Analysis
- max time kernel
113s - max time network
116s - platform
windows10_x64 - resource
win10v200722 - submitted
13/08/2020, 10:30
General
- Target 12.exe
- Size 766KB
- Sample200813-w4e2875lm6
- SHA256 1bd93700a531aae4de84fe51c2a59e4c0beb22e35c3dacb34281833f378eb28c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.umgservicios.com
-
Port
587
-
Username
-
Password
hOZ6c6%@I6bRL$0u
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\12.exe"C:\Users\Admin\AppData\Local\Temp\12.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\12.exe"C:\Users\Admin\AppData\Local\Temp\12.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3720-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3720-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3720-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3720-4-0x0000000002170000-0x00000000021BC000-memory.dmp
memory/3720-5-0x0000000000702000-0x0000000000703000-memory.dmp
memory/3720-6-0x0000000073860000-0x0000000073F4E000-memory.dmp
memory/3720-9-0x00000000048C0000-0x00000000048C1000-memory.dmp
memory/3720-10-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
memory/3720-11-0x0000000005410000-0x0000000005411000-memory.dmp
memory/3720-12-0x0000000005430000-0x0000000005431000-memory.dmp
memory/3720-13-0x0000000005D70000-0x0000000005D71000-memory.dmp
memory/3720-14-0x0000000005E10000-0x0000000005E11000-memory.dmp