General
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Target
b96eb3960b1743f8506ea7c22aa77c5565f19a83449e402e77f72ece5bc2f9ac.zip
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Size
779KB
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Sample
240429-b3dc3see39
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MD5
a704da9eb4b75368336e41160ce62d5d
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SHA1
873714dc8cbba89492739ddf440130c41c529381
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SHA256
b96eb3960b1743f8506ea7c22aa77c5565f19a83449e402e77f72ece5bc2f9ac
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SHA512
e6e11adb0cf10490f7f5b7cbd0aa0ab9ed604c01c7979efb3a3256b9da693cd54bb3524d9af37e12d04115ea775efa6ecb0e6c93321a35d71e70927a54a01c3b
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SSDEEP
12288:O7GLANISLgRgkvzqPYtzstbLkDS5uxsg8KgKH203ZBzJDHPJzxAGIrwfrWI2:O7KoZQzqjbwNxD/gSJzVGGtrF2
Static task
static1
Behavioral task
behavioral1
Sample
SOA FEB to MAR 2024.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SOA FEB to MAR 2024.exe
Resource
win10v2004-20240419-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sibasultrasonics.com - Port:
587 - Username:
[email protected] - Password:
wxQ@kr-2OL,{ - Email To:
[email protected]
Targets
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Target
SOA FEB to MAR 2024.exe
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Size
836KB
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MD5
28e8f4098b5d13326674b51aab58d055
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SHA1
6635fa0024bfebfe5bd67e3c0cce5452e3c9b684
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SHA256
d5bc04d04a04dc446c372f8f793f18c0cb8d45ba1ae5a817f4314a177fc8d7cc
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SHA512
41669163544ed0e5164b1af023b3a2e7c16f32e5e5e6ee68b252dae172c3e574eda8e082ceab5709a63ba279063b904ba8f3fc519fd247ccb4253db3cf7ffb36
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SSDEEP
12288:CZqnHvjNIrpf9rN/mc/CFvzstbLM2XS3uxsM6AgKH2e3ZFzJnbP93xE6DlI50Xze:C0PjKr5BNDHbzDx3VgYJjh2OlLze
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1