Analysis
- max time kernel
105s - max time network
106s - platform
windows7_x64 - resource
win7v20201028 - submitted
16/12/2020, 08:08
General
- Target d793effbc21fd5e9124e5d6769c90291.exe
- Size 2.5MB
- Sample201216-2efaz4pmw2
- SHA256 1438338262db388d53a3618eacfe7ace5f6c1884bd4465b3a1bf548c5cdb42e5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.sardaplywood.com
-
Port
587
-
Username
-
Password
sup123st45
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d793effbc21fd5e9124e5d6769c90291.exe"C:\Users\Admin\AppData\Local\Temp\d793effbc21fd5e9124e5d6769c90291.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d793effbc21fd5e9124e5d6769c90291.exe"C:\Users\Admin\AppData\Local\Temp\d793effbc21fd5e9124e5d6769c90291.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/532-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/532-3-0x0000000000C80000-0x0000000000C81000-memory.dmp
memory/532-5-0x0000000000340000-0x000000000037D000-memory.dmp
memory/1324-6-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1324-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1324-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1324-10-0x00000000732D0000-0x00000000739BE000-memory.dmp