Analysis
- max time kernel
107s - max time network
107s - platform
windows10_x64 - resource
win10v200722 - submitted
02/10/2020, 14:11
General
- Target SWIFT.exe
- Size 681KB
- Sample201002-3l4k6qfclx
- SHA256 a2b6095c45460733b8abddc5568ffc5f3090f9d6e3d2bb435eeaa81dd99a5296
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 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\SWIFT.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1780-1-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1780-3-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1780-4-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1780-5-0x00000000021A0000-0x00000000021DC000-memory.dmp
memory/1780-6-0x0000000000522000-0x0000000000523000-memory.dmp
memory/2888-0-0x0000000000400000-0x00000000004B0000-memory.dmp