Analysis
- max time kernel
72s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
10/10/2022, 08:41
General
- Target 49e68705073a5b4fd866534b2f6f8f33.exe
- Size 948KB
- Sample221010-klez1sbcb2
- SHA256 6fd62542f92cfcd09af0b2ad8f007a9dc110d64c16cfaab24a9ffd6552a754e8
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
doDHyw%0
-
Email to
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 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
- Suspicious behavior: EnumeratesProcesses 1 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\49e68705073a5b4fd866534b2f6f8f33.exe"C:\Users\Admin\AppData\Local\Temp\49e68705073a5b4fd866534b2f6f8f33.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\49e68705073a5b4fd866534b2f6f8f33.exe"C:\Users\Admin\AppData\Local\Temp\49e68705073a5b4fd866534b2f6f8f33.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
49e68705073a5b4fd866534b2f6f8f33.exe.log
memory/2016-132-0x0000000000820000-0x0000000000914000-memory.dmp
memory/2016-133-0x0000000005740000-0x0000000005CE4000-memory.dmp
memory/2016-134-0x0000000005190000-0x0000000005222000-memory.dmp
memory/2016-135-0x0000000005330000-0x000000000533A000-memory.dmp
memory/2016-136-0x0000000009D10000-0x0000000009DAC000-memory.dmp
memory/2016-137-0x0000000009E20000-0x0000000009E86000-memory.dmp
memory/3716-139-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3716-141-0x0000000006480000-0x0000000006642000-memory.dmp