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General
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Target
409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
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Size
998KB
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Sample
240612-bqltpaxenj
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MD5
7641b5e9a95918508f0acecc8739efc4
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SHA1
f6a6a343af6aaa323c8eb3d578a709d0c30a9819
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SHA256
409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21
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SHA512
9092420d8de2fa38bebea8566652bb004b80390a0c638f705f1e15275d4651b521f9f3c2a9c1ef4b80991509cc5782dfd160bde79e1d2ad767895ba13aa0872c
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SSDEEP
24576:XAjH3DIlB5pwpW5EMg+F9/BG0d2ZtDeUmaXYC9XDoCqbl:wP4ipmg+F9/Bl27dYgXcl
Static task
static1
Behavioral task
behavioral1
Sample
409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
Resource
win10v2004-20240611-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.estampar.com.br - Port:
587 - Username:
[email protected] - Password:
fHd@4AxQSHIS - Email To:
[email protected]
Extracted
Protocol: smtp- Host:
mail.estampar.com.br - Port:
587 - Username:
[email protected] - Password:
fHd@4AxQSHIS
Targets
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Target
409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21.exe
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Size
998KB
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MD5
7641b5e9a95918508f0acecc8739efc4
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SHA1
f6a6a343af6aaa323c8eb3d578a709d0c30a9819
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SHA256
409b216bb2d2747140b1a05b5cbc9fc8ff21bd1dbe6635a67d1d71a69a92da21
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SHA512
9092420d8de2fa38bebea8566652bb004b80390a0c638f705f1e15275d4651b521f9f3c2a9c1ef4b80991509cc5782dfd160bde79e1d2ad767895ba13aa0872c
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SSDEEP
24576:XAjH3DIlB5pwpW5EMg+F9/BG0d2ZtDeUmaXYC9XDoCqbl:wP4ipmg+F9/Bl27dYgXcl
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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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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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
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1