Analysis
- max time kernel
142s - max time network
153s - platform
windows10_x64 - resource
win10 - submitted
27/10/2020, 12:55
General
- Target funds 1.exe
- Size 684KB
- Sample201027-8dnhdwthfs
- SHA256 3944c8a551e1b51be2f29adf187b63497c7dab93f88755bc086f4e7fc30a759d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.mphahlelemrattorneys.com
-
Port
587
-
Username
-
Password
Maselaelo@&97
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.
- 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 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\funds 1.exe"C:\Users\Admin\AppData\Local\Temp\funds 1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\funds 1.exe"C:\Users\Admin\AppData\Local\Temp\funds 1.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1156-6-0x00000000022A2000-0x00000000022A3000-memory.dmp
memory/1156-14-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/1156-3-0x0000000000400000-0x0000000000485000-memory.dmp
memory/1156-4-0x0000000000400000-0x0000000000485000-memory.dmp
memory/1156-5-0x0000000002150000-0x000000000218C000-memory.dmp
memory/1156-10-0x00000000048D0000-0x00000000048D1000-memory.dmp
memory/1156-15-0x00000000056B0000-0x00000000056B1000-memory.dmp
memory/1156-1-0x0000000000400000-0x0000000000485000-memory.dmp
memory/1156-11-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
memory/1156-12-0x00000000048A0000-0x00000000048A1000-memory.dmp
memory/1156-13-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/1156-7-0x0000000072E70000-0x000000007355E000-memory.dmp
memory/3848-0-0x0000000000400000-0x00000000004B2000-memory.dmp