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General
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Target
Especificación Cotización_DOC6467.exe
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Size
1.2MB
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Sample
230830-he8yeaac22
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MD5
39c65129bc2e871b8a7d09a31ceebb4b
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SHA1
022d2c610c09c1b76626f1f7a0fdc6f199f94ffe
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SHA256
0eb744ee1a95301432e7b9af6a3e4e67b18a02cb55baccf9c1a88b6aee906545
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SHA512
f64125f54ebd085c3d204a20f14422be764a179dd9dc2fb5da8c021256282ec032bc6291bcf7f43ccb6e2609d2db90ff354b5203b19d3e381167446a42584d55
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SSDEEP
24576:NTbBv5rUanfOOyeXEfqGOGleTM4WBGa6mXcqIAXiDFWmhHpa81yB:HBjf4rfqFVpLAXicQHg80
Static task
static1
Behavioral task
behavioral1
Sample
Especificación Cotización_DOC6467.exe
Resource
win7-20230712-en
Malware Config
Extracted
Protocol: smtp- Host:
mqils.com - Port:
587 - Username:
[email protected] - Password:
+PT}MwwP2un&
Extracted
agenttesla
Protocol: smtp- Host:
mqils.com - Port:
587 - Username:
[email protected] - Password:
+PT}MwwP2un& - Email To:
[email protected]
Targets
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Target
Especificación Cotización_DOC6467.exe
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Size
1.2MB
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MD5
39c65129bc2e871b8a7d09a31ceebb4b
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SHA1
022d2c610c09c1b76626f1f7a0fdc6f199f94ffe
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SHA256
0eb744ee1a95301432e7b9af6a3e4e67b18a02cb55baccf9c1a88b6aee906545
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SHA512
f64125f54ebd085c3d204a20f14422be764a179dd9dc2fb5da8c021256282ec032bc6291bcf7f43ccb6e2609d2db90ff354b5203b19d3e381167446a42584d55
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SSDEEP
24576:NTbBv5rUanfOOyeXEfqGOGleTM4WBGa6mXcqIAXiDFWmhHpa81yB:HBjf4rfqFVpLAXicQHg80
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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Loads dropped DLL
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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