Analysis
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max time kernel
112s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2022 05:24
Static task
static1
Behavioral task
behavioral1
Sample
AvastSvcyHA/AvastAuth.dat
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
AvastSvcyHA/AvastAuth.dat
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
AvastSvcyHA/AvastSvc.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
AvastSvcyHA/AvastSvc.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
AvastSvcyHA/wsc.dll
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
AvastSvcyHA/wsc.dll
Resource
win10v2004-20220901-en
General
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Target
AvastSvcyHA/AvastAuth.dat
-
Size
160KB
-
MD5
03a75e4fd64e9b46d0dfff2589d27822
-
SHA1
099199fe7bf4e7245e44e9a977178348a37a4f61
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SHA256
5eaaf8ac2d358c2d7065884b7994638fee3987f02474e54467f14b010a18d028
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SHA512
0d85b7e220a359a75555ebd929396b73417ebff8d8f713b4053c9ebc99b51325e507220efbca8afa259dc18d6f09fc3f036bfe3190ff1225153db037932a7de1
-
SSDEEP
3072:1o6dVZjvZPKwu+rYA/cpZq1lQoRZv1tcZMIIDHIfztOgz01:66do+L/sI5wZMmtY
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 2 IoCs
Processes:
cmd.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
OpenWith.exepid process 5076 OpenWith.exe