General
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Target
Remittance Wire.zip
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Size
636KB
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Sample
230505-lw7y8ahc79
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MD5
3e5c11eb7fc9a39d8141521d67dcfa1f
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SHA1
e78ab130df7eac714ca6a57358cbcd627b5c43f1
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SHA256
fdb613bc7b3513e40264ad2bebe7eb17c2960fdf3a525912d714553014b1e5be
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SHA512
b16b1944d51552e32d0dfc0fba11e1ebc698e8d711d001220979dca1232096bf079a31681970a7b63ccf6d1aa3bb4cadc93957040fc5847d860190b53e014159
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SSDEEP
12288:ggnHmJyQ+626af2K2tiBRZq3cX6mp1xsvxaUefk2rl4E:PGoajbtik37S1xDE2H
Static task
static1
Behavioral task
behavioral1
Sample
Remittance Wire.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Remittance Wire.exe
Resource
win10v2004-20230221-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bulktz.com.ng - Port:
587 - Username:
[email protected] - Password:
rd)51MaI%k]E - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
mail.bulktz.com.ng - Port:
587 - Username:
[email protected] - Password:
rd)51MaI%k]E
Targets
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Target
Remittance Wire.exe
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Size
853KB
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MD5
8a7b236a850f5dc04d4115cdd406e1cb
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SHA1
2bc3ac6668d8b2efa04137cdf65fdb5f52790b31
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SHA256
251ca0215e976403d529fba60bd67ca614a3e6b18a7f2420c64acbf31400ed7c
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SHA512
ca9c9e1bae651fa7217e722aa26abf1810be124192dfa0eae9eb91623a271911150fdd8ffc74ee13bb23d562db30a7976959320b7f2499d2ff8f603cd5b17a89
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SSDEEP
12288:5hsK11KJaz28qRJsLKy+erFIur6YRrxK/NaAe7R0BZo0O:5xPKJ7RJ0KjoFInOrxJxQnO
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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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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Suspicious use of SetThreadContext
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