Analysis
- max time kernel
179s - max time network
184s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
10/05/2022, 16:10
General
- Target KyELTvlArhdl7Nr.exe
- Size 670KB
- Sample220510-tmceysbca4
- SHA256 21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.ccphotos.com.au
-
Port
587
-
Username
-
Password
aceinthehole344
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.ccphotos.com.au
-
Port
587
-
Username
-
Password
aceinthehole344
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
KyELTvlArhdl7Nr.exe.log
memory/1724-130-0x0000000000D40000-0x0000000000DEE000-memory.dmp
memory/1724-131-0x0000000005E20000-0x00000000063C4000-memory.dmp
memory/1724-132-0x0000000005780000-0x0000000005812000-memory.dmp
memory/1724-133-0x0000000005830000-0x000000000583A000-memory.dmp
memory/1724-134-0x00000000090B0000-0x000000000914C000-memory.dmp
memory/1724-135-0x00000000017A0000-0x0000000001806000-memory.dmp
memory/4732-137-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4732-139-0x00000000064F0000-0x0000000006540000-memory.dmp