439d56dbc5ec5e5fd75a16dc659639ca81aca7b9c81d50bca65f3a0cceb1dbda

Analysis

max time kernel
169s
max time network
175s
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, 18:31

Sharing

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General

Target

NEAS.9f7b9c89663615135c2b3afbff6f7a40.pdf
Size

233KB
MD5

9f7b9c89663615135c2b3afbff6f7a40
SHA1

c67bdf89fc779a1925b0693cfcb164ae4a5a9180
SHA256

439d56dbc5ec5e5fd75a16dc659639ca81aca7b9c81d50bca65f3a0cceb1dbda
SHA512

d6ee4865d7c20c7a682efac5b7126f6ea53d00e201df2140e232046f06df66ba2dff261ada2307b984ae6684ec7e7307e5bae00f4b16d3da05c17cd46ac3b480
SSDEEP

6144:zbgVJSxujuVwoKJEFSjlpis90GpktYxl+:zkzMuj0Kdms9xiz

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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe
4928	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1792	4928	AcroRd32.exe	89
PID 4928 wrote to memory of 1792	4928	AcroRd32.exe	89
PID 4928 wrote to memory of 1792	4928	AcroRd32.exe	89
PID 4928 wrote to memory of 2704	4928	AcroRd32.exe	91
PID 4928 wrote to memory of 2704	4928	AcroRd32.exe	91
PID 4928 wrote to memory of 2704	4928	AcroRd32.exe	91
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4952	1792	RdrCEF.exe	92
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93
PID 1792 wrote to memory of 4824	1792	RdrCEF.exe	93

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.9f7b9c89663615135c2b3afbff6f7a40.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1792
- - 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=AA19D8B9B3EB325CC7B3E059C6834018 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=A8E760897582E5ABF00ACEB5D9C5F366 --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=A8E760897582E5ABF00ACEB5D9C5F366 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4824
- - 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=1F0EAB7091434D68F376B81F91F0397B --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=1F0EAB7091434D68F376B81F91F0397B --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4640
- - 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=21571692E35E00FA8018117BB478ABD5 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=BADAB293E56AC01389A440E1D6930BC2 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=B5568C64FD35373BA58F4EC1F57BA127 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2572
- 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:2704

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4956

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
b73857393891b3a038b962f4770a4d7c

SHA1
4ccb0a6b894b633d3e3d8d5e051b01b7d1970e24

SHA256
46793d802b55aa83b9d66f4e9204af5c5421318c687c3e48d8dd3f6e1050cf6d

SHA512
81ce2ba34ec725538991b52a65be2d8e457a5c1e3d7465d2bc0f4f4abd1025ceb8add3fa961c330cbf83a9652b1a0d9200d2dfe3ce0ba8fb0f4c3f566a3bb631

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