Analysis
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max time kernel
171s -
max time network
186s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
08-11-2022 21:20
Static task
static1
Behavioral task
behavioral1
Sample
WindowsDefenderSmarttScreen.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
WindowsDefenderSmarttScreen.exe
Resource
win10v2004-20220812-en
General
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Target
WindowsDefenderSmarttScreen.exe
-
Size
4.2MB
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MD5
b60e44033994d1fde9a4b6f1338bfa04
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SHA1
7f2cd8091276040ca011174269112099ec3e9bef
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SHA256
baaa098832eb5790a1fabfdc6284eecffdd74a914ea1312c0f413cc5bb814a7e
-
SHA512
a8776d7ce2bffa25cefe789bf8f5a4b5b0b81ef53cd0c783ded1be9ee0f976c6c2a3bd41a4d9c05eb15910051d3cfe490c6390b7029d370ad71487c88416c574
-
SSDEEP
49152:Zsblud53xMQg3Q3cX5C/wnvdAlPjcmYDIYqDsfgVi:Zspuff721
Malware Config
Extracted
asyncrat
1.0.7
WindowsDefenderSmarttScreen
217.64.31.3:9742
WindowsDefenderSmarttScreen
-
delay
1
-
install
false
-
install_file
WindowsDefenderSmarttScreen.exe
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install_folder
%AppData%
Signatures
-
Async RAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1092-56-0x0000000000A40000-0x0000000000A52000-memory.dmp asyncrat -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
WindowsDefenderSmarttScreen.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\OperaSetups = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker\\RuntimeBroker.exe" WindowsDefenderSmarttScreen.exe