Analysis
- max time kernel
146s - max time network
126s - platform
windows7_x64 - resource
win7v20210410 - submitted
02/08/2021, 05:28
General
- Target Enquiry -V885670.exe
- Size 1.3MB
- Sample210802-y12pc1659e
- SHA256 d8baf0ec4f2782448fe40cdc0ea07ebf0f8e7a592b696e2dccc93bf2c533f726
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
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Password
OGOM123456@@
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gHKViwYjJwx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAFD.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"C:\Users\Admin\AppData\Local\Temp\Enquiry -V885670.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1040-60-0x0000000000200000-0x0000000000201000-memory.dmp
memory/1040-62-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
memory/1040-63-0x0000000000360000-0x000000000036D000-memory.dmp
memory/1040-64-0x00000000091E0000-0x000000000927C000-memory.dmp
memory/1040-65-0x00000000009E0000-0x0000000000A18000-memory.dmp
memory/1464-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1464-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1464-72-0x0000000004950000-0x0000000004951000-memory.dmp
memory/1464-73-0x0000000004951000-0x0000000004952000-memory.dmp