Analysis
- max time kernel
146s - max time network
44s - platform
windows7_x64 - resource
win7v20210410 - submitted
31/07/2021, 08:14
General
- Target PO-72YN6TSHmsdBF76.exe
- Size 736KB
- Sample210731-kshkse1p96
- SHA256 5cc8c8e81ebe07e57ff61c75a204988a04071da991cf85a5bf85ddca60597fcf
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.barigarabia.com
-
Port
587
-
Username
-
Password
ZdexWDrMLSb=
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
- 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 behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-72YN6TSHmsdBF76.exe"C:\Users\Admin\AppData\Local\Temp\PO-72YN6TSHmsdBF76.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO-72YN6TSHmsdBF76.exe"C:\Users\Admin\AppData\Local\Temp\PO-72YN6TSHmsdBF76.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1016-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1016-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1016-69-0x0000000004960000-0x0000000004961000-memory.dmp
memory/1016-70-0x0000000004961000-0x0000000004962000-memory.dmp
memory/1652-59-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/1652-61-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
memory/1652-62-0x0000000000350000-0x000000000035B000-memory.dmp
memory/1652-63-0x0000000007EE0000-0x0000000007F7C000-memory.dmp
memory/1652-64-0x00000000005E0000-0x0000000000617000-memory.dmp