3afe2d4f17b2f56580e4d952f48bca0bb89118d07f266710437b098ed27c3bf8

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 02:17

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General

Target

bf94859d5a8ef99a255b948cba0ce2b7.pdf
Size

33KB
MD5

bf94859d5a8ef99a255b948cba0ce2b7
SHA1

c803016c26e4bc604637909ff409771e1d58e4b3
SHA256

3afe2d4f17b2f56580e4d952f48bca0bb89118d07f266710437b098ed27c3bf8
SHA512

f6706cc6706d0c238a33a4c364201d6405d0cdac694b547df45b5a15806519301f263e22ab337820ccf86d0404580ad717668fee718354689e721109d0332d96
SSDEEP

768:Y3EeA7lFwEiGDZ9O5/uGc2C2v8CjD8utDoAp4e0IFg:Y0eBEJ/+4SD8sDZp4IFg

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe
1452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 5012	1452	AcroRd32.exe	83
PID 1452 wrote to memory of 5012	1452	AcroRd32.exe	83
PID 1452 wrote to memory of 5012	1452	AcroRd32.exe	83
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 3972	5012	RdrCEF.exe	84
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85
PID 5012 wrote to memory of 2344	5012	RdrCEF.exe	85

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\bf94859d5a8ef99a255b948cba0ce2b7.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:1452
- 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:5012
- - 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=8178A46630D0F45F06F1DE7C6D954AE2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3972
- - 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=14BE6CE5EDEB24C01430D2C0DCEA05DA --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=14BE6CE5EDEB24C01430D2C0DCEA05DA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2344
- - 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=72A1A40B4A5897739D3AAE378CA184E3 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2708
- - 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=4405F18B63273335C329CE0034D0CE24 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3504
- - 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=8AD66AE9EE89DBDA32FE2CAAB2B074A4 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3324
- - 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=C52E511C232B75CC69FBEA49F6572CC6 --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=C52E511C232B75CC69FBEA49F6572CC6 --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4484

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4836

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
ab1ca517221f3da2291ba3745d9e76a0

SHA1
54acfd8ac374a0162a9492d380f3cd18b6087c81

SHA256
c80838014860723e6c534ba419547534373e7a83d487b6d8f2213a83c59fb67f

SHA512
2326d210027bf8c4a062fe223aafaba4e3a8f0e3e4c061e1f68d551b78ae1c35a95b03729805a5622546e5d133a1cc9b713d739a6633e10bcba387ab10e968f6

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/1452-28-0x000000000A870000-0x000000000A891000-memory.dmp

Filesize
132KB

Download