Analysis
- max time kernel
59s - max time network
117s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
02/06/2023, 09:16
General
- Target Halkbank_Ekstre_20191102_073809_405251-PDF.exe
- Size 1.1MB
- Sample230602-k8fvtsbb41
- SHA256 5cded8f6c1380968e0259d89fec6d9ccbac4298d7f1795c522d706245d90d4a3
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6094661519:AAHy1tabZ_4WpUjzgacXBuoRigcbyKPOcrY/
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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20191102_073809_405251-PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
memory/1484-54-0x00000000012D0000-0x00000000013E6000-memory.dmp
memory/1484-55-0x0000000004F40000-0x0000000004F80000-memory.dmp
memory/1484-56-0x0000000000270000-0x0000000000284000-memory.dmp
memory/1484-57-0x0000000004F40000-0x0000000004F80000-memory.dmp
memory/1484-58-0x0000000000280000-0x000000000028C000-memory.dmp
memory/1484-59-0x0000000005520000-0x000000000558C000-memory.dmp
memory/1484-60-0x00000000008E0000-0x0000000000914000-memory.dmp
memory/1960-61-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-62-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1960-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1960-71-0x0000000000450000-0x0000000000490000-memory.dmp
memory/1960-86-0x0000000000450000-0x0000000000490000-memory.dmp