Analysis
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max time kernel
181s -
max time network
187s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 08:25
Behavioral task
behavioral1
Sample
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
Resource
win10v2004-20221111-en
General
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Target
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
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Size
54KB
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MD5
cb681471d17ce04724e7157737f0e1d5
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SHA1
378ca09b47bea02d51bae7e7e000c792f8fc59c0
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SHA256
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a
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SHA512
683aab6c30e7f65e381e5afeb780a3d2de1e1cf66d2f2fb026983c481d76e2183962194b7cfa4a40d5bee093034390f1cdc28c4d37da57469538442d441f6908
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SSDEEP
1536:EAK/Eg7V/tYsadOXWCYRkcXUIAUtBuFJV:7kEgp/tYs3XWCYRjXZ5tBC
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/764-132-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral2/memory/764-133-0x0000000000400000-0x0000000000423000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\10-1-2-118 = "c:\\program files\\Webdialer\\3ac94418b6325a35b7cc01beedd08 -m" 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 2 IoCs
Processes:
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exedescription ioc process File created \??\c:\program files\Webdialer\3ac94418b6325a35b7cc01beedd08 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe File opened for modification \??\c:\program files\Webdialer\3ac94418b6325a35b7cc01beedd08 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: LoadsDriver 6 IoCs
Processes:
pid 4 4 4 4 4 652 -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exepid process 764 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exepid process 764 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe"C:\Users\Admin\AppData\Local\Temp\3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe"1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:764