Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
18/10/2023, 17:24
General
- Target 487fa93e89fd1ec0969e0083966714bd.exe
- Size 924KB
- Sample231018-vypp4agh5z
- SHA256 08bef6d15fe30410b624cfad64ba2e410312d8bb03fa602a31b69c91dd307147
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
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
- 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 WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"C:\Users\Admin\AppData\Local\Temp\487fa93e89fd1ec0969e0083966714bd.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
487fa93e89fd1ec0969e0083966714bd.exe.log
memory/2516-10-0x0000000005640000-0x0000000005650000-memory.dmp
memory/2516-12-0x0000000008A00000-0x0000000008A9C000-memory.dmp
memory/2516-3-0x0000000005500000-0x0000000005592000-memory.dmp
memory/2516-4-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/2516-5-0x00000000054C0000-0x00000000054CA000-memory.dmp
memory/2516-6-0x00000000054D0000-0x00000000054EE000-memory.dmp
memory/2516-7-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/2516-8-0x00000000057A0000-0x00000000057B0000-memory.dmp
memory/2516-9-0x0000000005630000-0x000000000563C000-memory.dmp
memory/2516-0-0x0000000000B20000-0x0000000000C0E000-memory.dmp
memory/2516-2-0x0000000005B60000-0x0000000006104000-memory.dmp
memory/2516-17-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/2516-11-0x0000000006210000-0x000000000628E000-memory.dmp
memory/2516-1-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4804-16-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4804-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4804-18-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4804-19-0x0000000005690000-0x00000000056F6000-memory.dmp
memory/4804-20-0x0000000006CE0000-0x0000000006D30000-memory.dmp
memory/4804-21-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/4804-22-0x0000000005510000-0x0000000005520000-memory.dmp