Analysis
- max time kernel
150s - max time network
122s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/12/2020, 11:43
General
- Target vbc.exe
- Size 874KB
- Sample201202-r6kdv2hcfa
- SHA256 ac84fce48dc5fc0ece582c6cd8f5486d044f48f2923e949d27c5ea44cb0a80a0
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.andms-kr.com
-
Port
587
-
Username
-
Password
kingwipper123
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.
- Uses the VBS compiler for execution 1 TTPs
- 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\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3176-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3176-24-0x00000000064F0000-0x00000000064F1000-memory.dmp
memory/3176-23-0x0000000005C50000-0x0000000005C51000-memory.dmp
memory/3176-18-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/4684-7-0x0000000005470000-0x0000000005471000-memory.dmp
memory/4684-10-0x0000000026850000-0x0000000046838000-memory.dmp
memory/4684-11-0x0000000005890000-0x00000000058E7000-memory.dmp
memory/4684-12-0x0000000005550000-0x0000000005558000-memory.dmp
memory/4684-14-0x0000000005930000-0x0000000005969000-memory.dmp
memory/4684-9-0x0000000005570000-0x0000000005571000-memory.dmp
memory/4684-8-0x0000000002D40000-0x0000000002D41000-memory.dmp
memory/4684-2-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/4684-6-0x0000000005970000-0x0000000005971000-memory.dmp
memory/4684-5-0x00000000052B0000-0x00000000052B1000-memory.dmp
memory/4684-3-0x00000000009B0000-0x00000000009B1000-memory.dmp