Analysis
- max time kernel
143s - max time network
21s - platform
windows7_x64 - resource
win7v200722 - submitted
14/08/2020, 09:53
General
- Target SKM_C3350191107102300.exe
- Size 521KB
- Sample200814-e76nz5zkms
- SHA256 1631bd051bd9ef096e2cd29bba5c549e8b4028dc9de457c2bd5ee060c69a7e6a
Score
10/10
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 7 IoCs
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kmlyxHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB3F3.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SKM_C3350191107102300.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1772-3-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1772-5-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1772-6-0x0000000000400000-0x0000000000458000-memory.dmp