General
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Target
e8cb59eb6467e18f07012693880614e85867d1bf19449d64da75de80338654a5
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Size
1.7MB
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Sample
250109-brfdasvjdq
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MD5
9091d550f7b9f77815e4ff83881a7447
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SHA1
5ad66e47924d2d4d9cc136bbbfac15474ed3ece9
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SHA256
e8cb59eb6467e18f07012693880614e85867d1bf19449d64da75de80338654a5
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SHA512
3b02d962560158da631ea6dfff34951bf82db42138bac406412d483f3042ba161a203688874b051ee520bd425b6e9be0e053c00ec260b887241d1606da7671c1
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SSDEEP
24576:C8Vyk2acyB/PCTz+s3r54xvEGklY6Zj+Ww66htUA2jycJHOpG2lEYYg47qI9KUef:vdcUHC3Avy5A66hmXHOpIY47qI9rC
Static task
static1
Behavioral task
behavioral1
Sample
e8cb59eb6467e18f07012693880614e85867d1bf19449d64da75de80338654a5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e8cb59eb6467e18f07012693880614e85867d1bf19449d64da75de80338654a5.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
alibaba.com
Targets
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Target
e8cb59eb6467e18f07012693880614e85867d1bf19449d64da75de80338654a5
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Size
1.7MB
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MD5
9091d550f7b9f77815e4ff83881a7447
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SHA1
5ad66e47924d2d4d9cc136bbbfac15474ed3ece9
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SHA256
e8cb59eb6467e18f07012693880614e85867d1bf19449d64da75de80338654a5
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SHA512
3b02d962560158da631ea6dfff34951bf82db42138bac406412d483f3042ba161a203688874b051ee520bd425b6e9be0e053c00ec260b887241d1606da7671c1
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SSDEEP
24576:C8Vyk2acyB/PCTz+s3r54xvEGklY6Zj+Ww66htUA2jycJHOpG2lEYYg47qI9KUef:vdcUHC3Avy5A66hmXHOpIY47qI9rC
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Turns off Windows Defender SpyNet reporting
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AgentTesla payload
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Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
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Looks for VirtualBox Guest Additions in registry
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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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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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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
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Access Token Manipulation
1Create Process with Token
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Access Token Manipulation
1Create Process with Token
1Impair Defenses
6Disable or Modify Tools
5Modify Registry
7Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2