b43406d8b2ea39bd639739112589c16db9d8c3c5d05bfe63f20ca931850f21d8

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, 18:20

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General

Target

NEAS.4fdfc9b308a92974cd3cc212ad358af0.pdf
Size

47KB
MD5

4fdfc9b308a92974cd3cc212ad358af0
SHA1

f94006336bf9d491c0b43f40bf1681ed2af61334
SHA256

b43406d8b2ea39bd639739112589c16db9d8c3c5d05bfe63f20ca931850f21d8
SHA512

a18b8e4123f0a9f43fbeb6ce55cc45bb88b9b4a7d10361d7c12e718616d1c5e0bb4fcc55c4fbe8e75caa275a07cecb1b3fe2136ea36832449e7e8f0f97071a1e
SSDEEP

768:a5As/p/sIQJUb6raDH8NjrroCva8gxDjvm8wVEyN7LZYrRi+unvUYGRyCjw35p6M:a5QJUGOY+Wr35pCH2gzYpfpcRPSQ7Ae8

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-1-5-21-2890696111-2332180956-3312704074-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1360	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe
1360	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 3260	1360	AcroRd32.exe	87
PID 1360 wrote to memory of 3260	1360	AcroRd32.exe	87
PID 1360 wrote to memory of 3260	1360	AcroRd32.exe	87
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 3380	3260	RdrCEF.exe	88
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89
PID 3260 wrote to memory of 2920	3260	RdrCEF.exe	89

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.4fdfc9b308a92974cd3cc212ad358af0.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:1360
- 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:3260
- - 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=F2848591236F7E3A81BEDE405B427C33 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=E8AB4DA23D71389AE2B9EEFA77DA19CE --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=E8AB4DA23D71389AE2B9EEFA77DA19CE --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2920
- - 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=B06F2FA6C65F010F3F9A85CC72B9A469 --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=B06F2FA6C65F010F3F9A85CC72B9A469 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4808
- - 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=9122A1144E8A7865EFA7D1B6E5C6EFC0 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1764
- - 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=87B464F5D98BF211041450F9A206CF36 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2148
- - 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=E1593D84C87D9AAAD7BE09446742AB75 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4988

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
17486f7d25042bc7054a83d1e1bd290f

SHA1
d565ab5a1c379183b746577c13b440a4f2b0c234

SHA256
7f2f23062f4875d51caa6cc7d7a0845b2b70c32fa305dfaf635854ceed633ef0

SHA512
cdb6065415f364ee2ca85eff5322edefe0e8e82035f569af842d56640bec572347bc149f1b78e52bf548cef2c362405ab00262580ce6802a33aa2d7cc3883fd2

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