Analysis
- max time kernel
132s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
25/02/2021, 14:12
General
- Target u4nCZtpsbeihgbe.exe
- Size 744KB
- Sample210225-age73tgr16
- SHA256 926c237123af4acecbbbde443fea178a40983df81beb3e06c656c59684bf370c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.indiaflanges.com
-
Port
587
-
Username
-
Password
dvdxq;nx{(MV5@m
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\u4nCZtpsbeihgbe.exe"C:\Users\Admin\AppData\Local\Temp\u4nCZtpsbeihgbe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u4nCZtpsbeihgbe.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1032-11-0x00000000087C0000-0x0000000008845000-memory.dmp
memory/1032-3-0x00000000008D0000-0x00000000008D1000-memory.dmp
memory/1032-6-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/1032-7-0x0000000005410000-0x0000000005411000-memory.dmp
memory/1032-8-0x00000000051C0000-0x00000000051C1000-memory.dmp
memory/1032-9-0x00000000087A0000-0x00000000087AB000-memory.dmp
memory/1032-5-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/1032-10-0x0000000008850000-0x0000000008851000-memory.dmp
memory/1032-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp
memory/3164-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3164-15-0x0000000073EE0000-0x00000000745CE000-memory.dmp
memory/3164-20-0x0000000005740000-0x0000000005741000-memory.dmp
memory/3164-21-0x0000000005BA0000-0x0000000005BA1000-memory.dmp
memory/3164-22-0x0000000006470000-0x0000000006471000-memory.dmp
memory/3164-25-0x0000000005741000-0x0000000005742000-memory.dmp