b9d9b955ac689db94179a71fb13e7ad1c07d3965c7f3b7939a324c05cfb6dadc

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2023 18:02

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General

Target

NEAS.eb3f7fa3414db9c24b74789f714a1e20.pdf
Size

251KB
MD5

eb3f7fa3414db9c24b74789f714a1e20
SHA1

4bb3b51dadb4659fdd3c46184693544215561076
SHA256

b9d9b955ac689db94179a71fb13e7ad1c07d3965c7f3b7939a324c05cfb6dadc
SHA512

32eaa927cbe79456b232c38e667de1ddbd18bc16feee1ed0b4617d3b80b7b7bd25e1844aeb7b470cc40c9c536b4e657faa378e632bf57b2e525eb3b01f43fafe
SSDEEP

6144:3hXVKjnvB+mKfJnoGUz/P47CFafzfKWeVdmD8Q7nSJKU:xXV6nvBTKfpoP74+aLxeV4lhU

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-1-5-21-568313063-1441237985-1542345083-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 1992	4220	AcroRd32.exe	86
PID 4220 wrote to memory of 1992	4220	AcroRd32.exe	86
PID 4220 wrote to memory of 1992	4220	AcroRd32.exe	86
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 3528	1992	RdrCEF.exe	87
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88
PID 1992 wrote to memory of 4064	1992	RdrCEF.exe	88

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.eb3f7fa3414db9c24b74789f714a1e20.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:4220
- 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:1992
- - 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=C76BDBCE585C710B9B49B183007F2D3B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=1B7BF435BCDF7E42486998BD55AADFEC --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=1B7BF435BCDF7E42486998BD55AADFEC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4064
- - 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=5C3BC9B064FC01187B6D0C0061901CFA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=DA2B7EE496BEC481FF81DE8441A8C34C --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=DA2B7EE496BEC481FF81DE8441A8C34C --renderer-client-id=5 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3992
- - 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=DBD5C0D59A3A09201B9AAFAF391D7CAE --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1116
- - 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=6B21954800145AB70CF0FA7554FCB7BE --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:644

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
366980e2e793ece2449a162961801bf5

SHA1
820ae03e4f9577c2bb106d4a44fdcb2075276684

SHA256
ec7c91f91b6d0ac91d6372e7f5326911af6a7938101507bd182b9c69796988e3

SHA512
355f9f3ca54d5794874a95fda3887b1cdbb7e517ee84d81ff8b8c0c66117fcb8636037a2910eb64a86d16da50f32686805cefc4a4bbbeaa48be0e2241c393102

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