b8bfe08b10ec50fc3ecfd9c634f7fb6ce804801c5e592a7b6368dedb3f8e1564

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 18:01

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General

Target

NEAS.694640d9d43c4ec7915e4ee0aead3710.pdf
Size

272KB
MD5

694640d9d43c4ec7915e4ee0aead3710
SHA1

be006a1fa8a258b81a25124faf9aee221388321b
SHA256

b8bfe08b10ec50fc3ecfd9c634f7fb6ce804801c5e592a7b6368dedb3f8e1564
SHA512

9c25e64ffee0704fa5e4a3f2f32a75fdf7e63e791e4f6957058609de70b043c7e0c80b0ae0a320a97fda4e6e8a319ecef70eece1f340b8c6d9d1a62d39c57993
SSDEEP

6144:D4psoc/zoJsNLncRNN0aLSDOd7RX1Io1KYQI6kj5Y6L:8/cLoS5cRNBJRlIoADI6iaY

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe
4772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 1064	4772	AcroRd32.exe	87
PID 4772 wrote to memory of 1064	4772	AcroRd32.exe	87
PID 4772 wrote to memory of 1064	4772	AcroRd32.exe	87
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 4100	1064	RdrCEF.exe	88
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89
PID 1064 wrote to memory of 808	1064	RdrCEF.exe	89

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.694640d9d43c4ec7915e4ee0aead3710.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:4772
- 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:1064
- - 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=7857614895C376DF09C1D76A9FD6AFC8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4100
- - 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=242ED911AD89B8E3B16BF0D061A20887 --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=242ED911AD89B8E3B16BF0D061A20887 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:808
- - 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=56AF7D3AAEFFF07BBB30D3ED7B4F4755 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=9DE8E3845448B2256ABC51BBD5711E8F --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=9DE8E3845448B2256ABC51BBD5711E8F --renderer-client-id=5 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1748
- - 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=B648D2FC69FBF95BFCEA3D0388BB082B --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=D02A2ECB145892E596D764C1CA67FE6B --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:756

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
56ba3d3dcf166a9361a96bb8be9b723f

SHA1
2aa00fd346127704c71c438ede5c6d68ab501e22

SHA256
b553c2c78b094953c852524f0515d353784cc9283e567d293bb6bd8f60ddc7af

SHA512
61644457dbec94092094a965613996bb7b8adb17c81702af1084f3ee32d7dbc74c9f6bf415622fbcc38995d7202e3ad64ecfdfe8b715dc3acc90c1569a2d7f96

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
memory/4772-28-0x000000000C2C0000-0x000000000C2E1000-memory.dmp

Filesize
132KB

Download