Analysis
- max time kernel
144s - max time network
138s - platform
windows7_x64 - resource
win7 - submitted
08/10/2020, 14:06
General
- Target DHL Shipment document AWB 2375690032178_PDF.exe
- Size 535KB
- Sample201008-cncntrhcex
- SHA256 223c38be022bf37ef243556438ecd472ae67bbb46fcf0e7ce4ea3173260141e9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Omega123$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 3 IoCs
- 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 use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Shipment document AWB 2375690032178_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment document AWB 2375690032178_PDF.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1044-5-0x0000000000580000-0x0000000000596000-memory.dmp
memory/1044-0-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/1044-3-0x0000000000330000-0x0000000000367000-memory.dmp
memory/1044-1-0x0000000000830000-0x0000000000831000-memory.dmp
memory/1884-11-0x0000000000090000-0x00000000000CC000-memory.dmp
memory/1884-12-0x0000000000090000-0x00000000000CC000-memory.dmp
memory/1884-14-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/1884-15-0x0000000000090000-0x0000000000092000-memory.dmp