Analysis
- max time kernel
91s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
21/05/2022, 11:52
General
- Target MMO47.exe
- Size 779KB
- Sample220521-n1wsvsedf8
- SHA256 d438b1aeeca792f5e1a704a232b6f261a78ce95bfec3a7907d4066944b8a9030
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.maccinox.com
-
Port
587
-
Username
-
Password
peru2016
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 2 IoCs
- 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MMO47.exe"C:\Users\Admin\AppData\Local\Temp\MMO47.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\MMO47.exe"C:\Users\Admin\AppData\Local\Temp\MMO47.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 22043⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2188 -ip 21881⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2188-132-0x00000000005F0000-0x0000000000612000-memory.dmp
memory/2188-134-0x00000000005F0000-0x0000000000612000-memory.dmp
memory/2188-135-0x00000000049D0000-0x0000000004F74000-memory.dmp
memory/2188-136-0x0000000004900000-0x000000000499C000-memory.dmp
memory/2188-137-0x0000000005B10000-0x0000000005B76000-memory.dmp
memory/2188-138-0x0000000006060000-0x0000000006222000-memory.dmp
memory/2188-139-0x0000000006440000-0x00000000064D2000-memory.dmp
memory/4116-133-0x00000000005F0000-0x00000000005FA000-memory.dmp