General
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Target
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1.exe
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Size
661KB
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Sample
240619-bhpwdavfkn
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MD5
c90b8187b8db56562cb03af9d67e61d5
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SHA1
0f688b5d1f4d7b024ca0d9a306ffcb273b2fe1df
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SHA256
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1
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SHA512
ca943e78deead0c9a954a6eb20ded223e9408b3a457957e56b73c4432aaf06b072a269c8c1bc00d43a4aabe1578f0b18147f074f719239447313ca7db4b05bd1
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SSDEEP
12288:0FIsPADvFgvHqtIjdX6UsXvXkkywZCujmt28pip7txWjekR:WIKA2vHcIJFsXvXkkxZCIk286tG
Static task
static1
Behavioral task
behavioral1
Sample
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1.exe
Resource
win10v2004-20240611-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.naubahar.com - Port:
587 - Username:
[email protected] - Password:
Hum$885+Nn - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
mail.naubahar.com - Port:
587 - Username:
[email protected] - Password:
Hum$885+Nn
Targets
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Target
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1.exe
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Size
661KB
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MD5
c90b8187b8db56562cb03af9d67e61d5
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SHA1
0f688b5d1f4d7b024ca0d9a306ffcb273b2fe1df
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SHA256
1b68fe4f599f20aa70efb528ec45495683877193869eb95cd77119bcac096cd1
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SHA512
ca943e78deead0c9a954a6eb20ded223e9408b3a457957e56b73c4432aaf06b072a269c8c1bc00d43a4aabe1578f0b18147f074f719239447313ca7db4b05bd1
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SSDEEP
12288:0FIsPADvFgvHqtIjdX6UsXvXkkywZCujmt28pip7txWjekR:WIKA2vHcIJFsXvXkkxZCIk286tG
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects executables packed with SmartAssembly
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1