467564c5ea629586856ab0ae21772e220fc1c40cc5261e3f49aaa8fedbc9aef0

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 12:21

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General

Target

1feb51ee9ad0a0b1bdf3603528e6f036.pdf
Size

90KB
MD5

1feb51ee9ad0a0b1bdf3603528e6f036
SHA1

b56f5d6b5cad24a0579ac735b212add606913047
SHA256

467564c5ea629586856ab0ae21772e220fc1c40cc5261e3f49aaa8fedbc9aef0
SHA512

5158620218332d0da7c07a7cc431e202bc9f7fb507fc7d6d36d28ee7388f3783dee0c293675158f171246ba7744def2ed3f286f76acf0ae865dcd8ed6932c2cb
SSDEEP

1536:jJNZb9k4ebGOiRw8tZLMjUF35MeTTJBXPTja4NVqOaWbO6XQYww0AdWUpO7oscVU:1z9k4eKvDYUoeTXLT2N6d0AA7ncyPl

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4792	5084	AcroRd32.exe	96
PID 5084 wrote to memory of 4792	5084	AcroRd32.exe	96
PID 5084 wrote to memory of 4792	5084	AcroRd32.exe	96
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 2796	4792	RdrCEF.exe	97
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98
PID 4792 wrote to memory of 3884	4792	RdrCEF.exe	98

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\1feb51ee9ad0a0b1bdf3603528e6f036.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:5084
- 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:4792
- - 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=AF18A7CD0C2C8D3485D276FC56D9160D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2796
- - 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=9DA67305D42E5723CE6C2580B4975DC7 --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=9DA67305D42E5723CE6C2580B4975DC7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3884
- - 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=ACD964E8F6215C3E4736FEF816A3BBA4 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212
- - 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=B6729401443888521BA85F5359FE06EB --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2152
- - 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=1AF6E06580D9ED0F30D62BCCDC9C90D7 --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=1AF6E06580D9ED0F30D62BCCDC9C90D7 --renderer-client-id=6 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892
- - 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=11C3977114D7D3D4BC520C6A8AF6A39A --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3640

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
6aec2a91e44b735af666165fa36a9f2b

SHA1
ce934d527a593e15d7979d945bef743a0e0c55e6

SHA256
b47492a002349efa83c50988c71d30722c6721934900a54f9291cf80c2cc8af5

SHA512
5f896303df685861877b1426153f18d7c1199ba07e43ee4ce13d5d321933268b8458bc9f2195c7ed8f67c0ba936e144dbaaa8589a506864f497fb3feee901465

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