Analysis
- max time kernel
91s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
28/10/2022, 09:25
General
- Target Ir2ZYvvQglAg4Rf.exe
- Size 533KB
- Sample221028-ldlm9sffbm
- SHA256 d65163defaea092a6be7661cdde670e18e54ae79790ffa5f64385daa5ceccabe
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5542941782:AAFlsn_FCfYT7D_ZthXK_Udd4a15AE58_Wg/sendMessage?chat_id=2054148913
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cVFbvb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cVFbvb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BE2.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.exe"C:\Users\Admin\AppData\Local\Temp\Ir2ZYvvQglAg4Rf.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
Ir2ZYvvQglAg4Rf.exe.log
tmp2BE2.tmp
memory/2208-146-0x0000000005410000-0x0000000005476000-memory.dmp
memory/2208-153-0x0000000007340000-0x00000000079BA000-memory.dmp
memory/2208-159-0x0000000007020000-0x0000000007028000-memory.dmp
memory/2208-138-0x00000000020C0000-0x00000000020F6000-memory.dmp
memory/2208-158-0x0000000007040000-0x000000000705A000-memory.dmp
memory/2208-141-0x0000000004C70000-0x0000000005298000-memory.dmp
memory/2208-157-0x0000000006F30000-0x0000000006F3E000-memory.dmp
memory/2208-147-0x00000000059F0000-0x0000000005A0E000-memory.dmp
memory/2208-155-0x0000000006D70000-0x0000000006D7A000-memory.dmp
memory/2208-144-0x0000000004940000-0x0000000004962000-memory.dmp
memory/2208-145-0x0000000004B60000-0x0000000004BC6000-memory.dmp
memory/2208-154-0x0000000006D00000-0x0000000006D1A000-memory.dmp
memory/2208-156-0x0000000006F80000-0x0000000007016000-memory.dmp
memory/2208-152-0x0000000005FA0000-0x0000000005FBE000-memory.dmp
memory/2208-151-0x00000000709D0000-0x0000000070A1C000-memory.dmp
memory/2208-150-0x00000000069A0000-0x00000000069D2000-memory.dmp
memory/4568-132-0x0000000000CB0000-0x0000000000D3C000-memory.dmp
memory/4568-135-0x00000000089A0000-0x0000000008A3C000-memory.dmp
memory/4568-133-0x0000000008290000-0x0000000008834000-memory.dmp
memory/4568-134-0x0000000007D80000-0x0000000007E12000-memory.dmp
memory/4956-149-0x0000000006BA0000-0x0000000006BAA000-memory.dmp
memory/4956-148-0x0000000006C20000-0x0000000006DE2000-memory.dmp
memory/4956-142-0x0000000000400000-0x0000000000426000-memory.dmp