Analysis
- max time kernel
113s - max time network
124s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
13/11/2021, 07:42
General
- Target inter snake.exe
- Size 44KB
- Sample211113-jjnnpsegc5
- SHA256 024dc716d487ab0ba41efd4bf824a6a18ca0174867c4754985bdb70a6d728d1b
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
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Username
-
Password
internationally124365
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 13 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\inter snake.exe"C:\Users\Admin\AppData\Local\Temp\inter snake.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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\inter snake.exe"C:\Users\Admin\AppData\Local\Temp\inter snake.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 2504 -s 17402⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2504-115-0x0000000000810000-0x0000000000811000-memory.dmp
memory/2504-117-0x0000000005490000-0x0000000005491000-memory.dmp
memory/2504-118-0x0000000004F90000-0x000000000548E000-memory.dmp
memory/2504-119-0x0000000005070000-0x0000000005071000-memory.dmp
memory/2504-120-0x00000000060D0000-0x000000000610B000-memory.dmp
memory/4048-121-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4048-127-0x0000000005700000-0x0000000005BFE000-memory.dmp
memory/4048-128-0x0000000006A50000-0x0000000006A51000-memory.dmp
memory/4048-129-0x0000000006C20000-0x0000000006C21000-memory.dmp
memory/4048-130-0x00000000069F0000-0x00000000069F1000-memory.dmp