997afb390fffc5c5468c1b1acee51da2ccf5e41195c131b7763605eacee859df

Analysis

max time kernel
167s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 05:47

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General

Target

57e418a9ddfb81aebf4de0cb344349c7.pdf
Size

90KB
MD5

57e418a9ddfb81aebf4de0cb344349c7
SHA1

850a9d61d4ceddc862e8ccdc94372eeba16f3bed
SHA256

997afb390fffc5c5468c1b1acee51da2ccf5e41195c131b7763605eacee859df
SHA512

1c4a2491710fcf1d3c74ce8cf1ce7fcdd45c3bb5e3f3ed50c16f74ebc8fe24e91f8e47d574c0e39b41802d3ae29e082168851b7997497aa0e401da853ff02c53
SSDEEP

1536:JrCClwym4uk0vKZLEwyhvjZ2saNA9VOBNS3ameE0hTWXpO/EWRjRJguG3aHu8zBe:BCcuaExtZBaMVO3SOE0P/1tLw+9te

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 468	2492	AcroRd32.exe	93
PID 2492 wrote to memory of 468	2492	AcroRd32.exe	93
PID 2492 wrote to memory of 468	2492	AcroRd32.exe	93
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 4492	468	RdrCEF.exe	96
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97
PID 468 wrote to memory of 1768	468	RdrCEF.exe	97

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\57e418a9ddfb81aebf4de0cb344349c7.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:2492
- 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:468
- - 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=7AE8144F535AFD690989FB3A726ED2E2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=1B4736630AD1AC66B34E28262AF3023A --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=1B4736630AD1AC66B34E28262AF3023A --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1768
- - 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=6E3D92DFD0BF710887370D4E33DDB61D --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=6E3D92DFD0BF710887370D4E33DDB61D --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2904
- - 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=940573766AA0FF7E55FA65FE767C5FDC --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- - 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=A26C561D8B9655943BBED914E99A21D9 --mojo-platform-channel-handle=2740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=3430CA2334285E0C0EDEADA454AD7C0F --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2264

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
64KB

MD5
37a651f8ce04287a2763c3291804914e

SHA1
1cfbd7d0ad84a343643d3f85ac087733e34605da

SHA256
74eab9a062693ff0b17dac1389374c1e254947acb4034a83b2c47a5f72375268

SHA512
7ef64c81a9c2e7238e8d5b91c3178b947e596ae9a1d12609fbf1777ff1e28e101e95279bb8f7c646d6f05e0451f5fccb892a3e208e8562f4011f3b695be710e7

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