Analysis
- max time kernel
93s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
14/06/2024, 01:21
General
- Target PO-93846383838364833648383/PO-93846383838364833648383.exe
- Size 1.5MB
- Sample240614-bq19datbqn
- SHA256 b2fe5db5a98a2649d5fe93126e699a7dbe156a4f99bf449c51a6027ac8065a5b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
siammkd.info
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Port
587
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Username
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Password
Emotion22
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.
- Windows security modification 2 TTPs 3 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-93846383838364833648383\PO-93846383838364833648383.exe"C:\Users\Admin\AppData\Local\Temp\PO-93846383838364833648383\PO-93846383838364833648383.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-93846383838364833648383\PO-93846383838364833648383.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 19603⤵
- Program crash
-
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3348 -ip 33481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_jzize1jo.f3a.ps1
memory/412-21-0x00007FFD79250000-0x00007FFD79D11000-memory.dmp
memory/412-16-0x00007FFD79250000-0x00007FFD79D11000-memory.dmp
memory/412-15-0x00007FFD79250000-0x00007FFD79D11000-memory.dmp
memory/412-4-0x00007FFD79250000-0x00007FFD79D11000-memory.dmp
memory/412-14-0x000001E213BB0000-0x000001E213BD2000-memory.dmp
memory/1532-3-0x00000183EE610000-0x00000183EE6A4000-memory.dmp
memory/1532-0-0x00007FFD79253000-0x00007FFD79255000-memory.dmp
memory/1532-2-0x00007FFD79250000-0x00007FFD79D11000-memory.dmp
memory/1532-1-0x00000183EC140000-0x00000183EC166000-memory.dmp
memory/1532-23-0x00007FFD79250000-0x00007FFD79D11000-memory.dmp
memory/3348-17-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3348-18-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/3348-22-0x0000000005530000-0x0000000005596000-memory.dmp