Analysis
- max time kernel
141s - max time network
146s - platform
windows10_x64 - resource
win10v200722 - submitted
18/08/2020, 13:05
General
- Target vbc.exe
- Size 382KB
- Sample200818-yech7jssjs
- SHA256 2d37d614507a6d513d85edfa6c65a721b44740b1480b34df76f5debd64bbd73c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.insergejk.com
-
Port
587
-
Username
-
Password
42010892
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/408-0-0x0000000073670000-0x0000000073D5E000-memory.dmp
memory/408-1-0x0000000000C90000-0x0000000000C91000-memory.dmp
memory/408-3-0x0000000005D90000-0x0000000005D91000-memory.dmp
memory/408-4-0x0000000005690000-0x0000000005691000-memory.dmp
memory/408-5-0x0000000005670000-0x0000000005671000-memory.dmp
memory/408-6-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
memory/408-7-0x0000000006B70000-0x0000000006B71000-memory.dmp
memory/408-8-0x0000000006640000-0x0000000006641000-memory.dmp