Analysis
- max time kernel
127s - max time network
37s - platform
windows7_x64 - resource
win7v200430 - submitted
24/06/2020, 13:38
General
- Target f777eb0be639a387e4ba90e518e636f6.exe
- Size 738KB
- Sample200624-zcf2ebecne
- SHA256 864cf44c41eaf87e34e55bcfc4329ac2aedab4ec6badc8beeb6decc89ffeeaee
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.spamora.net
-
Port
587
-
Username
-
Password
Emotion1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f777eb0be639a387e4ba90e518e636f6.exe"C:\Users\Admin\AppData\Local\Temp\f777eb0be639a387e4ba90e518e636f6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\f777eb0be639a387e4ba90e518e636f6.exe"C:\Users\Admin\AppData\Local\Temp\f777eb0be639a387e4ba90e518e636f6.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/360-0-0x0000000000400000-0x00000000004A9000-memory.dmp
memory/360-2-0x0000000000400000-0x00000000004A9000-memory.dmp
memory/360-3-0x0000000000400000-0x00000000004A9000-memory.dmp
memory/360-4-0x00000000002D0000-0x000000000031E000-memory.dmp
memory/360-5-0x0000000002022000-0x0000000002023000-memory.dmp
memory/360-6-0x0000000000220000-0x0000000000269000-memory.dmp