f7c3d6c85b2f9290c8c083276996c67aec5ebcac

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