782a898834e418fb57a02f50754597a981f9ae4a3eb871603c48b189fc6ca5b1

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2023 20:48

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General

Target

NEAS.a7c66e6bbef27dfb9952a0e72d816510_JC.pdf
Size

53KB
MD5

a7c66e6bbef27dfb9952a0e72d816510
SHA1

84347e5932ab067fcf9dfa3635d206a74d0cb029
SHA256

782a898834e418fb57a02f50754597a981f9ae4a3eb871603c48b189fc6ca5b1
SHA512

d5d1d1318917d21153c35baf20768e5b24e37820677a5a7ddf77ef9cc13f533d0b53ba6e0e9dedb6d8c473b32f82e9ec22632a733d54c846d9e3379ca2e5be2f
SSDEEP

768:VzuNiz1FVTVzj+OsvzjEiqzg9Bz7AY3fdE+0uft9y6rl3wJBXQaWO4XSjjFYLpRv:SOsfF9YLuFaJN92SFYLpgs4zOo93q

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-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3128	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe
3128	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 3336	3128	AcroRd32.exe	96
PID 3128 wrote to memory of 3336	3128	AcroRd32.exe	96
PID 3128 wrote to memory of 3336	3128	AcroRd32.exe	96
PID 3128 wrote to memory of 3472	3128	AcroRd32.exe	100
PID 3128 wrote to memory of 3472	3128	AcroRd32.exe	100
PID 3128 wrote to memory of 3472	3128	AcroRd32.exe	100
PID 3128 wrote to memory of 4136	3128	AcroRd32.exe	101
PID 3128 wrote to memory of 4136	3128	AcroRd32.exe	101
PID 3128 wrote to memory of 4136	3128	AcroRd32.exe	101
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 560	4136	RdrCEF.exe	103
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104
PID 4136 wrote to memory of 4880	4136	RdrCEF.exe	104

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.a7c66e6bbef27dfb9952a0e72d816510_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:3128
- 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:3336
- 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:3472
- 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:4136
- - 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=7033C02161BEBF17872A30771C707741 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:560
- - 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=001753400C27D2D598F4555F71AD3299 --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=001753400C27D2D598F4555F71AD3299 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4880
- - 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=CF0F163FF4EF930FC1ED16F038404B07 --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=CF0F163FF4EF930FC1ED16F038404B07 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3604
- - 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=D0386E490E9D68E49C4EE14FA9C6C638 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=104937BBF6EFA91C7658A6E37FB72D48 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=D3C307D0267EFF3A322F83D65B0B98EE --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4364

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4732

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
b6fe5828a7e4af38ed7712dce861a081

SHA1
07eaf37c51be99e655513bb459fa6053d2d8152c

SHA256
57095fe597a9e986df1ab6c6f9de3284fb9bd5683fd08fb178a197f3a577ac41

SHA512
b1454aef648b63d1eb0b3f29c0ab54c82efe2a2d23bc15b2668cbfd09ccdd45fd2e12911c10fe2fe3f5615d572f9ee1b4c5d348669da5180c5d0fd46f5b19741

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