General
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Target
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
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Size
609KB
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Sample
240425-t6gh1scg78
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MD5
4ac88ef7fe497d568f8c0256627f4f28
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SHA1
ed66aadb1b165388e5a132f43874f385db546379
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SHA256
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf
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SHA512
b20a18998275e42a27aa56ff0318e2a119b00a5ffee04898e42c25524ee4abf1e68952c97236d4ecafdd143a9912d87f15e463ea3e62ac1bc028e9bbac54fbab
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SSDEEP
12288:IxbVNv5uSru57PQFztYF2vLRHQ36D78MmeOZWczK3rlHxsKIy:IxRV5Lru57YF+iQe8MdM0JOy
Static task
static1
Behavioral task
behavioral1
Sample
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101*
Extracted
agenttesla
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101* - Email To:
[email protected]
Targets
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Target
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf.exe
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Size
609KB
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MD5
4ac88ef7fe497d568f8c0256627f4f28
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SHA1
ed66aadb1b165388e5a132f43874f385db546379
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SHA256
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf
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SHA512
b20a18998275e42a27aa56ff0318e2a119b00a5ffee04898e42c25524ee4abf1e68952c97236d4ecafdd143a9912d87f15e463ea3e62ac1bc028e9bbac54fbab
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SSDEEP
12288:IxbVNv5uSru57PQFztYF2vLRHQ36D78MmeOZWczK3rlHxsKIy:IxRV5Lru57YF+iQe8MdM0JOy
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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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 SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2