Analysis
- max time kernel
146s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
10/06/2024, 01:06
General
- Target 5186efdfdceb4fa893f40ac77d48ea439cf222d52637b6e8387053906234d536.exe
- Size 553KB
- Sample240610-bf4xhsae43
- SHA256 5186efdfdceb4fa893f40ac77d48ea439cf222d52637b6e8387053906234d536
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.sunlacn.com
-
Port
587
-
Username
-
Password
#_57J#lnfgQs
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5186efdfdceb4fa893f40ac77d48ea439cf222d52637b6e8387053906234d536.exe"C:\Users\Admin\AppData\Local\Temp\5186efdfdceb4fa893f40ac77d48ea439cf222d52637b6e8387053906234d536.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\5186efdfdceb4fa893f40ac77d48ea439cf222d52637b6e8387053906234d536.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\OCFgeyqT.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\OCFgeyqT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC06D.tmp"2⤵
- Creates scheduled task(s)
-
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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\OCFgeyqT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_fo1fuvne.kgh.ps1
tmpC06D.tmp
memory/2880-8-0x00000000055F0000-0x00000000055FC000-memory.dmp
memory/2880-11-0x0000000000DA0000-0x0000000000E22000-memory.dmp
memory/2880-6-0x0000000005190000-0x00000000051E6000-memory.dmp
memory/2880-5-0x0000000005080000-0x000000000508A000-memory.dmp
memory/2880-4-0x00000000050F0000-0x0000000005182000-memory.dmp
memory/2880-9-0x00000000752BE000-0x00000000752BF000-memory.dmp
memory/2880-10-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/2880-7-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/2880-12-0x0000000000E60000-0x0000000000EA4000-memory.dmp
memory/2880-3-0x0000000005600000-0x0000000005BA4000-memory.dmp
memory/2880-2-0x0000000004FB0000-0x000000000504C000-memory.dmp
memory/2880-49-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/2880-1-0x0000000000550000-0x00000000005E0000-memory.dmp
memory/2880-0-0x00000000752BE000-0x00000000752BF000-memory.dmp
memory/3268-24-0x0000000004970000-0x0000000004992000-memory.dmp
memory/3268-99-0x0000000006F90000-0x0000000006F9E000-memory.dmp
memory/3268-27-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/3268-26-0x0000000004C30000-0x0000000004C96000-memory.dmp
memory/3268-25-0x0000000004B10000-0x0000000004B76000-memory.dmp
memory/3268-111-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/3268-101-0x00000000070A0000-0x00000000070BA000-memory.dmp
memory/3268-100-0x0000000006FA0000-0x0000000006FB4000-memory.dmp
memory/3268-22-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/3268-73-0x0000000006A70000-0x0000000006B13000-memory.dmp
memory/3268-59-0x0000000005A20000-0x0000000005A3E000-memory.dmp
memory/3268-97-0x0000000006FE0000-0x0000000007076000-memory.dmp
memory/3268-62-0x0000000075B60000-0x0000000075BAC000-memory.dmp
memory/3268-61-0x0000000006A30000-0x0000000006A62000-memory.dmp
memory/3268-72-0x0000000006000000-0x000000000601E000-memory.dmp
memory/4312-84-0x0000000075B60000-0x0000000075BAC000-memory.dmp
memory/4312-94-0x0000000007ED0000-0x000000000854A000-memory.dmp
memory/4536-28-0x0000000006360000-0x00000000066B4000-memory.dmp
memory/4536-18-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/4536-74-0x0000000075B60000-0x0000000075BAC000-memory.dmp
memory/4536-96-0x0000000007CC0000-0x0000000007CCA000-memory.dmp
memory/4536-60-0x0000000006EE0000-0x0000000006F2C000-memory.dmp
memory/4536-98-0x0000000007E50000-0x0000000007E61000-memory.dmp
memory/4536-20-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/4536-21-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/4536-19-0x0000000005A90000-0x00000000060B8000-memory.dmp
memory/4536-102-0x0000000007F70000-0x0000000007F78000-memory.dmp
memory/4536-95-0x0000000007C50000-0x0000000007C6A000-memory.dmp
memory/4536-17-0x0000000005370000-0x00000000053A6000-memory.dmp
memory/4536-110-0x00000000752B0000-0x0000000075A60000-memory.dmp
memory/4628-47-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4628-112-0x0000000005360000-0x0000000005378000-memory.dmp