Analysis
- max time kernel
120s - max time network
113s - platform
windows10_x64 - resource
win10 - submitted
14/10/2020, 14:47
General
- Target 455acb29d3223b12d434c016427c1c64.exe
- Size 73KB
- Sample201014-mq5al52y9e
- SHA256 c1fa48c0b9c81541dc2ba39db3fc1c410f6231e8df9aa69c02bdd1c8549b453a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.visiontel.co
-
Port
587
-
Username
-
Password
VisionTel@GM001
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 NtSetInformationThreadHideFromDebugger 13 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 18 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\455acb29d3223b12d434c016427c1c64.exe"C:\Users\Admin\AppData\Local\Temp\455acb29d3223b12d434c016427c1c64.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 42⤵
- Delays execution with timeout.exe
-
-
C:\Users\Admin\AppData\Local\Temp\455acb29d3223b12d434c016427c1c64.exe"C:\Users\Admin\AppData\Local\Temp\455acb29d3223b12d434c016427c1c64.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 17202⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1772-17-0x0000000005070000-0x0000000005071000-memory.dmp
memory/1772-20-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/1772-19-0x0000000005FD0000-0x0000000005FD1000-memory.dmp
memory/1772-18-0x0000000005C00000-0x0000000005C01000-memory.dmp
memory/1772-7-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1772-9-0x0000000073B10000-0x00000000741FE000-memory.dmp
memory/2156-16-0x00000000050A0000-0x00000000050A1000-memory.dmp
memory/2156-13-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/2156-15-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
memory/2212-3-0x0000000005680000-0x0000000005681000-memory.dmp
memory/2212-0-0x0000000073B10000-0x00000000741FE000-memory.dmp
memory/2212-6-0x0000000006750000-0x0000000006751000-memory.dmp
memory/2212-5-0x0000000006190000-0x00000000061DA000-memory.dmp
memory/2212-1-0x0000000000E10000-0x0000000000E11000-memory.dmp