Analysis
- max time kernel
140s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
18/05/2024, 08:21
General
- Target 2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f.exe
- Size 722KB
- Sample240518-j83txsbe23
- SHA256 2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ddisibjmyxncuflp
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ddisibjmyxncuflp
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f.exe"C:\Users\Admin\AppData\Local\Temp\2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2940a8fe07543e73573471f46229165e5aa84bf7b42ac60004ab22c916aaff8f.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GiUtiFdvQaRzSX.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GiUtiFdvQaRzSX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp737A.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_t5djvslj.pwq.ps1
tmp737A.tmp
memory/1752-8-0x0000000004F40000-0x0000000004F50000-memory.dmp
memory/1752-5-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1752-6-0x0000000005960000-0x0000000005982000-memory.dmp
memory/1752-7-0x0000000005980000-0x000000000598C000-memory.dmp
memory/1752-4-0x00000000055B0000-0x00000000055BA000-memory.dmp
memory/1752-9-0x0000000006AF0000-0x0000000006B72000-memory.dmp
memory/1752-10-0x000000000B6D0000-0x000000000B76C000-memory.dmp
memory/1752-3-0x00000000055D0000-0x0000000005662000-memory.dmp
memory/1752-47-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1752-2-0x0000000005B80000-0x0000000006124000-memory.dmp
memory/1752-1-0x0000000000B00000-0x0000000000BBA000-memory.dmp
memory/1752-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/3832-82-0x00000000075D0000-0x00000000075D8000-memory.dmp
memory/3832-73-0x00000000078F0000-0x0000000007F6A000-memory.dmp
memory/3832-22-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3832-74-0x00000000072B0000-0x00000000072CA000-memory.dmp
memory/3832-50-0x0000000007130000-0x0000000007162000-memory.dmp
memory/3832-25-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3832-75-0x0000000007320000-0x000000000732A000-memory.dmp
memory/3832-51-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/3832-62-0x0000000006560000-0x000000000657E000-memory.dmp
memory/3832-88-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3832-48-0x0000000005F60000-0x0000000005F7E000-memory.dmp
memory/3832-49-0x0000000006020000-0x000000000606C000-memory.dmp
memory/3856-26-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3856-78-0x00000000065A0000-0x00000000065F0000-memory.dmp
memory/4772-77-0x0000000007AF0000-0x0000000007B01000-memory.dmp
memory/4772-79-0x0000000007B20000-0x0000000007B2E000-memory.dmp
memory/4772-24-0x0000000005620000-0x0000000005686000-memory.dmp
memory/4772-21-0x0000000005510000-0x0000000005532000-memory.dmp
memory/4772-23-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/4772-19-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/4772-76-0x0000000007B70000-0x0000000007C06000-memory.dmp
memory/4772-60-0x0000000075180000-0x00000000751CC000-memory.dmp
memory/4772-27-0x0000000005F70000-0x00000000062C4000-memory.dmp
memory/4772-80-0x0000000007B30000-0x0000000007B44000-memory.dmp
memory/4772-72-0x00000000075D0000-0x0000000007673000-memory.dmp
memory/4772-81-0x0000000007C30000-0x0000000007C4A000-memory.dmp
memory/4772-18-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/4772-17-0x00000000056D0000-0x0000000005CF8000-memory.dmp
memory/4772-89-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/4772-16-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/4772-15-0x0000000005000000-0x0000000005036000-memory.dmp