603d412ce9c94b94460d4cbb1fe12208c2eaa3704df4c93eb9de9658ab71a8ef

Analysis

max time kernel
167s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 08:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.39dcbda8582fffc9d2e71a36589ae040.pdf
Size

67KB
MD5

39dcbda8582fffc9d2e71a36589ae040
SHA1

c8345f4d487a761e6ce1044159c5a468cd8f8ec3
SHA256

603d412ce9c94b94460d4cbb1fe12208c2eaa3704df4c93eb9de9658ab71a8ef
SHA512

25dcfb8c6fc76240b6dac6f2b13a70ae728b20b28c9e369eaf106cd942f069ae2ee313fd1174baae414dba1bb7bc7180035df2035c55c1374617241bbb405d83
SSDEEP

1536:vgK00nU7/AiBmHYpmEWohAOJjC8oXCYWxHSczxPWWYmkUsjE9P:Y6HVYpmE9pJO9CxHSSnIUW0

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 812	2244	AcroRd32.exe	106
PID 2244 wrote to memory of 812	2244	AcroRd32.exe	106
PID 2244 wrote to memory of 812	2244	AcroRd32.exe	106
PID 2244 wrote to memory of 1996	2244	AcroRd32.exe	107
PID 2244 wrote to memory of 1996	2244	AcroRd32.exe	107
PID 2244 wrote to memory of 1996	2244	AcroRd32.exe	107
PID 2244 wrote to memory of 4636	2244	AcroRd32.exe	108
PID 2244 wrote to memory of 4636	2244	AcroRd32.exe	108
PID 2244 wrote to memory of 4636	2244	AcroRd32.exe	108
PID 2244 wrote to memory of 2536	2244	AcroRd32.exe	109
PID 2244 wrote to memory of 2536	2244	AcroRd32.exe	109
PID 2244 wrote to memory of 2536	2244	AcroRd32.exe	109
PID 2244 wrote to memory of 984	2244	AcroRd32.exe	110
PID 2244 wrote to memory of 984	2244	AcroRd32.exe	110
PID 2244 wrote to memory of 984	2244	AcroRd32.exe	110
PID 2244 wrote to memory of 3088	2244	AcroRd32.exe	111
PID 2244 wrote to memory of 3088	2244	AcroRd32.exe	111
PID 2244 wrote to memory of 3088	2244	AcroRd32.exe	111
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3252	984	RdrCEF.exe	112
PID 984 wrote to memory of 3952	984	RdrCEF.exe	113
PID 984 wrote to memory of 3952	984	RdrCEF.exe	113
PID 984 wrote to memory of 3952	984	RdrCEF.exe	113
PID 984 wrote to memory of 3952	984	RdrCEF.exe	113
PID 984 wrote to memory of 3952	984	RdrCEF.exe	113

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.39dcbda8582fffc9d2e71a36589ae040.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:2244
- 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:812
- 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:1996
- 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:4636
- 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:2536
- 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:984
- - 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=864A598D1214A1B0D799541743A748C3 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252
- - 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=F67190099EF2870D3B117DFC17387955 --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=F67190099EF2870D3B117DFC17387955 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3952
- - 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=CB16604EB6A0BACBB251FCC80AC8FF44 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620
- - 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=B7889468919DE69B81BB740BA6A48B96 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:536
- - 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=203805F74FD3F52744EB52CEF3D9EBA7 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1540
- 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:3088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2904

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
363b786eedfd9a8f33effbb0b823d21e

SHA1
72053b36bca9cdaacb83b57607c12740049cb8ca

SHA256
72df280ccf3d25971b9e6754dc3727d141291ce4c57131b59c43f7f04ba2714b

SHA512
cb3e0be76b03739025284e7dd95253dfa33785e7a144031a0502643f5fd01de58541368239125f9b1513393b09a47e3df6f837f83ed03a52699ffba462e889fd

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit