Analysis
- max time kernel
87s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
12/12/2022, 14:55
General
- Target VuqJS49SzuzYsl5.exe
- Size 847KB
- Sample221212-sae5msec8w
- SHA256 b5976eb47b7ee86e14820c9ec28dfda460cefbcbcf9936c711512b9fd5260c10
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.impressive-edge.com
-
Port
587
-
Username
-
Password
dGpCBydjt
-
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 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\VuqJS49SzuzYsl5.exe"C:\Users\Admin\AppData\Local\Temp\VuqJS49SzuzYsl5.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\VuqJS49SzuzYsl5.exe"C:\Users\Admin\AppData\Local\Temp\VuqJS49SzuzYsl5.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
memory/2296-138-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2296-139-0x00000000062F0000-0x00000000064B2000-memory.dmp
memory/4124-132-0x0000000000850000-0x000000000092A000-memory.dmp
memory/4124-133-0x00000000057D0000-0x0000000005D74000-memory.dmp
memory/4124-134-0x0000000005170000-0x0000000005202000-memory.dmp
memory/4124-135-0x0000000005330000-0x000000000533A000-memory.dmp
memory/4124-136-0x0000000007E30000-0x0000000007ECC000-memory.dmp