Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
17/01/2023, 13:49
General
- Target e224c8372b3b03fb3911737b5f80999c.exe
- Size 598KB
- Sample230117-q4nyjach8t
- SHA256 dd39b4b8ed5092bfd590f6a175d78a59ffebbafeee05b47d909b9321ac336d46
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Executes dropped EXE 2 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e224c8372b3b03fb3911737b5f80999c.exe"C:\Users\Admin\AppData\Local\Temp\e224c8372b3b03fb3911737b5f80999c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lysozb.exe"C:\Users\Admin\AppData\Local\Temp\lysozb.exe" C:\Users\Admin\AppData\Local\Temp\nvppe.j2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lysozb.exe"C:\Users\Admin\AppData\Local\Temp\lysozb.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
idjjkwxsg.l
lysozb.exe
lysozb.exe
lysozb.exe
nvppe.j
memory/3812-139-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3812-140-0x0000000004960000-0x0000000004F04000-memory.dmp
memory/3812-141-0x0000000004F50000-0x0000000004FEC000-memory.dmp
memory/3812-142-0x0000000005B40000-0x0000000005D02000-memory.dmp
memory/3812-143-0x0000000005D10000-0x0000000005DA2000-memory.dmp
memory/3812-144-0x0000000005E30000-0x0000000005E3A000-memory.dmp