Analysis
- max time kernel
137s - max time network
138s - platform
windows7_x64 - resource
win7-en - submitted
07/09/2021, 13:29
General
- Target 8c4b4ab56eb5d879334e5f92ed70ecc3.exe
- Size 973KB
- Sample210907-qq9cbafhdm
- SHA256 754c0def2ef6fcbf705b92c229feb91568e902ed2c557bc4eb13878d07bd718b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.ccsp-india.com
-
Port
587
-
Username
-
Password
Lkp$CcsP1008
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 1 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\8c4b4ab56eb5d879334e5f92ed70ecc3.exe"C:\Users\Admin\AppData\Local\Temp\8c4b4ab56eb5d879334e5f92ed70ecc3.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
Loading Replay Monitor...
Downloads
memory/1052-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1052-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1052-65-0x0000000000D80000-0x0000000000D81000-memory.dmp
memory/1052-66-0x0000000000D81000-0x0000000000D82000-memory.dmp
memory/1640-56-0x0000000000430000-0x000000000043A000-memory.dmp
memory/1640-58-0x0000000004D11000-0x0000000004D12000-memory.dmp
memory/1640-52-0x0000000000970000-0x0000000000971000-memory.dmp
memory/1640-55-0x00000000003A0000-0x00000000003C4000-memory.dmp
memory/1640-54-0x0000000004D10000-0x0000000004D11000-memory.dmp