Analysis
- max time kernel
144s - max time network
147s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
29/09/2021, 07:48
General
- Target Foreign_Bank Account Details.exe
- Size 1.1MB
- Sample210929-jm5rdsecej
- SHA256 116d3acdcd11c7f527ba7f78f00eecdc470ccde2f0e2dfac43494ba3f04e6dc5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
webmail.mdist.us
-
Port
587
-
Username
-
Password
Jg#4321
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Foreign_Bank Account Details.exe"C:\Users\Admin\AppData\Local\Temp\Foreign_Bank Account Details.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\raGyVQDGZDF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp49FA.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1144-54-0x0000000000200000-0x0000000000201000-memory.dmp
memory/1144-56-0x0000000004F00000-0x0000000004F01000-memory.dmp
memory/1144-57-0x00000000003B0000-0x00000000003BE000-memory.dmp
memory/1144-58-0x00000000059B0000-0x0000000005A41000-memory.dmp
memory/1144-59-0x0000000004A30000-0x0000000004A9D000-memory.dmp
memory/1900-62-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1900-64-0x0000000000400000-0x0000000000470000-memory.dmp
memory/1900-66-0x0000000004B00000-0x0000000004B01000-memory.dmp
memory/1900-67-0x0000000004B01000-0x0000000004B02000-memory.dmp