Analysis
- max time kernel
148s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
04/11/2020, 17:30
General
- Target Urgent Supply Request RFQ No.000183 - Delivery Terms Minimum Order Quantity and Possible Lead Time.exe
- Size 970KB
- Sample201104-482ns5wnb6
- SHA256 3b8067fda3a018631e93bcc5e5ab73c56adc91c4964c45c092d42f2cc9acea6e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com.tr
-
Port
587
-
Username
-
Password
Krc2017@Ozg
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.
- 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Urgent Supply Request RFQ No.000183 - Delivery Terms Minimum Order Quantity and Possible Lead Time.exe"C:\Users\Admin\AppData\Local\Temp\Urgent Supply Request RFQ No.000183 - Delivery Terms Minimum Order Quantity and Possible Lead Time.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iYwFyUKrI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F5B.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Urgent Supply Request RFQ No.000183 - Delivery Terms Minimum Order Quantity and Possible Lead Time.exe"{path}"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/1264-21-0x0000000005ED0000-0x0000000005ED1000-memory.dmp
memory/1264-20-0x0000000005370000-0x0000000005371000-memory.dmp
memory/1264-15-0x0000000073970000-0x000000007405E000-memory.dmp
memory/1264-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3336-5-0x0000000005A30000-0x0000000005A31000-memory.dmp
memory/3336-9-0x0000000009A60000-0x0000000009A61000-memory.dmp
memory/3336-8-0x00000000093A0000-0x0000000009453000-memory.dmp
memory/3336-7-0x0000000005E10000-0x0000000005E26000-memory.dmp
memory/3336-6-0x0000000009490000-0x0000000009491000-memory.dmp
memory/3336-0-0x0000000073970000-0x000000007405E000-memory.dmp
memory/3336-4-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/3336-3-0x0000000005EC0000-0x0000000005EC1000-memory.dmp
memory/3336-1-0x0000000000FC0000-0x0000000000FC1000-memory.dmp