Analysis
- max time kernel
121s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
01/07/2024, 12:50
General
- Target Remittance advice.exe
- Size 600KB
- Sample240701-p2z3caseld
- SHA256 3c3de54110bc665e6d31e2455372fc489ca5f3be4e0824ca7c0b58802663dbe3
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.rrcindia.co.in
-
Port
587
-
Username
-
Password
Goyal@0783
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- 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).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"1⤵
- 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\Roaming\AqvdhfXeAXeRCC.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\AqvdhfXeAXeRCC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp644F.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmp644F.tmp
memory/2188-26-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2188-1-0x0000000000A30000-0x0000000000ACC000-memory.dmp
memory/2188-2-0x0000000074390000-0x0000000074A7E000-memory.dmp
memory/2188-3-0x0000000004B50000-0x0000000004BE8000-memory.dmp
memory/2188-4-0x00000000003A0000-0x00000000003B0000-memory.dmp
memory/2188-5-0x0000000000450000-0x000000000045C000-memory.dmp
memory/2188-6-0x0000000005040000-0x00000000050C2000-memory.dmp
memory/2188-0-0x000000007439E000-0x000000007439F000-memory.dmp
memory/2324-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2324-24-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2324-23-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2324-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2324-20-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2324-18-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2324-16-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2324-25-0x0000000000400000-0x0000000000440000-memory.dmp