Overview
overview
6Static
static
3Easy Paint...ny.ps1
windows7-x64
3Easy Paint...ny.ps1
windows10-2004-x64
3Easy Paint...lp.chm
windows7-x64
1Easy Paint...lp.chm
windows10-2004-x64
1Easy Paint...ai.exe
windows7-x64
6Easy Paint...ai.exe
windows10-2004-x64
6Easy Paint...fl.dll
windows7-x64
1Easy Paint...fl.dll
windows10-2004-x64
3Analysis
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max time kernel
11s -
max time network
13s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-06-2024 10:59
Behavioral task
behavioral1
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/blotmap/Grainy.ps1
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/blotmap/Grainy.ps1
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/help.chm
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/help.chm
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/sai.exe
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/sai.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/sfl.dll
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/sfl.dll
Resource
win10v2004-20240611-en
General
-
Target
Easy Paint Tool SAI 1.2.0/Paint Tool SAI 1.2.0/sai.exe
-
Size
1.5MB
-
MD5
f1b497619bfdca80d4d98507a33faea5
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SHA1
2ebedbd7a6582bda5eda05eaeb3ba1533233196c
-
SHA256
260384c46834d42aa554efba76c56366338d99a81b536e5a6708f0516137fed4
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SHA512
a613bc8f35948e15d140d4c18703911c217e605d0d4a8c37431ee7c9153f667046968748f0754bbe7db92aefe5fd337b410f29be8fd0b204b1a510126a0e4fcf
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SSDEEP
24576:e8oV8kY2c+SO1h9Rey945GQtb3082fPx5BTOXyRSPzLdoEW:Gn5H2x30phTDw
Malware Config
Signatures
-
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
sai.exedescription ioc process File opened for modification \??\PhysicalDrive0 sai.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
sai.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\2 sai.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 sai.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString sai.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\1 sai.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString sai.exe