a1cff5ed6af1867a1da61ee5371fcc069d6d3696c269ea81a9810ba395e9e1b5

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 00:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

46816bd5c4444ef3e2d2d30e4773a816.pdf
Size

101KB
MD5

46816bd5c4444ef3e2d2d30e4773a816
SHA1

4b967ded4f509a25d7a9c6f0fbf64930f512d24a
SHA256

a1cff5ed6af1867a1da61ee5371fcc069d6d3696c269ea81a9810ba395e9e1b5
SHA512

9ad75174faa3532ff1b230c75f30fd11c822e90e307db7209c720f02fff3961120202522f746a6d22b35e1857dda53dd94c4ca933e78efa153efe1b2bfffdfc8
SSDEEP

3072:qTimN7355akXXMz6wSrYrhAtyC4lYtQ2O:GtN7355zXcur8gyF3

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 1816	5088	AcroRd32.exe	98
PID 5088 wrote to memory of 1816	5088	AcroRd32.exe	98
PID 5088 wrote to memory of 1816	5088	AcroRd32.exe	98
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4044	1816	RdrCEF.exe	99
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100
PID 1816 wrote to memory of 4392	1816	RdrCEF.exe	100

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\46816bd5c4444ef3e2d2d30e4773a816.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:5088
- 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:1816
- - 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=C7C652FCAAD86B53A81730D3EE58ED44 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=BF30A63059287CDA8BAE7D3D242A45C8 --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=BF30A63059287CDA8BAE7D3D242A45C8 --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4392
- - 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=A3BF776440E26E8223F751A513E9D3E3 --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=A3BF776440E26E8223F751A513E9D3E3 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2844
- - 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=D65CF7110080A5CC27044E0A0D59722B --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=E8FDE3EA82BFF222BDE20A1C29925EDD --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4004
- - 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=5EBB5A42F5EAD2AB42639FBCDE7F8BF6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636

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
79b585213b52f8ae4876fcafc9252e69

SHA1
5ab22a317f11de171b3965679ec33f560bd588d6

SHA256
99c73ccf7fb1fec96354447ca7dd7d1c0f968924ffd3011a6171b4debac74388

SHA512
30c46f9b6c3166686c2f5042f8846bb410a89daf5e8fb7fe2cb6a7773381a87abcd41f3d75c8fb1c0e15dee8e667229fbbfa0322b0efb8228c8f14cacc2a6f26

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