Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
08/04/2024, 00:10
General
- Target a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe
- Size 621KB
- Sample240408-agetcaah69
- SHA256 a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.funworld.co.id
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Port
587
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Username
-
Password
fwp123mail
Extracted
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agenttesla
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Protocol
smtp
-
Host
mail.funworld.co.id
-
Port
587
-
Username
-
Password
fwp123mail
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- 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.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe"C:\Users\Admin\AppData\Local\Temp\a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.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\Roaming\brXmxeLTyGhdwb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\brXmxeLTyGhdwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5F46.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe"C:\Users\Admin\AppData\Local\Temp\a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe"C:\Users\Admin\AppData\Local\Temp\a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563.exe.log
__PSScriptPolicyTest_ujzfxhvj.u1t.ps1
tmp5F46.tmp
memory/452-71-0x0000000075200000-0x00000000759B0000-memory.dmp
memory/452-28-0x0000000005330000-0x0000000005340000-memory.dmp
memory/452-21-0x0000000000400000-0x0000000000440000-memory.dmp
memory/452-24-0x0000000075200000-0x00000000759B0000-memory.dmp
memory/452-70-0x0000000006230000-0x0000000006280000-memory.dmp
memory/3260-5-0x0000000005020000-0x000000000502A000-memory.dmp
memory/3260-9-0x00000000060B0000-0x0000000006132000-memory.dmp
memory/3260-10-0x00000000075B0000-0x000000000764C000-memory.dmp
memory/3260-8-0x0000000006050000-0x000000000605C000-memory.dmp
memory/3260-7-0x0000000006040000-0x0000000006048000-memory.dmp
memory/3260-6-0x00000000051D0000-0x00000000051E4000-memory.dmp
memory/3260-0-0x00000000003E0000-0x0000000000480000-memory.dmp
memory/3260-4-0x0000000004E20000-0x0000000004E30000-memory.dmp
memory/3260-3-0x0000000004E80000-0x0000000004F12000-memory.dmp
memory/3260-2-0x0000000005390000-0x0000000005934000-memory.dmp
memory/3260-1-0x0000000075200000-0x00000000759B0000-memory.dmp
memory/3260-25-0x0000000075200000-0x00000000759B0000-memory.dmp
memory/3616-29-0x0000000005820000-0x0000000005886000-memory.dmp
memory/3616-55-0x0000000002540000-0x0000000002550000-memory.dmp
memory/3616-20-0x0000000004F60000-0x0000000005588000-memory.dmp
memory/3616-27-0x0000000005700000-0x0000000005766000-memory.dmp
memory/3616-18-0x0000000002540000-0x0000000002550000-memory.dmp
memory/3616-19-0x0000000002540000-0x0000000002550000-memory.dmp
memory/3616-39-0x0000000005890000-0x0000000005BE4000-memory.dmp
memory/3616-40-0x0000000005E70000-0x0000000005E8E000-memory.dmp
memory/3616-41-0x0000000005EA0000-0x0000000005EEC000-memory.dmp
memory/3616-43-0x0000000006450000-0x0000000006482000-memory.dmp
memory/3616-42-0x000000007F650000-0x000000007F660000-memory.dmp
memory/3616-44-0x0000000070E80000-0x0000000070ECC000-memory.dmp
memory/3616-54-0x0000000002540000-0x0000000002550000-memory.dmp
memory/3616-26-0x0000000004EB0000-0x0000000004ED2000-memory.dmp
memory/3616-56-0x0000000007040000-0x000000000705E000-memory.dmp
memory/3616-57-0x0000000007070000-0x0000000007113000-memory.dmp
memory/3616-59-0x00000000071B0000-0x00000000071CA000-memory.dmp
memory/3616-58-0x00000000077F0000-0x0000000007E6A000-memory.dmp
memory/3616-60-0x0000000007220000-0x000000000722A000-memory.dmp
memory/3616-61-0x0000000007430000-0x00000000074C6000-memory.dmp
memory/3616-62-0x00000000073B0000-0x00000000073C1000-memory.dmp
memory/3616-63-0x00000000073E0000-0x00000000073EE000-memory.dmp
memory/3616-64-0x00000000073F0000-0x0000000007404000-memory.dmp
memory/3616-65-0x00000000074F0000-0x000000000750A000-memory.dmp
memory/3616-66-0x00000000074D0000-0x00000000074D8000-memory.dmp
memory/3616-69-0x0000000075200000-0x00000000759B0000-memory.dmp
memory/3616-16-0x0000000075200000-0x00000000759B0000-memory.dmp
memory/3616-15-0x00000000048F0000-0x0000000004926000-memory.dmp