719bb7c8f7507444d9cfbcc850c33968be1d6f8123d9d4d6c21647ad535ee0a4

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 07:36

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

8bc3e37902bf4752ccde065c61e922e3.pdf
Size

83KB
MD5

8bc3e37902bf4752ccde065c61e922e3
SHA1

3da3c922f544e039dfe1dc3e74d2c5b8d1a0d7ee
SHA256

719bb7c8f7507444d9cfbcc850c33968be1d6f8123d9d4d6c21647ad535ee0a4
SHA512

a110002b33b6a45510fb739e61069226b15d4a502ae9bb1c4c6c8356d4e9e20b7ad61a1e1487d4a15ce21f2905e84bce03ed09109cb40b073456f59f7e0c0187
SSDEEP

1536:xidWgFILCZTZXrv17/r0Vke+xrREwjvS2ofbnWkNpOPdHmGBH9Wz7EqBBPm5:lrCR5LrAkHxtEMnokPdGGBH67EIY

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
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe
2632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 1612	2632	AcroRd32.exe	88
PID 2632 wrote to memory of 1612	2632	AcroRd32.exe	88
PID 2632 wrote to memory of 1612	2632	AcroRd32.exe	88
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 2812	1612	RdrCEF.exe	89
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90
PID 1612 wrote to memory of 872	1612	RdrCEF.exe	90

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\8bc3e37902bf4752ccde065c61e922e3.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:2632
- 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:1612
- - 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=D2DD0D874329582FCE304B5605C655DA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2812
- - 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=927F06BB6DDB24136C4C062FC14470C5 --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=927F06BB6DDB24136C4C062FC14470C5 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:872
- - 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=131B8BC20543871327C56B404DF96E12 --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=131B8BC20543871327C56B404DF96E12 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5104
- - 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=A2631BA80BE4BCE2D3BF2914DDB5F929 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=8CB4C4B2A75E5190BE1C291054072AD4 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1756
- - 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=46A0A039A23BFF39F3118456A3F768DC --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2580

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
17e0e632e7b28776762eda890ef86dd4

SHA1
4e37bbd75a2fcb20b2bde187ecc98129cbc862d0

SHA256
13449a2261718e13a28f91f275736d522257e207794c80e69f6ade3957a73724

SHA512
af86f902bde4f5af6808b3a0ca4f38e07ed8972a931c4645a5c5ae16e9be029e67a4d78373198ac9b0ceb6810ee53ce571271e9ab16d932f316be0549a5fc4c6

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