Analysis
- max time kernel
138s - max time network
131s - platform
windows10_x64 - resource
win10 - submitted
27/08/2020, 08:05
General
- Target PO109643.exe
- Size 756KB
- Sample200827-jp3adwdd5j
- SHA256 332287b244dfebbabac15b5b4dd3fc3bb6f488d3460c2de5259254136040d0e4
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.dogulumetal.com
-
Port
587
-
Username
-
Password
DMaslak2950**
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- 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\PO109643.exe"C:\Users\Admin\AppData\Local\Temp\PO109643.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- 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\NVEybA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3658.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PO109643.exe"C:\Users\Admin\AppData\Local\Temp\PO109643.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1112-21-0x00000000057D0000-0x00000000057D1000-memory.dmp
memory/1112-16-0x0000000073270000-0x000000007395E000-memory.dmp
memory/1112-14-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3100-5-0x00000000058B0000-0x00000000058B1000-memory.dmp
memory/3100-8-0x0000000005790000-0x000000000579B000-memory.dmp
memory/3100-9-0x0000000006670000-0x00000000066F1000-memory.dmp
memory/3100-10-0x0000000006700000-0x0000000006764000-memory.dmp
memory/3100-11-0x00000000014D0000-0x00000000014D1000-memory.dmp
memory/3100-7-0x0000000005A80000-0x0000000005A81000-memory.dmp
memory/3100-6-0x0000000005770000-0x0000000005771000-memory.dmp
memory/3100-0-0x0000000073270000-0x000000007395E000-memory.dmp
memory/3100-4-0x0000000005DB0000-0x0000000005DB1000-memory.dmp
memory/3100-3-0x0000000005810000-0x0000000005811000-memory.dmp
memory/3100-1-0x0000000000EA0000-0x0000000000EA1000-memory.dmp