Analysis
- max time kernel
60s - max time network
30s - platform
windows7_x64 - resource
win7 - submitted
23/07/2020, 04:50
General
- Target SWIFT.exe
- Size 902KB
- Sample200723-m8q5pmxqvj
- SHA256 21bbb34d06861d6eb75ca3baecf8b4eb8a04f5d4236285987cda14a656768577
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 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.
- 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\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/1068-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/1068-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/1068-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/1068-4-0x00000000004B0000-0x00000000004FC000-memory.dmp
memory/1068-5-0x0000000000252000-0x0000000000253000-memory.dmp
memory/1068-6-0x0000000000270000-0x00000000002B6000-memory.dmp