Analysis
- max time kernel
134s - max time network
92s - platform
windows10_x64 - resource
win10 - submitted
14/10/2020, 19:41
General
- Target SecuriteInfo.com.BehavesLike.Win32.Generic.jc.10253.exe
- Size 667KB
- Sample201014-2j8x87yp8j
- SHA256 3fdeeff9063421be07d09d4e1af9d7051e036ca556749cd82aaf6335593f7dc9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.cafsrl.com.ar
-
Port
587
-
Username
-
Password
caf123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.10253.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.10253.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.10253.exe"{path}"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/1788-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1788-19-0x0000000005F70000-0x0000000005F71000-memory.dmp
memory/1788-18-0x0000000005400000-0x0000000005401000-memory.dmp
memory/1788-13-0x0000000073870000-0x0000000073F5E000-memory.dmp
memory/2460-4-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/2460-8-0x0000000007B20000-0x0000000007B94000-memory.dmp
memory/2460-9-0x000000000A1A0000-0x000000000A212000-memory.dmp
memory/2460-7-0x0000000007980000-0x0000000007981000-memory.dmp
memory/2460-6-0x0000000005770000-0x0000000005774000-memory.dmp
memory/2460-5-0x0000000002E70000-0x0000000002E71000-memory.dmp
memory/2460-0-0x0000000073870000-0x0000000073F5E000-memory.dmp
memory/2460-3-0x00000000058E0000-0x00000000058E1000-memory.dmp
memory/2460-1-0x00000000009D0000-0x00000000009D1000-memory.dmp