a6daa8d85874d2a9ac3932a244b3abf9afdbcf41208297b0189e518a30a5f829

Analysis

max time kernel
176s
max time network
199s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2023, 10:58

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General

Target

NEAS.cdf6cf8ca027d8280532a22d86d34c50.pdf
Size

53KB
MD5

cdf6cf8ca027d8280532a22d86d34c50
SHA1

63ce1743390281614a112706ad2a092e82fbf647
SHA256

a6daa8d85874d2a9ac3932a244b3abf9afdbcf41208297b0189e518a30a5f829
SHA512

87767b61ea44c01fedd5e88274fd1330ad4362e86e038eee8348933d3825ad5443aec8036ae73d5bd2bfd0e3d1d1a82d43b41400a2fd09cde930254b88e7f185
SSDEEP

1536:gvLMsemmcXjrnGLuFaJN92SFYLpgs4zOo93q:wT8Y6nv92SFYLpP4Rq

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-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3036	548	AcroRd32.exe	90
PID 548 wrote to memory of 3036	548	AcroRd32.exe	90
PID 548 wrote to memory of 3036	548	AcroRd32.exe	90
PID 548 wrote to memory of 1984	548	AcroRd32.exe	92
PID 548 wrote to memory of 1984	548	AcroRd32.exe	92
PID 548 wrote to memory of 1984	548	AcroRd32.exe	92
PID 548 wrote to memory of 1924	548	AcroRd32.exe	94
PID 548 wrote to memory of 1924	548	AcroRd32.exe	94
PID 548 wrote to memory of 1924	548	AcroRd32.exe	94
PID 548 wrote to memory of 1716	548	AcroRd32.exe	95
PID 548 wrote to memory of 1716	548	AcroRd32.exe	95
PID 548 wrote to memory of 1716	548	AcroRd32.exe	95
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 2108	1716	RdrCEF.exe	97
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98
PID 1716 wrote to memory of 3296	1716	RdrCEF.exe	98

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.cdf6cf8ca027d8280532a22d86d34c50.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:548
- 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:3036
- 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:1984
- 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:1924
- 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:1716
- - 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=4CA7F3524A342CD8B7A2741EC334CCD1 --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=4CA7F3524A342CD8B7A2741EC334CCD1 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2108
- - 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=960BBB2A0F50744DC4E0A45E2ACB44EE --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3296

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
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