Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/06/2024, 01:04
General
- Target 20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe
- Size 765KB
- Sample240608-beydcaeg6w
- SHA256 20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot7014760942:AAGauyw4ihK7ZZ_AG7zmm8a-SOhkdT71dI0/
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.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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).
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe"C:\Users\Admin\AppData\Local\Temp\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.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\cRlKCfSmH.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cRlKCfSmH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB22.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe"C:\Users\Admin\AppData\Local\Temp\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe"C:\Users\Admin\AppData\Local\Temp\20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
20e6a5998e80acec0518982bc9a93c4288aa1615cccab5fca23156280f5793a0.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_q4jyulfc.qjh.ps1
tmpBB22.tmp
memory/232-8-0x0000000005C30000-0x0000000005C40000-memory.dmp
memory/232-6-0x0000000005AB0000-0x0000000005B4C000-memory.dmp
memory/232-7-0x0000000005E10000-0x0000000005E28000-memory.dmp
memory/232-5-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/232-9-0x00000000082D0000-0x0000000008356000-memory.dmp
memory/232-48-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/232-4-0x0000000005870000-0x000000000587A000-memory.dmp
memory/232-0-0x000000007481E000-0x000000007481F000-memory.dmp
memory/232-3-0x00000000057A0000-0x0000000005832000-memory.dmp
memory/232-2-0x0000000005E40000-0x00000000063E4000-memory.dmp
memory/232-1-0x0000000000D00000-0x0000000000DC4000-memory.dmp
memory/1564-22-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/1564-88-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/1564-18-0x0000000004F90000-0x0000000004FB2000-memory.dmp
memory/1564-77-0x00000000074F0000-0x0000000007586000-memory.dmp
memory/1564-30-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/1564-29-0x00000000059A0000-0x0000000005CF4000-memory.dmp
memory/1564-20-0x0000000005830000-0x0000000005896000-memory.dmp
memory/1564-44-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/1564-81-0x00000000075B0000-0x00000000075CA000-memory.dmp
memory/1564-19-0x0000000005030000-0x0000000005096000-memory.dmp
memory/1564-63-0x00000000071B0000-0x0000000007253000-memory.dmp
memory/1564-49-0x0000000005F50000-0x0000000005F6E000-memory.dmp
memory/1564-50-0x0000000006500000-0x000000000654C000-memory.dmp
memory/1564-51-0x0000000006590000-0x00000000065C2000-memory.dmp
memory/1564-62-0x00000000064B0000-0x00000000064CE000-memory.dmp
memory/1564-52-0x00000000750C0000-0x000000007510C000-memory.dmp
memory/3484-90-0x0000000006B20000-0x0000000006B70000-memory.dmp
memory/3484-45-0x0000000000400000-0x0000000000444000-memory.dmp
memory/3936-15-0x00000000059D0000-0x0000000005FF8000-memory.dmp
memory/3936-74-0x00000000081F0000-0x000000000886A000-memory.dmp
memory/3936-76-0x0000000007C20000-0x0000000007C2A000-memory.dmp
memory/3936-75-0x0000000007BB0000-0x0000000007BCA000-memory.dmp
memory/3936-78-0x0000000007DB0000-0x0000000007DC1000-memory.dmp
memory/3936-79-0x0000000007DE0000-0x0000000007DEE000-memory.dmp
memory/3936-80-0x0000000007DF0000-0x0000000007E04000-memory.dmp
memory/3936-64-0x00000000750C0000-0x000000007510C000-memory.dmp
memory/3936-82-0x0000000007ED0000-0x0000000007ED8000-memory.dmp
memory/3936-21-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/3936-17-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/3936-89-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/3936-16-0x0000000074810000-0x0000000074FC0000-memory.dmp
memory/3936-14-0x00000000052C0000-0x00000000052F6000-memory.dmp