Analysis
- max time kernel
128s - max time network
34s - platform
windows7_x64 - resource
win7v20210410 - submitted
03/06/2021, 08:56
General
- Target urgent po.exe
- Size 595KB
- Sample210603-asfbtlapyj
- SHA256 3a8250e0d2ff4904db22d00a5c18f82bce1b2bcadf1a4d1029ef1c02e5210fbe
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
zyy!OiO2
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- 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\urgent po.exe"C:\Users\Admin\AppData\Local\Temp\urgent po.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\urgent po.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1088-59-0x0000000000FE0000-0x0000000000FE1000-memory.dmp
memory/1088-61-0x0000000000AA0000-0x0000000000AA1000-memory.dmp
memory/1088-62-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/1088-63-0x0000000005620000-0x00000000056A9000-memory.dmp
memory/1088-64-0x0000000005330000-0x0000000005377000-memory.dmp
memory/1656-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1656-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1656-69-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
memory/1656-70-0x0000000000EB1000-0x0000000000EB2000-memory.dmp