General
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Target
gunzipped
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Size
546KB
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Sample
200710-wnz9yc7avs
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MD5
da020d0c54734d21d96efd3b05cafc0b
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SHA1
1ef4a1601984ed3eeffcaa15ecaec7ded28f7ebd
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SHA256
0a8a4c3e09dd9ea5652a1388c395ed0707e6e2c370fa0fa288f71da425022464
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SHA512
233816b405f65db45ef67ddac66e16746d341ebd53c6ab289f5ef19ded128eb82631cf2f6a9593771a71bdf564a2c667b4088cba43524c480ce6ba6ad2c352b9
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
gunzipped.exe
Resource
win10
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.elittacop.com - Port:
587 - Username:
[email protected] - Password:
@eaSYuc8
Targets
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Target
gunzipped
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Size
546KB
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MD5
da020d0c54734d21d96efd3b05cafc0b
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SHA1
1ef4a1601984ed3eeffcaa15ecaec7ded28f7ebd
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SHA256
0a8a4c3e09dd9ea5652a1388c395ed0707e6e2c370fa0fa288f71da425022464
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SHA512
233816b405f65db45ef67ddac66e16746d341ebd53c6ab289f5ef19ded128eb82631cf2f6a9593771a71bdf564a2c667b4088cba43524c480ce6ba6ad2c352b9
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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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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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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