1386fa912b1dad5e3eaacc24bf824c3527f125692b427ab54c24e827136a63c6

Analysis

max time kernel
150s
max time network
160s
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, 00:15

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General

Target

083309731b350d49fe528f1828acfba1.pdf
Size

36KB
MD5

083309731b350d49fe528f1828acfba1
SHA1

4035736d3cef713d3a08882a0693bc0fec5987a1
SHA256

1386fa912b1dad5e3eaacc24bf824c3527f125692b427ab54c24e827136a63c6
SHA512

6b3334185b8cdc4bbc11c9fcccc8f8a8b4925195f87dc13e18664db39778c1891991ea0351224b250db6d06570d0e52ee12a7f9cdd9efb11a8d9f059d9bf7071
SSDEEP

768:kRr/OElnM9sXX9nwNoti0PQ11n0bjcLeGuDFq0W:IrNnwNoQ303cL8Bqr

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 4644	3768	AcroRd32.exe	91
PID 3768 wrote to memory of 4644	3768	AcroRd32.exe	91
PID 3768 wrote to memory of 4644	3768	AcroRd32.exe	91
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 4432	4644	RdrCEF.exe	92
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1900	4644	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\083309731b350d49fe528f1828acfba1.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:3768
- 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:4644
- - 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=540975C1E5AB691D335B7B6B85C3D8E3 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=2D6918AD247A7AB72561D397085FAED8 --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=2D6918AD247A7AB72561D397085FAED8 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1900
- - 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=D06EAFC924096A15D100608FD96BA33E --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=D06EAFC924096A15D100608FD96BA33E --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3216
- - 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=05044511691ACF0E032AB705744404F6 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1716
- - 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=1FCA5EBAFA34794C81C75C7BCBD4495D --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3000
- - 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=47822C62C9F34C2D990CCE3888306EEC --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2464

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
e92ff0f745e22293177b4d9223a849aa

SHA1
94dfd19607ec2ba1fe99acbe6018ba7420a45079

SHA256
6c7b1531eea498a76a4405631b520a730e0947be40f10135d092215072767eaf

SHA512
d340b9f8cf25591093655a0c855706fa18e1492ee0a719026c6b5cb8b53718d024329be6ec51a5699e65461cf9d42a9cc5fd1e0933797a7c40ac19ade8e52599

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
memory/3768-27-0x0000000009E00000-0x0000000009E21000-memory.dmp

Filesize
132KB

Download
memory/3768-134-0x000000000AAD0000-0x000000000AC1D000-memory.dmp

Filesize
1.3MB

Download