a781b63fc413b0a82c7b7cdfb36b8285715bef12f51d100f68220115e5d6fb19

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:30

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General

Target

cvery.comvc91453453634/Win_OSD_SDK/Doc/OSDlib.pdf
Size

306KB
MD5

cbfbb40d6c4ba60e4a790ceae4dfaf6b
SHA1

11350bff4158591f0a198f9c1575ea935c812628
SHA256

b8e63fee173ba5b7b62bb44be448e89d60979954ad7248f3583fa81a1d2d6432
SHA512

bfe7388bb9c2a2f8da9fce4a3c4e3ccb4735225d5ce8ea6f53c9406726957b131ee694f123f28045a120c198ecdb66c759c3872464ee902c3cac08dae612e9a1
SSDEEP

3072:ZVcFLQ+ew1VhHLQ+8x7MUQCrFN6VJKvEA9uFukyskXg:ZVsQ+11PQ+8JnLrrY8vEA9ulys0g

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 4452	2568	AcroRd32.exe	89
PID 2568 wrote to memory of 4452	2568	AcroRd32.exe	89
PID 2568 wrote to memory of 4452	2568	AcroRd32.exe	89
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 3612	4452	RdrCEF.exe	90
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91
PID 4452 wrote to memory of 2536	4452	RdrCEF.exe	91

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\cvery.comvc91453453634\Win_OSD_SDK\Doc\OSDlib.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:2568
- 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:4452
- - 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=932A9AB817572AC626FE0616163E4AA4 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612
- - 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=FBB21401AF061A2670B34E1AFE5AF050 --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=FBB21401AF061A2670B34E1AFE5AF050 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=8C8AA938C8EF9F3EF5FFCD6CDD314A64 --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=8C8AA938C8EF9F3EF5FFCD6CDD314A64 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=1318B770C10596F035C612249EA9BFB5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2224
- - 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=2256A6A882F83319E32E1EA0EB59CF5A --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4580
- - 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=DA91FFB8D3D615E32A03DC5434F380A3 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3692

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
9KB

MD5
16cfa8464d46719ce745c2133dbfedf8

SHA1
a17d7b9f5f927e665d496917ef036e10a7c7bf5e

SHA256
59b59660e6ed1dd40748b94e052c49ab7242a898e3c425ea4f62ad738f948c43

SHA512
b1b0318b7fa2694449bf039483d71c1438de8aed8ece5a83d0c59c987f6967ca99213cb7a4266f65f75bbfca4b9b4d3fcd85516865ada80d01236d0bcd6ae007

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