20585a0c5ca3c9687b51ef74c9cc60a5e99c12bc27a83223331973be571256e5

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 16:02

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General

Target

46a1d40d7c9da5611eabd3d71729584e.pdf
Size

93KB
MD5

46a1d40d7c9da5611eabd3d71729584e
SHA1

60cebf85f5b5d086af009f8ee35ce2478a380e13
SHA256

20585a0c5ca3c9687b51ef74c9cc60a5e99c12bc27a83223331973be571256e5
SHA512

859525e557f2084d006a15465f9611d52ca248fd52c5f4b1993f1d20f5e94279df786059949eb627f33836bcf9cf70b179b1be226a94b14c924a1a79d82e31ff
SSDEEP

384:B3O+eOyEwnt+IthrXtJrcZiLHQOtvatO7JJAjWYRtzOwy/1PDUttFVYtlnPFKu/Y:TH

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 3840	4792	AcroRd32.exe	92
PID 4792 wrote to memory of 3840	4792	AcroRd32.exe	92
PID 4792 wrote to memory of 3840	4792	AcroRd32.exe	92
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 3164	3840	RdrCEF.exe	94
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	RdrCEF.exe	93
PID 3840 wrote to memory of 5060	3840	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\46a1d40d7c9da5611eabd3d71729584e.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:4792
- 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:3840
- - 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=9722B0E1F68A35B585FC2F08194307BA --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=9722B0E1F68A35B585FC2F08194307BA --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5060
- - 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=080D23457F594D4A12D82465EEFB6016 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=720F9CB69AD754E82CEBC3FB8E66751F --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=53AE21F8F79AF4246A606213E25C4EE1 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1132
- - 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=148BD854C97E347DA9525BBD71E7114A --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1348
- - 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=789A129BFEBE6F3DED80D6DDC90FF40D --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=789A129BFEBE6F3DED80D6DDC90FF40D --renderer-client-id=8 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2208

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
167b59b275a9564d99c2f722e1515088

SHA1
0a4c7e05c09178a18fc05b9ba131c9a6f1caeffd

SHA256
bc08c50f3c3f60499e15d3647ad6520e82144a0ab335dfc86a2bdebd1f9c02c8

SHA512
818511534d9ccc22e36e7dfd68c6ea82ac1e08ebcc4525c37a7e147306fe94f8f3ca25e9babbb5da15132700d45a36f5dde62a55ac0893d75dea2ef5ecb8bd2d

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit