Analysis
- max time kernel
125s - max time network
115s - platform
windows10_x64 - resource
win10v20201028 - submitted
03/02/2021, 06:23
General
- Target EN 10204.3.2-NACE-MR0175 fittings.exe
- Size 709KB
- Sample210203-gh99lfwsqa
- SHA256 d720d5e55684cbf894809d5963e95d6613af588bfaeb0ecfa6001beb533d0232
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
Qwerty2020@@$@6
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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\EN 10204.3.2-NACE-MR0175 fittings.exe"C:\Users\Admin\AppData\Local\Temp\EN 10204.3.2-NACE-MR0175 fittings.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\EN 10204.3.2-NACE-MR0175 fittings.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1376-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1376-25-0x0000000005281000-0x0000000005282000-memory.dmp
memory/1376-22-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
memory/1376-21-0x0000000005310000-0x0000000005311000-memory.dmp
memory/1376-20-0x0000000005280000-0x0000000005281000-memory.dmp
memory/1376-15-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3884-7-0x00000000054A0000-0x00000000054A1000-memory.dmp
memory/3884-11-0x0000000008B70000-0x0000000008B71000-memory.dmp
memory/3884-10-0x0000000008A40000-0x0000000008ACB000-memory.dmp
memory/3884-9-0x00000000056F0000-0x00000000056F4000-memory.dmp
memory/3884-8-0x0000000005710000-0x0000000005711000-memory.dmp
memory/3884-2-0x0000000073A20000-0x000000007410E000-memory.dmp
memory/3884-6-0x00000000054F0000-0x00000000054F1000-memory.dmp
memory/3884-5-0x00000000059F0000-0x00000000059F1000-memory.dmp
memory/3884-3-0x0000000000BB0000-0x0000000000BB1000-memory.dmp