d53ea35e38bb6496cbe6023cdaa6980b37d90e1e7fc35a57e0c8ac2172c15673

Analysis

max time kernel
145s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 08:53

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General

Target

NEAS.41b695c4be66e23fd3f647d74efc2220.pdf
Size

54KB
MD5

41b695c4be66e23fd3f647d74efc2220
SHA1

e9bf6a5b07199d64efaa98949cf7d29741591c09
SHA256

d53ea35e38bb6496cbe6023cdaa6980b37d90e1e7fc35a57e0c8ac2172c15673
SHA512

993a38d163ddd6daf4aeaf38b97d15b3530f758c769226c3f0d5340a244cdf0b6e380ece240b2b3b288d4e25f54fea22b5f3c42cc445d3dbb95478e2f2df3f93
SSDEEP

1536:N/MCVrDLPQS6M2hsHT9PWxHSmKA3pEt75IPWIB5G:aY7Z2hszQmCEt7i7m

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-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe
3572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 4672	3572	AcroRd32.exe	95
PID 3572 wrote to memory of 4672	3572	AcroRd32.exe	95
PID 3572 wrote to memory of 4672	3572	AcroRd32.exe	95
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 2544	4672	RdrCEF.exe	96
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97
PID 4672 wrote to memory of 1344	4672	RdrCEF.exe	97

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.41b695c4be66e23fd3f647d74efc2220.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:3572
- 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:4672
- - 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=714A54470CBD8956D1CD54676EEFD303 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2544
- - 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=B739514B193706E5A11FD977059697D7 --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=B739514B193706E5A11FD977059697D7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1344
- - 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=8D72152990CFDABC8F31E1CEC94247B9 --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=8D72152990CFDABC8F31E1CEC94247B9 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3208
- - 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=CFE5B41D956B878C5E8C0596E6A35048 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=E621881B711B4749841E91CA744D5C07 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4716
- - 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=C639838C9033336465F2906BD7B1B4FA --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4964

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
744e7b875934a5648ea96ce871686bdc

SHA1
6643d5fad5e67229e40190b341ff8d5a0e0f8d29

SHA256
3903f12e7f15b1faf0365790905fee5ae2867fda8e3595b95662b1a9ac4200be

SHA512
0c1c85ec2a6a2cba38368be60e2cd5a0f27937f77975139a3e92bb7b7723202e869b0510d63aee88d746db5e273ce125b394b601a116f26bd4a15d5cfc893581

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