Analysis
- max time kernel
86s - max time network
72s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
17/08/2022, 14:09
General
- Target 93e37f439b92ef60246aa4b7234cd5a2.exe
- Size 653KB
- Sample220817-rf46aagedq
- SHA256 f201eba1456489f15f88746a02a8426a78e07b34e855335fb03b8eff86cce004
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.valvulasthermovalve.cl/
-
Port
21
-
Username
-
Password
LILKOOLL14!!
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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 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\93e37f439b92ef60246aa4b7234cd5a2.exe"C:\Users\Admin\AppData\Local\Temp\93e37f439b92ef60246aa4b7234cd5a2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\93e37f439b92ef60246aa4b7234cd5a2.exe"C:\Users\Admin\AppData\Local\Temp\93e37f439b92ef60246aa4b7234cd5a2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/956-64-0x0000000000400000-0x000000000043A000-memory.dmp
memory/956-70-0x0000000000400000-0x000000000043A000-memory.dmp
memory/956-61-0x0000000000400000-0x000000000043A000-memory.dmp
memory/956-65-0x0000000000400000-0x000000000043A000-memory.dmp
memory/956-60-0x0000000000400000-0x000000000043A000-memory.dmp
memory/956-63-0x0000000000400000-0x000000000043A000-memory.dmp
memory/956-68-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1636-55-0x00000000762F1000-0x00000000762F3000-memory.dmp
memory/1636-54-0x0000000000B40000-0x0000000000BEA000-memory.dmp
memory/1636-59-0x0000000000AF0000-0x0000000000B38000-memory.dmp
memory/1636-58-0x0000000005200000-0x000000000528A000-memory.dmp
memory/1636-57-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1636-56-0x00000000002B0000-0x00000000002CA000-memory.dmp