Analysis
- max time kernel
8s - max time network
20s - platform
windows7_x64 - resource
win7v200722 - submitted
16/09/2020, 17:56
General
- Target 259bc090bc0869af4808e185c8c3996b.exe
- Size 822KB
- Sample200916-95e69eb3pe
- SHA256 2d49a640dbde3258ef60f5e04b847b1cf9d446703f79e07e6c8fa2ca7a87548d
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 6 IoCs
- UPX packed file 6 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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\259bc090bc0869af4808e185c8c3996b.exe"C:\Users\Admin\AppData\Local\Temp\259bc090bc0869af4808e185c8c3996b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\259bc090bc0869af4808e185c8c3996b.exe"C:\Users\Admin\AppData\Local\Temp\259bc090bc0869af4808e185c8c3996b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1620-0-0x0000000000400000-0x00000000004D4000-memory.dmp
memory/1824-1-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1824-3-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1824-4-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1824-5-0x00000000004E0000-0x0000000000546000-memory.dmp
memory/1824-6-0x0000000001F92000-0x0000000001F93000-memory.dmp
memory/1824-7-0x0000000000220000-0x0000000000280000-memory.dmp