b4a6b9bbf36f8ee796863c0772e3fc416ea2819bf08768640fa37d9c0df60548

Analysis

max time kernel
143s
max time network
152s
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, 12:52

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General

Target

191996f1ecbae1d3eb531ffb48cc1452.pdf
Size

42KB
MD5

191996f1ecbae1d3eb531ffb48cc1452
SHA1

c81e20539ca3a4271c57fd96230e6154a0e8bf18
SHA256

b4a6b9bbf36f8ee796863c0772e3fc416ea2819bf08768640fa37d9c0df60548
SHA512

138a454d11c8f0a4339ad3c328a98b38784db172209644e169e1fb5b56f53a01d2ed11ffcf807aa68b67a3eabcacdb77158582ca43276ee4849fe9e3a22d3119
SSDEEP

768:jj9LP528CAzse05I/D4Ax9YL3HuKWvqgB3cW6MpQhA3nKHU2m0qXUl:jj975BCAv05lA8HHWN+MpQhA3nK0KoUl

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3336	2252	AcroRd32.exe	91
PID 2252 wrote to memory of 3336	2252	AcroRd32.exe	91
PID 2252 wrote to memory of 3336	2252	AcroRd32.exe	91
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 728	3336	RdrCEF.exe	93
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92
PID 3336 wrote to memory of 3720	3336	RdrCEF.exe	92

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\191996f1ecbae1d3eb531ffb48cc1452.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:2252
- 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:3336
- - 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=A5617F2567D2295DDC8CD0798303836C --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=A5617F2567D2295DDC8CD0798303836C --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3720
- - 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=92F3E672EA5AF84F295316C55E31FFDC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=F00FD357EC31AACF59BF803F97B4531F --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=CB64561FE9A729837CA7625CA772C83B --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1712
- - 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=E8F9667A9ED39325B8EF7494AF18488F --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=705BAA9517B57CFB759579E7E828E81A --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=705BAA9517B57CFB759579E7E828E81A --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3824

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3488

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
15781dd63e300848b95e7c0c2439e763

SHA1
bc1eee0266f9b4ec1ae5bd4d4212688c7e651db9

SHA256
437032b68c6910feb03004d36f9db614689f789ec96f7ab56793f93a91aec8af

SHA512
ceb28db2da28fc8f02c679685654277ba35261d84ca9da68b2a773bacba9d3b9c09c9cc56874fc8182570a8241c5a7208aafd0f3802502cf33985688dadd7979

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