Analysis
- max time kernel
133s - max time network
136s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:22
General
- Target Scan copy.exe
- Size 734KB
- Sample201109-vwpjvj756e
- SHA256 a72f9a0317980cebc1acdc4f89b372a09004a4fc7537f80ab0eb52b2fc94746f
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
SHarps@11
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
SHarps@11
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- UPX packed file 3 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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"C:\Users\Admin\AppData\Local\Temp\Scan copy.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\Scan copy.exe"C:\Users\Admin\AppData\Local\Temp\Scan copy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1560-6-0x0000000073010000-0x00000000736FE000-memory.dmp
memory/1560-14-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
memory/1560-2-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/1560-3-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/1560-4-0x0000000002160000-0x00000000021B2000-memory.dmp
memory/1560-5-0x0000000002282000-0x0000000002283000-memory.dmp
memory/1560-10-0x0000000004930000-0x0000000004931000-memory.dmp
memory/1560-0-0x0000000000400000-0x00000000004B1000-memory.dmp
memory/1560-11-0x0000000004A10000-0x0000000004A11000-memory.dmp
memory/1560-12-0x00000000054C0000-0x00000000054C1000-memory.dmp
memory/1560-15-0x0000000005C60000-0x0000000005C61000-memory.dmp
memory/1560-9-0x0000000004AD0000-0x0000000004AD1000-memory.dmp