2e8c1d57a145d200a1ab6f22f9ee3181da75cd4c109a858100fa0728944fc982

Analysis

max time kernel
290s
max time network
261s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 00:23

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General

Target

súd.pdf
Size

124KB
MD5

555682fa9b65e96e19dd49949dd6a8a2
SHA1

7e69539f5c8d2cd1d7d4dec04e0fd4056a1c2636
SHA256

2e8c1d57a145d200a1ab6f22f9ee3181da75cd4c109a858100fa0728944fc982
SHA512

bfbf5050ec9752977c2d25c17576196e6955bbf511b6d808ec44be97bc73d9b5fe64434719b770f0daaeb5f6a6139b9d9e38dec989da8eca43894e2067bc5b1f
SSDEEP

3072:qTjHtH7ADojTTrSh47pzbTYYK3SFrts/OzvZxMLhz2:ObtLjTTr+41zrKUrtsWznwy

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-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3032	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe
3032	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 684	3032	AcroRd32.exe	85
PID 3032 wrote to memory of 684	3032	AcroRd32.exe	85
PID 3032 wrote to memory of 684	3032	AcroRd32.exe	85
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 2500	684	RdrCEF.exe	86
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87
PID 684 wrote to memory of 3972	684	RdrCEF.exe	87

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\súd.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:3032
- 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:684
- - 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=60DDC24A6632A792113E17C760504A84 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=E974DE233D21178BFCF685644CA7CFAB --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=E974DE233D21178BFCF685644CA7CFAB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    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=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=88362778F101FC78AF166750D46B6FE1 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296
- - 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=14DC2DED95F5860B1CC8F81B095149B5 --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=14DC2DED95F5860B1CC8F81B095149B5 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2004
- - 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=0108744F06469158F8767248496670EB --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=37E97C9839EE4A2747F002B406E0F6D9 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4200

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
37baa5d864ca8f5cfbf8c7cd90d2a96d

SHA1
42bcbd8bd1dcfa8e31fa8025105087a1f811bde3

SHA256
4019bd072d858ee2f1c690e0d2e9602a8fa01c1606981fb10acf12b5337d79a1

SHA512
ce0c0175739c5dc1f51c5712bedf44ca754ad04cffccabba933004af80e40ea364c15b9add7d68859839a83e96cec538bcc7a0d5b8ec829a971ef77b860f9f20

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