3bba8e0acca28dd40de8c951b34adc42fd950e83c54bcd121f9167386ec23d61

Analysis

max time kernel
173s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 20:48

Sharing

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General

Target

1c29050eb34eb6d4a910695658b1c130.pdf
Size

6KB
MD5

1c29050eb34eb6d4a910695658b1c130
SHA1

d1ee5d9ccf93d1afeeef29ab940110bcd5144d36
SHA256

3bba8e0acca28dd40de8c951b34adc42fd950e83c54bcd121f9167386ec23d61
SHA512

f3ce634b19c6cc47d7b82cf380ab3e9675c6c84c4c9c99980c9e5d91b29b1f678e9ca0e50a4db11e613c9bbca3ffc48945388b6dff0fd21e79ec81022dfc4665
SSDEEP

192:M2RHQAXMtVaVriMQKfSdsAOSxbEyTtC6hSy1H:TQOMzaVjSdsAnxbEetCUSUH

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 3372	728	AcroRd32.exe	93
PID 728 wrote to memory of 3372	728	AcroRd32.exe	93
PID 728 wrote to memory of 3372	728	AcroRd32.exe	93
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4220	3372	RdrCEF.exe	96
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	RdrCEF.exe	97
PID 3372 wrote to memory of 4716	3372	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\1c29050eb34eb6d4a910695658b1c130.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:728
- 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:3372
- - 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=A5692EBE40565414996A5AAA5B564B05 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220
- - 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=3458FA9AC832A4D2C4FC1D576A093077 --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=3458FA9AC832A4D2C4FC1D576A093077 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4716
- - 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=C09D2E322B4FEDDC5EF21D96AFADFDAF --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=C09D2E322B4FEDDC5EF21D96AFADFDAF --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4032
- - 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=AABCDB4C994DEEE1371453324691E0E3 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2276
- - 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=600E86DA00AC337ADCDCAF83C018AE46 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4208
- - 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=E4C3815FA247B44AAB646C768BA1FC76 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1172

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2388

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
e66ca13640780ef7d81cb857185b38fe

SHA1
7734576c254a2d68fd122059b6a2bb85dd5159dd

SHA256
a2d62d4714fa6ecb9f5a5ae8f8814cfa145d0db9e093e85199a4d4c24dd2e21e

SHA512
1e073c9b5acbbee7807ddac173a571a29263f29f8884061d71bc5a76f216d81e864b13363393c6dbea18df7bd1e877aef24c07e0babe12eee0a2f2778a4b15f1

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
22KB

MD5
4815577aea062a8e56a840069c451c29

SHA1
4393d71daf3a4e985e0cee2451e5eb6c4c799329

SHA256
6d355593146b7ba35890c3ce3c86d84d6ab3e5135bf0c72d5b3f7d133ab85ca0

SHA512
402707a4707279137741e87baa3ef5fd161669bf9c9202745ed78e59204e3671a3c84b3515e4ae93d321a17015281de71aa412623a224448b5533102d8d53d69

Download Submit