Analysis
- max time kernel
140s - max time network
143s - platform
windows10_x64 - resource
win10 - submitted
12/08/2020, 14:33
General
- Target 11.exe
- Size 644KB
- Sample200812-cbvel37fz6
- SHA256 e93ac650630bc4b2eab3909ddd47aaa87fec1fc013657039a5c2c1e15fc5d2a2
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.umgservicios.com
-
Port
587
-
Username
-
Password
hOZ6c6%@I6bRL$0u
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- UPX packed file 6 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 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\11.exe"C:\Users\Admin\AppData\Local\Temp\11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\11.exe"C:\Users\Admin\AppData\Local\Temp\11.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3836-0-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3836-2-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3836-3-0x0000000000400000-0x00000000004A4000-memory.dmp
memory/3836-4-0x00000000021A0000-0x00000000021EC000-memory.dmp
memory/3836-5-0x0000000002222000-0x0000000002223000-memory.dmp
memory/3836-6-0x0000000073A90000-0x000000007417E000-memory.dmp
memory/3836-9-0x00000000047A0000-0x00000000047A1000-memory.dmp
memory/3836-10-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
memory/3836-11-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/3836-12-0x0000000005420000-0x0000000005421000-memory.dmp
memory/3836-13-0x0000000005D30000-0x0000000005D31000-memory.dmp
memory/3836-14-0x0000000005E00000-0x0000000005E01000-memory.dmp