General
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Target
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508.exe
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Size
689KB
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Sample
240904-by1b2stemb
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MD5
6a161ccccb65f9df1da9db2e30407ba6
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SHA1
4006dd425ccaab9319ef16f7df77956b518835bb
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SHA256
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508
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SHA512
928db8496ca2a0e4b36f6faef53ee9703cf63ee4ba3c10ac1a32634b8075936fe5802c26aaeb302e66f559cc9c6a8fb5ebd76ba5011ee1a2ea580d557d3810a6
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SSDEEP
12288:SzjLf30WH03GqQPiwsj7L8pyZvAZqGiZf9Uigfdoq0ZYaFtMpLDtGq3:sjj0yRownp4YZ34uLfH0ZOd5Gq
Static task
static1
Behavioral task
behavioral1
Sample
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Password: )NYyffR0 - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Password: )NYyffR0
Targets
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Target
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508.exe
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Size
689KB
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MD5
6a161ccccb65f9df1da9db2e30407ba6
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SHA1
4006dd425ccaab9319ef16f7df77956b518835bb
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SHA256
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508
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SHA512
928db8496ca2a0e4b36f6faef53ee9703cf63ee4ba3c10ac1a32634b8075936fe5802c26aaeb302e66f559cc9c6a8fb5ebd76ba5011ee1a2ea580d557d3810a6
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SSDEEP
12288:SzjLf30WH03GqQPiwsj7L8pyZvAZqGiZf9Uigfdoq0ZYaFtMpLDtGq3:sjj0yRownp4YZ34uLfH0ZOd5Gq
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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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 Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1