Analysis
- max time kernel
135s - max time network
135s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
15/11/2021, 11:14
General
- Target SecuriteInfo.com.W32.MSIL_Kryptik.CKI.genEldorado.30206.7656.exe
- Size 34KB
- Sample211115-nbz4zsehbl
- SHA256 ac33fef4a1fd900879b94ed718faae717c2a7fffe6f6b1f9974037b2c3462dab
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.elemantoniou.gr
-
Port
587
-
Username
-
Password
Dyo+4ison66
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.elemantoniou.gr
-
Port
587
-
Username
-
Password
Dyo+4ison66
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\SecuriteInfo.com.W32.MSIL_Kryptik.CKI.genEldorado.30206.7656.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.CKI.genEldorado.30206.7656.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.CKI.genEldorado.30206.7656.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.MSIL_Kryptik.CKI.genEldorado.30206.7656.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 3664 -s 17482⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3664-118-0x0000000000840000-0x0000000000841000-memory.dmp
memory/3664-120-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/3664-121-0x00000000050D0000-0x00000000050D1000-memory.dmp
memory/3664-122-0x0000000005A30000-0x0000000005A65000-memory.dmp
memory/3664-123-0x0000000006340000-0x0000000006341000-memory.dmp
memory/4048-124-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4048-130-0x0000000005350000-0x000000000584E000-memory.dmp
memory/4048-131-0x0000000006700000-0x0000000006701000-memory.dmp
memory/4048-132-0x00000000068D0000-0x00000000068D1000-memory.dmp
memory/4048-133-0x00000000066E0000-0x00000000066E1000-memory.dmp