General
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Target
FickerStealer.exe
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Size
307KB
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Sample
210128-8g5r5m8pj2
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MD5
1c213dbc2e5f8646d4c30586b7bcb3d8
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SHA1
7a7c24e9bde5666de8763232d9ffa012fe9d18cd
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SHA256
90929f4e6bd28d6a197fef323930502ac1a3dcc9de8d4dba02dc6702fd570e14
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SHA512
e4b5bf282c771e1ce7152fabd5a44ecd094d5a6b0a61c26d0e25f9df15b55a6efaeaeca6a4f52a84d8d5859b6d3d2e8f15280f619edbc7c5ac4321d2359067da
Static task
static1
Behavioral task
behavioral1
Sample
FickerStealer.exe
Resource
win7v20201028
Malware Config
Targets
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Target
FickerStealer.exe
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Size
307KB
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MD5
1c213dbc2e5f8646d4c30586b7bcb3d8
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SHA1
7a7c24e9bde5666de8763232d9ffa012fe9d18cd
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SHA256
90929f4e6bd28d6a197fef323930502ac1a3dcc9de8d4dba02dc6702fd570e14
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SHA512
e4b5bf282c771e1ce7152fabd5a44ecd094d5a6b0a61c26d0e25f9df15b55a6efaeaeca6a4f52a84d8d5859b6d3d2e8f15280f619edbc7c5ac4321d2359067da
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Modifies security service
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Executes dropped EXE
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Modifies Windows Firewall
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Drops startup file
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Loads dropped DLL
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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JavaScript code in executable
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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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Uses Tor communications
Malware can proxy its traffic through Tor for more anonymity.
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Enumerates physical storage devices
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetThreadContext
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