General
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Target
documents.exe
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Size
791KB
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Sample
220520-1thc4shdhn
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MD5
425d7d79e7b8a6b79890453f242f830b
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SHA1
b1dbeb640fd5853906014f923bd10ab82832c717
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SHA256
6a0cdf63baad32236d845d0027822d4e9c67ac4f9bddd9933ada09f9811dbca5
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SHA512
51c93e7b771c09f9a1bdaaf0191598eb5a95b6cac49e2bd2ab34d613e6607dc8a6d85537494d382c85d16778298e3f25d60652542795f9158e506a4519e1ba05
Static task
static1
Behavioral task
behavioral1
Sample
documents.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
documents.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
Protocol: smtp- Host:
mail.subnet-group.com - Port:
587 - Username:
[email protected] - Password:
cr0cksh1t
Extracted
agenttesla
Protocol: smtp- Host:
mail.subnet-group.com - Port:
587 - Username:
[email protected] - Password:
cr0cksh1t - Email To:
[email protected]
Targets
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Target
documents.exe
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Size
791KB
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MD5
425d7d79e7b8a6b79890453f242f830b
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SHA1
b1dbeb640fd5853906014f923bd10ab82832c717
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SHA256
6a0cdf63baad32236d845d0027822d4e9c67ac4f9bddd9933ada09f9811dbca5
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SHA512
51c93e7b771c09f9a1bdaaf0191598eb5a95b6cac49e2bd2ab34d613e6607dc8a6d85537494d382c85d16778298e3f25d60652542795f9158e506a4519e1ba05
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
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Drops file in Drivers directory
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Suspicious use of SetThreadContext
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