Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
18/06/2024, 10:10
General
- Target MTQ_05133_1670.exe
- Size 1.9MB
- Sample240618-l7tkzayfkb
- SHA256 96b250e64ffabc3bab4c669b3bfd194e55a3ce9e26c7e0dbd047872f2351fe05
Malware Config
Extracted
-
Protocol
smtp
-
Host
162.254.34.31
-
Port
587
-
Username
-
Password
ABwuRZS5Mjh5
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
162.254.34.31
-
Port
587
-
Username
-
Password
ABwuRZS5Mjh5
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MTQ_05133_1670.exe"C:\Users\Admin\AppData\Local\Temp\MTQ_05133_1670.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
-
-
-
C:\Users\Admin\AppData\Local\Temp\MTQ_05133_1670.exe"C:\Users\Admin\AppData\Local\Temp\MTQ_05133_1670.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4268-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp
memory/4268-1-0x0000000000E10000-0x0000000000FFC000-memory.dmp
memory/4268-2-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/4268-3-0x0000000007D40000-0x0000000007F72000-memory.dmp
memory/4268-4-0x0000000008520000-0x0000000008AC4000-memory.dmp
memory/4268-5-0x0000000008020000-0x00000000080B2000-memory.dmp
memory/4268-15-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-17-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-63-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-57-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-55-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-53-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-49-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-47-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-45-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-41-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-39-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-37-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-35-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-33-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-61-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-59-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-51-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-43-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-29-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-27-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-25-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-23-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-69-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-67-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-65-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-21-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-19-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-13-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-11-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-9-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-7-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-31-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-6-0x0000000007D40000-0x0000000007F6B000-memory.dmp
memory/4268-4892-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/4268-4893-0x0000000006260000-0x00000000062CC000-memory.dmp
memory/4268-4894-0x0000000006350000-0x000000000639C000-memory.dmp
memory/4268-4895-0x0000000074A6E000-0x0000000074A6F000-memory.dmp
memory/4268-4896-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/4268-4897-0x0000000001690000-0x00000000016E4000-memory.dmp
memory/4268-4903-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/5076-4900-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/5076-4902-0x0000000074A60000-0x0000000075210000-memory.dmp
memory/5076-4901-0x00000000052F0000-0x0000000005356000-memory.dmp
memory/5076-4899-0x0000000000400000-0x0000000000440000-memory.dmp
memory/5076-4904-0x0000000006830000-0x0000000006880000-memory.dmp
memory/5076-4905-0x0000000006920000-0x00000000069BC000-memory.dmp
memory/5076-4906-0x00000000069D0000-0x00000000069DA000-memory.dmp
memory/5076-4907-0x0000000074A60000-0x0000000075210000-memory.dmp