Analysis
- max time kernel
75s - max time network
48s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
16/11/2022, 10:16
General
- Target 5e2328ac4e905033e635432ed4728362.exe
- Size 859KB
- Sample221116-massvaea9s
- SHA256 07bfbb03eaa00f4f7647170c4ec9117912eb28f3f0dfe12297e239ddd1dfcb6a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
host39.registrar-servers.com
-
Port
587
-
Username
-
Password
payment 12345
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 3 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\5e2328ac4e905033e635432ed4728362.exe"C:\Users\Admin\AppData\Local\Temp\5e2328ac4e905033e635432ed4728362.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5e2328ac4e905033e635432ed4728362.exe"{path}"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/552-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/552-59-0x0000000000400000-0x000000000043C000-memory.dmp
memory/552-60-0x0000000000400000-0x000000000043C000-memory.dmp
memory/552-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/552-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/552-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/552-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1720-55-0x00000000765B1000-0x00000000765B3000-memory.dmp
memory/1720-56-0x0000000000400000-0x0000000000412000-memory.dmp
memory/1720-57-0x0000000004C30000-0x0000000004CB6000-memory.dmp
memory/1720-58-0x00000000048D0000-0x000000000490C000-memory.dmp
memory/1720-54-0x0000000001120000-0x00000000011FE000-memory.dmp