Analysis
- max time kernel
24s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:01
General
- Target 3c4a6a16a5d8679e83400b100265e0513f5993e513d5f17c875976b09cd1bf25.exe
- Size 717KB
- Sample240607-bdjhssfh29
- SHA256 3c4a6a16a5d8679e83400b100265e0513f5993e513d5f17c875976b09cd1bf25
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.tajhiz-gostaran.com
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Port
587
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Username
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Password
Ohv@dRNG{N^grViQHl
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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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 17 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3c4a6a16a5d8679e83400b100265e0513f5993e513d5f17c875976b09cd1bf25.exe"C:\Users\Admin\AppData\Local\Temp\3c4a6a16a5d8679e83400b100265e0513f5993e513d5f17c875976b09cd1bf25.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\3c4a6a16a5d8679e83400b100265e0513f5993e513d5f17c875976b09cd1bf25.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\TbRQjVqQYK.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\TbRQjVqQYK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF0C.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- 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_g03fo02o.hf4.ps1
tmpAF0C.tmp
memory/1468-4-0x0000000004C60000-0x0000000004C6A000-memory.dmp
memory/1468-14-0x0000000074BCE000-0x0000000074BCF000-memory.dmp
memory/1468-6-0x0000000004EE0000-0x0000000004EF6000-memory.dmp
memory/1468-7-0x0000000004F10000-0x0000000004F1E000-memory.dmp
memory/1468-8-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/1468-9-0x0000000005EF0000-0x0000000005F72000-memory.dmp
memory/1468-10-0x0000000009CA0000-0x0000000009D3C000-memory.dmp
memory/1468-5-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1468-3-0x0000000004AA0000-0x0000000004B32000-memory.dmp
memory/1468-17-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1468-2-0x0000000005110000-0x00000000056B4000-memory.dmp
memory/1468-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp
memory/1468-40-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1468-1-0x0000000000020000-0x00000000000D4000-memory.dmp
memory/1852-76-0x00000000077A0000-0x0000000007E1A000-memory.dmp
memory/1852-83-0x0000000007390000-0x00000000073A4000-memory.dmp
memory/1852-16-0x00000000048A0000-0x00000000048D6000-memory.dmp
memory/1852-29-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/1852-23-0x0000000004F60000-0x0000000004F82000-memory.dmp
memory/1852-18-0x0000000004FA0000-0x00000000055C8000-memory.dmp
memory/1852-88-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1852-39-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1852-31-0x0000000005850000-0x0000000005BA4000-memory.dmp
memory/1852-19-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1852-21-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/1852-51-0x0000000005E30000-0x0000000005E4E000-memory.dmp
memory/1852-52-0x0000000005EC0000-0x0000000005F0C000-memory.dmp
memory/1852-82-0x0000000007380000-0x000000000738E000-memory.dmp
memory/1852-60-0x0000000071290000-0x00000000712DC000-memory.dmp
memory/1852-28-0x00000000056C0000-0x0000000005726000-memory.dmp
memory/1852-80-0x00000000073D0000-0x0000000007466000-memory.dmp
memory/1852-78-0x00000000071C0000-0x00000000071CA000-memory.dmp
memory/1852-77-0x0000000007150000-0x000000000716A000-memory.dmp
memory/4752-54-0x0000000071290000-0x00000000712DC000-memory.dmp
memory/4752-71-0x0000000006FE0000-0x0000000007083000-memory.dmp
memory/4752-53-0x0000000006380000-0x00000000063B2000-memory.dmp
memory/4752-81-0x00000000072D0000-0x00000000072E1000-memory.dmp
memory/4752-65-0x0000000006340000-0x000000000635E000-memory.dmp
memory/4752-41-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4752-84-0x0000000007410000-0x000000000742A000-memory.dmp
memory/4752-85-0x00000000073F0000-0x00000000073F8000-memory.dmp
memory/4752-33-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4752-93-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4752-30-0x0000000074BC0000-0x0000000075370000-memory.dmp
memory/4820-89-0x0000000005950000-0x00000000059A0000-memory.dmp
memory/4820-32-0x0000000000400000-0x0000000000442000-memory.dmp