Analysis
- max time kernel
132s - max time network
138s - platform
windows7_x64 - resource
win7 - submitted
05/10/2020, 11:12
General
- Target ce76e25ac5c9b3f431829b0c7e79f2f6.exe
- Size 847KB
- Sample201005-ryf3sgflxn
- SHA256 4c2e0930bdf8d7e4f74a6b005ce1a1fdf1fe3a77ea4b1b88d7ec4ec4d9d9655e
Malware Config
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.
- 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\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.exe"C:\Users\Admin\AppData\Local\Temp\ce76e25ac5c9b3f431829b0c7e79f2f6.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/608-0-0x0000000000400000-0x00000000004DA000-memory.dmp
memory/1312-1-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1312-3-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1312-4-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1312-5-0x00000000004E0000-0x0000000000546000-memory.dmp
memory/1312-6-0x0000000001F32000-0x0000000001F33000-memory.dmp
memory/1312-7-0x0000000000220000-0x0000000000280000-memory.dmp