Analysis
- max time kernel
146s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
- submitted
22/06/2023, 10:37
General
- Target 1d88018d7f3e95d78ca22dccede7dc6a.exe
- Size 995KB
- Sample230622-mnsp1afc2t
- SHA256 1c4c7802f3a6bcc8d0355ad3e5c482c0fcdcb79845733a5ffe5c081ef59241cb
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
DreamChaser101
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
DreamChaser101
-
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
- 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\1d88018d7f3e95d78ca22dccede7dc6a.exe"C:\Users\Admin\AppData\Local\Temp\1d88018d7f3e95d78ca22dccede7dc6a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1d88018d7f3e95d78ca22dccede7dc6a.exe"C:\Users\Admin\AppData\Local\Temp\1d88018d7f3e95d78ca22dccede7dc6a.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
1d88018d7f3e95d78ca22dccede7dc6a.exe.log
memory/2200-139-0x0000000008030000-0x00000000080CC000-memory.dmp
memory/2200-135-0x0000000004C10000-0x0000000004CA2000-memory.dmp
memory/2200-136-0x0000000004BF0000-0x0000000004C00000-memory.dmp
memory/2200-137-0x0000000004C00000-0x0000000004C0A000-memory.dmp
memory/2200-138-0x0000000004BF0000-0x0000000004C00000-memory.dmp
memory/2200-133-0x0000000000120000-0x0000000000220000-memory.dmp
memory/2200-134-0x0000000005120000-0x00000000056C4000-memory.dmp
memory/2832-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2832-143-0x0000000005170000-0x00000000051D6000-memory.dmp
memory/2832-144-0x00000000053A0000-0x00000000053B0000-memory.dmp
memory/2832-145-0x00000000067E0000-0x0000000006830000-memory.dmp
memory/2832-146-0x0000000006A00000-0x0000000006BC2000-memory.dmp
memory/2832-153-0x00000000053A0000-0x00000000053B0000-memory.dmp