General
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Target
K98766700.exe
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Size
589KB
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Sample
241213-jtdlgsvjbm
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MD5
e39c7cf026df55a909a7e18eea93b027
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SHA1
1a41eb5df90bcc53c0a80ce38fa99747de6eb237
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SHA256
b862fbe92f3de0e033b66e3c9d3afad4d6ff41d8b3553094f66a98db6ba59f0c
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SHA512
711c3fddc4aaa37afa6f1c11ff426edfe19ebfae6d955abd23699887d9cf5f31038c2812ac526190d3c7d4fa7a094117be45d75acc6b16fd80c1d13d2eb426f6
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SSDEEP
12288:zVAf8axZKrGhdYzjLKUxlyQs6U2+8sq6hcBy+QjnHYyFhqaX3ub:GZKrudYzjL/xp95b6RbCaX3ub
Static task
static1
Behavioral task
behavioral1
Sample
K98766700.exe
Resource
win7-20240708-en
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.antoniomayol.com:21 - Port:
21 - Username:
[email protected] - Password:
cMhKDQUk1{;%
Targets
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Target
K98766700.exe
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Size
589KB
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MD5
e39c7cf026df55a909a7e18eea93b027
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SHA1
1a41eb5df90bcc53c0a80ce38fa99747de6eb237
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SHA256
b862fbe92f3de0e033b66e3c9d3afad4d6ff41d8b3553094f66a98db6ba59f0c
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SHA512
711c3fddc4aaa37afa6f1c11ff426edfe19ebfae6d955abd23699887d9cf5f31038c2812ac526190d3c7d4fa7a094117be45d75acc6b16fd80c1d13d2eb426f6
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SSDEEP
12288:zVAf8axZKrGhdYzjLKUxlyQs6U2+8sq6hcBy+QjnHYyFhqaX3ub:GZKrudYzjL/xp95b6RbCaX3ub
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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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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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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
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
4Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1