General
- Target 01_file.exe
- Size 1.8MB
- Sample201114-lsqx99ptfx
- SHA256 4c482b22456df2e37106d59a8afeccdeb736ee89b13b3de6968acee2f3ce9f25
- MD5 6c4a9f7c8893254e10bc2217cec26aef
- SHA1 73a0452fbc80e1d7782888e28c46e49d7e01ebd1
- SHA512 0266942220119efe2241b66604c51cf6e077118a4eb4904f8f4a3dbcd59067a325f416fb0dca8ef965e6749aae4e49eb1fb2e159919b6e513e89a599cb775491
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
01_file.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
01_file.exe
Resource
win10v20201028
0 signatures
0 seconds
Malware Config
Extracted
Family
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agenttesla
Credentials
-
Protocol
smtp
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Host
mail.hkcostarn.com
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Port
587
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Username
-
Password
result@123
Targets
-
- Target 01_file.exe
- Size 1.8MB
- SHA256 4c482b22456df2e37106d59a8afeccdeb736ee89b13b3de6968acee2f3ce9f25
- MD5 6c4a9f7c8893254e10bc2217cec26aef
- SHA1 73a0452fbc80e1d7782888e28c46e49d7e01ebd1
- SHA512 0266942220119efe2241b66604c51cf6e077118a4eb4904f8f4a3dbcd59067a325f416fb0dca8ef965e6749aae4e49eb1fb2e159919b6e513e89a599cb775491
- MD5 SHA1 SHA512
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Modifies WinLogon for persistence
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AgentTesla Payload
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Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext