General
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Target
4e759849412063c6590936671ce4aa0e.exe
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Size
7.6MB
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Sample
201128-na772gae2e
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MD5
4e759849412063c6590936671ce4aa0e
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SHA1
40d132516cc4b9aa00dca2b2f068c439cf8f59c3
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SHA256
7a79f0c95e891b939e275fa19e641b676f2eb70471945fb3b15d6a649cafe071
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SHA512
636f2e0049eab66d31a07446dbd9a747931c2ee8954b9878a7133c783e530eeba7b45060ad3bcf2f7e70c96fac4b680650c6c501aabb48cdfe98457535297e91
Static task
static1
Behavioral task
behavioral1
Sample
4e759849412063c6590936671ce4aa0e.exe
Resource
win7v20201028
Malware Config
Extracted
smokeloader
2020
http://naritouzina.net/
http://nukaraguasleep.net/
http://notfortuaj.net/
http://natuturalistic.net/
http://zaniolofusa.net/
Targets
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Target
4e759849412063c6590936671ce4aa0e.exe
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Size
7.6MB
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MD5
4e759849412063c6590936671ce4aa0e
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SHA1
40d132516cc4b9aa00dca2b2f068c439cf8f59c3
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SHA256
7a79f0c95e891b939e275fa19e641b676f2eb70471945fb3b15d6a649cafe071
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SHA512
636f2e0049eab66d31a07446dbd9a747931c2ee8954b9878a7133c783e530eeba7b45060ad3bcf2f7e70c96fac4b680650c6c501aabb48cdfe98457535297e91
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ServiceHost packer
Detects ServiceHost packer used for .NET malware
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Executes dropped EXE
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Loads dropped DLL
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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JavaScript code in executable
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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