Analysis
- max time kernel
135s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
29/04/2023, 00:10
General
- Target slip & advice .scr.exe
- Size 1.2MB
- Sample230429-af2lqaah6v
- SHA256 cad87d2ba2f829cef46aa8195561a9feb19e96c559e8dcb707a68778cecd13e5
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
08069270459ugo
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
08069270459ugo
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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"2⤵
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-
C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"C:\Users\Admin\AppData\Local\Temp\slip & advice .scr.exe"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
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Downloads
slip & advice .scr.exe.log
memory/516-139-0x00000000077A0000-0x000000000783C000-memory.dmp
memory/516-135-0x0000000005A50000-0x0000000005AE2000-memory.dmp
memory/516-136-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/516-137-0x0000000005EF0000-0x0000000005EFA000-memory.dmp
memory/516-138-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/516-133-0x0000000000BA0000-0x0000000000CD6000-memory.dmp
memory/516-134-0x0000000005F60000-0x0000000006504000-memory.dmp
memory/4596-140-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4596-143-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/4596-144-0x0000000005A70000-0x0000000005AD6000-memory.dmp
memory/4596-145-0x0000000006DE0000-0x0000000006E30000-memory.dmp
memory/4596-149-0x00000000054B0000-0x00000000054C0000-memory.dmp