cca516abb72470d6ac65717b58ec9800828f628112ee9be7d1573b7d9ca83c18

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 09:48

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General

Target

503e258710cd6fc7b9874d5f0d0316f1.pdf
Size

75KB
MD5

503e258710cd6fc7b9874d5f0d0316f1
SHA1

e91580e3629a9b402b99d1c92bcf71508d27e385
SHA256

cca516abb72470d6ac65717b58ec9800828f628112ee9be7d1573b7d9ca83c18
SHA512

a9b7895a4d8b5c0e9772fc151db38e960057a36153a2349e08830fc697751c97a1eb338d85246460c9cf33c7292db0e90af6c9e3e5ee0416a8206abcad018767
SSDEEP

1536:5luHpQG9EMPHlf46oNrJh3PNE1YHhgpZTrOWkNpOPaWUA+O9LpRJdCNwelHf:T6ykHlwfh31E1iMzPm09LpRJHU

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 3916	4544	AcroRd32.exe	91
PID 4544 wrote to memory of 3916	4544	AcroRd32.exe	91
PID 4544 wrote to memory of 3916	4544	AcroRd32.exe	91
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 452	3916	RdrCEF.exe	92
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	RdrCEF.exe	93
PID 3916 wrote to memory of 512	3916	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\503e258710cd6fc7b9874d5f0d0316f1.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:4544
- 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:3916
- - 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=2D04E45CDF14B647ED0D768DC243C9F0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=2F210A6BEA4FF22D19F5E0C5EA2E857F --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=2F210A6BEA4FF22D19F5E0C5EA2E857F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:512
- - 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=15A872E5E5BD67AB1D9D2EE2FBBDBD0B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=0924253A997D7E88CA0BEB2D4F1451A5 --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=0924253A997D7E88CA0BEB2D4F1451A5 --renderer-client-id=5 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3628
- - 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=E9EBFEDAA71B9457E9BD7CEA305FA0DE --mojo-platform-channel-handle=2728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:732
- - 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=D4260FAA882002422E77A10FC3336305 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:116

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
e07fd8836fe73a2e100f2fb09c287364

SHA1
9f7895084c5fd0ddeaca8b43504642e02a1b8549

SHA256
7abb4e66f7ae2d03a665c448c2116f379322c9d25c9f01758c424da42ed3b039

SHA512
6d3f438bb34acf983fbfe374f62d82fb1b753f1f4801561030e92e41ce0293bb81ccb2913577e4b7c42b20374b17b2878e469851dfff2e74bed98d4d5d858cf9

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