Analysis
- max time kernel
146s - max time network
41s - platform
windows7_x64 - resource
win7v20210408 - submitted
02/08/2021, 05:30
General
- Target PURCHASE ORDER #206540.exe
- Size 1.3MB
- Sample210802-pp4ae8b2hj
- SHA256 bc27d5765a125effc926f4e9c7edb160c73b0d8831d79b7f0e1983bdfe346e4c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.royalthaj.com
-
Port
587
-
Username
-
Password
FDoVq#v8
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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #206540.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #206540.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #206540.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER #206540.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/616-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/616-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/616-69-0x00000000049A0000-0x00000000049A1000-memory.dmp
memory/616-70-0x00000000049A1000-0x00000000049A2000-memory.dmp
memory/676-59-0x00000000010A0000-0x00000000010A1000-memory.dmp
memory/676-61-0x0000000000A20000-0x0000000000A21000-memory.dmp
memory/676-62-0x00000000003D0000-0x00000000003DD000-memory.dmp
memory/676-63-0x000000000A4F0000-0x000000000A585000-memory.dmp
memory/676-64-0x00000000009C0000-0x00000000009F8000-memory.dmp