2adb8ebf7558e24ecc72d6f867bb142dfe29d114741baf581bac6b35caa12bd9

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 08:13

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General

Target

b6f25337313dc6ef21f63210e802d1f7.pdf
Size

85KB
MD5

b6f25337313dc6ef21f63210e802d1f7
SHA1

1b82975c308f7ce6f7d93128936c88878b5067da
SHA256

2adb8ebf7558e24ecc72d6f867bb142dfe29d114741baf581bac6b35caa12bd9
SHA512

a4d42cf38abfdddae8b9a5fd62e6a14e6826a0d59d6edb05c9e631f2c3ad5d4da5bb926ccf4872411e7aba70db0b83bd3bd222f8b123f3d5b739afc4f1fef6a1
SSDEEP

1536:AsQALUD6RDmDvTWd5zjdgUapCxOzwFlcslZWrM8d8d7Ol5mSAg6rNdlWspORrf3:dQALUDPDUnuUAuOkFl5fsTAJRdsRL

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4628	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe
4628	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4508	4628	AcroRd32.exe	94
PID 4628 wrote to memory of 4508	4628	AcroRd32.exe	94
PID 4628 wrote to memory of 4508	4628	AcroRd32.exe	94
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 3408	4508	RdrCEF.exe	97
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98
PID 4508 wrote to memory of 2988	4508	RdrCEF.exe	98

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\b6f25337313dc6ef21f63210e802d1f7.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:4628
- 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:4508
- - 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=61D0FFFB1C4595CCA55588F44E6F9EE0 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3408
- - 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=1AEC5A9DD38F5F727B1612730EEFABD1 --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=1AEC5A9DD38F5F727B1612730EEFABD1 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2988
- - 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=32CDCE78E29F897467041C5A8CC7BE75 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=E7CCFCE00B6595A62AD6397FE68F0275 --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=E7CCFCE00B6595A62AD6397FE68F0275 --renderer-client-id=5 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2944
- - 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=14922FA278697A7D404BD1AEBF672414 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:924
- - 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=FF8DF4AF470239B33CFC154FA16D2AB8 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2516

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
c99331a1b8134324405630b9fd978f13

SHA1
01b091d83319033a70d9ab698b3f060d659348bc

SHA256
fb00346e7cd99b1e84af42d686a1394efd77291ccbcaad1583b605fbdb5e38b5

SHA512
d4264dc5eb8e1a31ab9e687216aa4b8684cfeeea09f7186ba41f285f1c1d27f22deb4db264bd3851e1a93213902bce111622487b021168d789d290cf85048176

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