Analysis
- max time kernel
61s - max time network
104s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:53
General
- Target 5eb1e5736946afa6bc32eec4dfbfd2b8.exe
- Size 381KB
- Sample201109-tpzgsbeevn
- SHA256 b32bd036eb089b2516e634ee08070a159b4ee7eeac0968d7af8a110c417f684f
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
mail.privateemail.com
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Port
587
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Username
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Password
!9aT1sz8?9SqN
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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). Likely ransomware behaviour.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5eb1e5736946afa6bc32eec4dfbfd2b8.exe"C:\Users\Admin\AppData\Local\Temp\5eb1e5736946afa6bc32eec4dfbfd2b8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fEoFOPiEu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp698D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\5eb1e5736946afa6bc32eec4dfbfd2b8.exe"C:\Users\Admin\AppData\Local\Temp\5eb1e5736946afa6bc32eec4dfbfd2b8.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/976-13-0x0000000073A80000-0x000000007416E000-memory.dmp
memory/976-22-0x0000000006A90000-0x0000000006A91000-memory.dmp
memory/976-19-0x00000000062A0000-0x00000000062A1000-memory.dmp
memory/976-18-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/976-10-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1144-7-0x0000000004DA0000-0x0000000004DF3000-memory.dmp
memory/1144-3-0x0000000004F40000-0x0000000004F41000-memory.dmp
memory/1144-1-0x0000000000150000-0x0000000000151000-memory.dmp
memory/1144-0-0x0000000073A80000-0x000000007416E000-memory.dmp
memory/1144-4-0x0000000004A40000-0x0000000004A41000-memory.dmp
memory/1144-6-0x0000000004990000-0x0000000004992000-memory.dmp
memory/1144-5-0x0000000004AE0000-0x0000000004AE1000-memory.dmp