Analysis
- max time kernel
102s - max time network
91s - platform
windows10_x64 - resource
win10v200722 - submitted
17/08/2020, 06:33
General
- Target zskio49Y2nji70N.exe
- Size 542KB
- Sample200817-nbervekdne
- SHA256 a91926c898c91c02d44556c60d2ed4289fcdde2e2a03c0fdcc003678aa5d767c
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 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\zskio49Y2nji70N.exe"C:\Users\Admin\AppData\Local\Temp\zskio49Y2nji70N.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\zskio49Y2nji70N.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3056-0-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/3056-1-0x0000000000C40000-0x0000000000C41000-memory.dmp
memory/3056-3-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
memory/3056-4-0x0000000007B50000-0x0000000007B51000-memory.dmp
memory/3056-5-0x0000000007B30000-0x0000000007B31000-memory.dmp
memory/3056-6-0x0000000007DC0000-0x0000000007DC1000-memory.dmp
memory/3056-7-0x0000000007B40000-0x0000000007B44000-memory.dmp
memory/3056-8-0x0000000005020000-0x0000000005089000-memory.dmp
memory/3056-9-0x000000000BCC0000-0x000000000BD21000-memory.dmp
memory/3836-10-0x0000000000400000-0x0000000000466000-memory.dmp
memory/3836-12-0x0000000073FF0000-0x00000000746DE000-memory.dmp
memory/3836-17-0x0000000005680000-0x0000000005681000-memory.dmp
memory/3836-18-0x0000000005B30000-0x0000000005B31000-memory.dmp