Analysis
- max time kernel
132s - max time network
139s - platform
windows7_x64 - resource
win7 - submitted
15/09/2020, 13:41
General
- Target Payment Advice Note.exe
- Size 697KB
- Sample200915-4cvx3hl1da
- SHA256 a921089f3327d511043c7feffed9985bfb3a7ca5ee43e0724c344ad8cb63fbf5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
Blessing123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1448-0-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1864-1-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1864-3-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1864-4-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1864-5-0x00000000002A0000-0x00000000002DC000-memory.dmp
memory/1864-6-0x00000000005F2000-0x00000000005F3000-memory.dmp
memory/1864-7-0x0000000000220000-0x0000000000256000-memory.dmp