General
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Target
2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209
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Size
2.0MB
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Sample
210127-hlbfb963q6
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MD5
e5b5fde8d8579dca685c942019b10ea1
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SHA1
1c33a8d5d1775777f45793e5e97d408fe055b13f
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SHA256
2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209
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SHA512
cb3643c8e54cd2adad6090f6f9d24ae7e4979580aa02c0c9f96640297c95e0cf315198043560103b14e082f5cc3d399931de1b4bc51c4f24297af26a1a024319
Static task
static1
Behavioral task
behavioral1
Sample
2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209.exe
Resource
win10v20201028
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1430527829:AAEVOge50SoiKIG8DObypzFsov8W5H9ybDc/sendDocument
Targets
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Target
2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209
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Size
2.0MB
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MD5
e5b5fde8d8579dca685c942019b10ea1
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SHA1
1c33a8d5d1775777f45793e5e97d408fe055b13f
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SHA256
2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209
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SHA512
cb3643c8e54cd2adad6090f6f9d24ae7e4979580aa02c0c9f96640297c95e0cf315198043560103b14e082f5cc3d399931de1b4bc51c4f24297af26a1a024319
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Modifies WinLogon for persistence
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AgentTesla Payload
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Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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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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Adds Run key to start application
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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