Analysis
- max time kernel
38s - max time network
140s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
12/12/2022, 14:55
General
- Target bank slip.pdf.exe
- Size 974KB
- Sample221212-sae5msbf26
- SHA256 2df2f95d0b480aa7d2f86ee162298a55d7f24dbdaef2e06664ce992c35a5ab03
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendMessage?chat_id=1637651323
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bank slip.pdf.exe"C:\Users\Admin\AppData\Local\Temp\bank slip.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RsWyStjZYG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B58.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\bank slip.pdf.exe"{path}"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
Loading Replay Monitor...
Downloads
tmp7B58.tmp
memory/664-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1408-54-0x0000000000DA0000-0x0000000000E9A000-memory.dmp
memory/1408-55-0x0000000075C11000-0x0000000075C13000-memory.dmp
memory/1408-56-0x0000000000220000-0x0000000000232000-memory.dmp
memory/1408-58-0x0000000000550000-0x0000000000576000-memory.dmp
memory/1408-57-0x0000000004E10000-0x0000000004E86000-memory.dmp