Analysis
- max time kernel
98s - max time network
70s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
29/11/2022, 18:32
General
- Target SecuriteInfo.com.Win32.PWSX-gen.18868.10449.exe
- Size 714KB
- Sample221129-w6ltvaea78
- SHA256 96642679196d3f732718eebf2e7970d7eca03ddc4645b3f0292db847ed82b24e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.strictfacilityservices.com
-
Port
587
-
Username
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Password
SFS!@#321
-
Email to
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18868.10449.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18868.10449.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IwUNvHNy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC43.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18868.10449.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.18868.10449.exe"{path}"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
Loading Replay Monitor...
Downloads
tmpEC43.tmp
memory/1220-57-0x0000000005F80000-0x0000000005FFA000-memory.dmp
memory/1220-56-0x00000000006B0000-0x00000000006C2000-memory.dmp
memory/1220-54-0x00000000013B0000-0x0000000001468000-memory.dmp
memory/1220-58-0x0000000004E00000-0x0000000004E3C000-memory.dmp
memory/1220-55-0x0000000074D81000-0x0000000074D83000-memory.dmp
memory/1728-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1728-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1728-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1728-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1728-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1728-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1728-71-0x0000000000400000-0x000000000043C000-memory.dmp