General
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Target
Invoice.exe
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Size
787KB
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Sample
220520-3a9z5agef9
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MD5
c2a0577aead47c20d54918758c471247
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SHA1
ffc6087cc7e098e74bd5efb3f6971342d5c1f12b
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SHA256
0918c0111b97f8a25e9717e9b74a96c85e9f3801e2922bb050e8024edf9adff0
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SHA512
1024c14e1fe279887e80b2f4d4b4423ef943bf6355f762b3a24cd6964e2350e77a2e0c43c0478a37fe46a8253f5866e4793dfd7225066e716e6165d623b4c84a
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Invoice.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
Invoice.exe
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Size
787KB
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MD5
c2a0577aead47c20d54918758c471247
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SHA1
ffc6087cc7e098e74bd5efb3f6971342d5c1f12b
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SHA256
0918c0111b97f8a25e9717e9b74a96c85e9f3801e2922bb050e8024edf9adff0
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SHA512
1024c14e1fe279887e80b2f4d4b4423ef943bf6355f762b3a24cd6964e2350e77a2e0c43c0478a37fe46a8253f5866e4793dfd7225066e716e6165d623b4c84a
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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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