Analysis
- max time kernel
149s - max time network
153s - platform
windows10_x64 - resource
win10 - submitted
20/10/2020, 08:19
General
- Target INQUIRY.exe
- Size 494KB
- Sample201020-6kfbbbed2e
- SHA256 fee4980a1f01ebd4ba05ec27d0d03f7083e2b3cbc959e34d5f238865637f9e7e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.macdernnid.com
-
Port
587
-
Username
-
Password
kaka1234@1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"{path}"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/1636-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1636-18-0x0000000006490000-0x0000000006491000-memory.dmp
memory/1636-17-0x0000000003470000-0x0000000003471000-memory.dmp
memory/1636-12-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/3828-4-0x0000000005380000-0x0000000005381000-memory.dmp
memory/3828-8-0x00000000077C0000-0x0000000007824000-memory.dmp
memory/3828-7-0x0000000005DF0000-0x0000000005E06000-memory.dmp
memory/3828-6-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/3828-5-0x00000000054E0000-0x00000000054E1000-memory.dmp
memory/3828-0-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/3828-3-0x0000000005780000-0x0000000005781000-memory.dmp
memory/3828-1-0x0000000000AC0000-0x0000000000AC1000-memory.dmp