General
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Target
3.exe
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Size
1.9MB
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Sample
240618-mlbnpstemj
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MD5
7b4c1ed22b968699059bb4717e2665a7
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SHA1
731e51b1a3d522ea391495271d977e0e4961f203
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SHA256
d72087da88129a3b1bce3505c119cb418f84bd68659eb33385546b9e33dddb4c
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SHA512
d0c89dd0b914991ab2eeb4de48f98c46f14888849bf9a116a902fb497ef2b65725e82f8ac8f465172d147d7a9ec6a0fb9ae829f138e0ec3579a79dee48ec03d7
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SSDEEP
12288:xthPA7R1brgevLbkgpco8BuB+VotGHNq82Qd+Y9J7O+aL229GgPlZqUXJctT:xY7R1YeDogpvB/ktJ2Qd99Q9OsJcx
Static task
static1
Behavioral task
behavioral1
Sample
3.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
3.exe
Resource
win10v2004-20240611-en
Malware Config
Extracted
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Epicoffice@2024
Extracted
agenttesla
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Epicoffice@2024 - Email To:
[email protected]
Targets
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Target
3.exe
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Size
1.9MB
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MD5
7b4c1ed22b968699059bb4717e2665a7
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SHA1
731e51b1a3d522ea391495271d977e0e4961f203
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SHA256
d72087da88129a3b1bce3505c119cb418f84bd68659eb33385546b9e33dddb4c
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SHA512
d0c89dd0b914991ab2eeb4de48f98c46f14888849bf9a116a902fb497ef2b65725e82f8ac8f465172d147d7a9ec6a0fb9ae829f138e0ec3579a79dee48ec03d7
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SSDEEP
12288:xthPA7R1brgevLbkgpco8BuB+VotGHNq82Qd+Y9J7O+aL229GgPlZqUXJctT:xY7R1YeDogpvB/ktJ2Qd99Q9OsJcx
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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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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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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
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
5Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1