Analysis
- max time kernel
97s - max time network
94s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
30/03/2023, 14:06
General
- Target 3ca1a9ee70e56cd13b3472f4263f9c480d5fa9d70a18335e28ea41b5bb048461.exe
- Size 625KB
- Sample230330-red8gada26
- SHA256 3ca1a9ee70e56cd13b3472f4263f9c480d5fa9d70a18335e28ea41b5bb048461
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5830295968:AAFBRUyMVqMJG31ucaTPOD0EwQdJVbJGSoc/sendMessage?chat_id=6163418482
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 21 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3ca1a9ee70e56cd13b3472f4263f9c480d5fa9d70a18335e28ea41b5bb048461.exe"C:\Users\Admin\AppData\Local\Temp\3ca1a9ee70e56cd13b3472f4263f9c480d5fa9d70a18335e28ea41b5bb048461.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PJZGmXkIjHI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PJZGmXkIjHI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8057.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\3ca1a9ee70e56cd13b3472f4263f9c480d5fa9d70a18335e28ea41b5bb048461.exe"C:\Users\Admin\AppData\Local\Temp\3ca1a9ee70e56cd13b3472f4263f9c480d5fa9d70a18335e28ea41b5bb048461.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
Loading Replay Monitor...
Downloads
tmp8057.tmp
memory/444-78-0x0000000002700000-0x0000000002740000-memory.dmp
memory/1164-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1164-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1164-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1164-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1164-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1164-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1164-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1164-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1976-56-0x0000000004CE0000-0x0000000004D20000-memory.dmp
memory/1976-65-0x0000000004AF0000-0x0000000004B18000-memory.dmp
memory/1976-54-0x0000000000040000-0x00000000000E2000-memory.dmp
memory/1976-57-0x0000000004CE0000-0x0000000004D20000-memory.dmp
memory/1976-59-0x0000000005620000-0x000000000568E000-memory.dmp
memory/1976-58-0x0000000000970000-0x000000000097C000-memory.dmp
memory/1976-55-0x0000000000960000-0x000000000096E000-memory.dmp