Analysis
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max time kernel
9s -
max time network
47s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03/12/2020, 18:27
Static task
static1
Behavioral task
behavioral1
Sample
update.bin.exe
Resource
win10v20201028
Behavioral task
behavioral2
Sample
update.bin.exe
Resource
win10v20201028
Behavioral task
behavioral3
Sample
update.bin.exe
Resource
win10v20201028
General
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Target
update.bin.exe
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Size
660KB
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MD5
765f831922fabc13d4f4ad53d0e2c061
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SHA1
9d5bd9c8682e342c5f11d84047ed012fada6a8c6
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SHA256
1618a3156b7e95edf26ae91df6c0b047917dee3cd484e96d9a4b0e3d7f310d48
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SHA512
3e1f82b0fc03f08d093c0520719f7c628e1a691fbd448dcd6384b523dc23c9178a5f9ce749803e357dfc62840a3d4866074d191feb2dcb2b3a80a0a2a99342d6
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Vidar log file 1 IoCs
Detects a log file produced by Vidar.
yara_rule vidar_log_file -
Reads user/profile data of local email clients 2 TTPs
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 ip-api.com -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 update.bin.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString update.bin.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1020 update.bin.exe 1020 update.bin.exe 1020 update.bin.exe 1020 update.bin.exe 1020 update.bin.exe 1020 update.bin.exe 1020 update.bin.exe 1020 update.bin.exe