24aed5936b71115959bc6d7cfddd671a6d77b4a72d2b5238bc7a3d15a7343333

Analysis

max time kernel
145s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2023, 20:34

Sharing

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General

Target

NEAS.a7431d5f6fd58f2a677138958a0b8940.pdf
Size

35KB
MD5

a7431d5f6fd58f2a677138958a0b8940
SHA1

df3413bbd30ccb616bf2668c6a8d3908a1e7418f
SHA256

24aed5936b71115959bc6d7cfddd671a6d77b4a72d2b5238bc7a3d15a7343333
SHA512

46b61f42fa68ec9eb6114ab2f665bde21735a9f896df4c4f9ea461c68c6fc218cb94ad842ae75d50fd44917f58bc77b6068280b044c5ca4ccfb4709b77fe1742
SSDEEP

768:VzvG7ez1uAywzh3dMyFEioWLp3dS2jdtcsTO/HMNvdZZjU0mhkv6OlSA+A+skD4C:BVyspOOPXNvdZVUk6CO2SFYLpgD

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
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1660	4828	AcroRd32.exe	92
PID 4828 wrote to memory of 1660	4828	AcroRd32.exe	92
PID 4828 wrote to memory of 1660	4828	AcroRd32.exe	92
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 3748	1660	RdrCEF.exe	93
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94
PID 1660 wrote to memory of 4012	1660	RdrCEF.exe	94

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.a7431d5f6fd58f2a677138958a0b8940.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:4828
- 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:1660
- - 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=2597D7AB90A64B5684F4A392466F13F6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3748
- - 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=3AE54D9E378B4CA7B6BDF35570144A41 --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=3AE54D9E378B4CA7B6BDF35570144A41 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4012
- - 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=8C85D7B006564B295E84B98A6D7DE09F --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=8C85D7B006564B295E84B98A6D7DE09F --renderer-client-id=4 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928
- - 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=277C643F52B22E83ECD139CF073F7422 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=F2C27140B4522867B6CE4A5AB140CAF0 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3944
- - 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=742FF3013BDEDDF1DABA903A96F0E0BA --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3784

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
fd604f05d2b3cc62383c95455d6aa21e

SHA1
6ceb3ac41a9f49e5d818b42fe1ff96a6a89dbd83

SHA256
7a40d8258331155430b403d0a652e5ffa37accdd134f18afab82da9c848c3de2

SHA512
be79bf00e4c5da39faeb1e40cd6f19251a8e5b10fe68c88aba25a7147e754f144f48dead1da81337b143295212943ba43e3cff9060e798d306fe90e8d7a66e77

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