Analysis
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max time kernel
95s -
max time network
145s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250217-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
13/03/2025, 19:01
Behavioral task
behavioral1
Sample
NullsBrawlOFFICIALNOVIRUS100%LEGIT.apk
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
NullsBrawlOFFICIALNOVIRUS100%LEGIT.apk
Resource
win10v2004-20250313-en
Behavioral task
behavioral3
Sample
NullsBrawlOFFICIALNOVIRUS100%LEGIT.apk
Resource
win10ltsc2021-20250217-en
Behavioral task
behavioral4
Sample
NullsBrawlOFFICIALNOVIRUS100%LEGIT.apk
Resource
win11-20250217-en
General
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Target
NullsBrawlOFFICIALNOVIRUS100%LEGIT.apk
-
Size
533KB
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MD5
9f01767647e2e72f446d374bbcb20c53
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SHA1
f6b1adcd7723b525418a05bcede5c671366d7ab3
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SHA256
fcee982b3d0e1601b40078d98df03503668aec7542721f921ae8248bc3cec3a1
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SHA512
4b9dc2dc08f015ed96a3ce30978994314d3edca84348eb62e7cb65d4d5477f179c44c80cc0a67863bc119555d0217f57681d047ce98ec405bd5eeaf2da8280ed
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SSDEEP
12288:kjRH6+O//n3tKpSsM+1HA+x283ecVS3EVqPlR6i0Ci3jM34D9Z:kN6+ONjstg38OOS3EW6i0C+M3SZ
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1252571373-3012572919-3982031544-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1252571373-3012572919-3982031544-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5600 OpenWith.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\NullsBrawlOFFICIALNOVIRUS100%LEGIT.apk1⤵
- Modifies registry class
PID:2704
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5600