Analysis
- max time kernel
138s - max time network
138s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:21
General
- Target Swift docs.exe
- Size 755KB
- Sample201109-kvsppkhzvj
- SHA256 eceaeb5dd1fdf321efcf6c4e33706e025408deaa74ece9fb0e4e145901513cf2
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
SHarps@11
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
SHarps@11
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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift docs.exe"C:\Users\Admin\AppData\Local\Temp\Swift docs.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Swift docs.exe"C:\Users\Admin\AppData\Local\Temp\Swift docs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3148-6-0x00000000739F0000-0x00000000740DE000-memory.dmp
memory/3148-14-0x0000000005EB0000-0x0000000005EB1000-memory.dmp
memory/3148-2-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/3148-3-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/3148-4-0x0000000000A00000-0x0000000000A52000-memory.dmp
memory/3148-5-0x0000000002402000-0x0000000002403000-memory.dmp
memory/3148-10-0x0000000002850000-0x0000000002851000-memory.dmp
memory/3148-0-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/3148-11-0x0000000004A20000-0x0000000004A21000-memory.dmp
memory/3148-12-0x00000000054C0000-0x00000000054C1000-memory.dmp
memory/3148-15-0x0000000005F80000-0x0000000005F81000-memory.dmp
memory/3148-9-0x0000000004AD0000-0x0000000004AD1000-memory.dmp