1f7cad08476516196b486daad7ea741edc6e63c39d65a682fb87c8c4d68ed3da

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2024 21:14

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General

Target

1f7cad08476516196b486daad7ea741edc6e63c39d65a682fb87c8c4d68ed3da.pdf
Size

150KB
MD5

b3542b88e7b6e585f4cce30b8d106b27
SHA1

434a5b2cdf8795ede6c0e3f418ca1a4227cfeaf1
SHA256

1f7cad08476516196b486daad7ea741edc6e63c39d65a682fb87c8c4d68ed3da
SHA512

8028bfcc7170205645a9d6e53e7580d9c915ba1d2e13995cc2ba5f458ae424475cd54eb7bebac3d42536cc6964feb62cc4487ec32e217cd3a6b269838b3bfc02
SSDEEP

3072:k8n6kgmliDqg7FmBxaJ4wWqxAdjnoHMOIvzxDF7yqwyTALS:k8oJmBx24wqjnwIrNFrwZW

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4424	4040	AcroRd32.exe	85
PID 4040 wrote to memory of 4424	4040	AcroRd32.exe	85
PID 4040 wrote to memory of 4424	4040	AcroRd32.exe	85
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 4900	4424	RdrCEF.exe	86
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	RdrCEF.exe	87
PID 4424 wrote to memory of 2620	4424	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\1f7cad08476516196b486daad7ea741edc6e63c39d65a682fb87c8c4d68ed3da.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:4040
- 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:4424
- - 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=C7D921ED6F3C02DCFAAEEC3D507DB31E --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=C7D921ED6F3C02DCFAAEEC3D507DB31E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4900
- - 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=5186B2CB7C765EB68F014FFFC385E028 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2620
- - 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=C4DE3DEE4D8980DE60F2BF5C4DDFDCE9 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=7353B07B3F089190E64B16B4CEC53E38 --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=7353B07B3F089190E64B16B4CEC53E38 --renderer-client-id=5 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3964
- - 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=DD2C73B4A30986E6DD9DC197A16F5468 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- - 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=5000C4E2165C8024206586A5B49024AE --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2564

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1692

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
95376f6401cb62b407811c8a98960ac6

SHA1
645da8336eaa6e73419daa904d8d09d443a6e9bb

SHA256
9c7b986ccf781346b281301b9274c911cd542743a8f7ddb43840db9cf578e5cb

SHA512
425d79ec333f6b2a1bfca8476da52bc077020304bbb0060e4f6d014302afc3287019105f572d4e2b04ee727b1bf7dc52cf5fb30b6334e9b0fcbf8185672450c7

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