Analysis
- max time kernel
123s - max time network
120s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/03/2021, 11:50
General
- Target PO21030901=898777676.exe
- Size 1.7MB
- Sample210309-4taspvx76j
- SHA256 e7286571c8da9bd1c2fbedb8ba82e19b04a56a56e4bb4bcfb83d55766c65cb90
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 3 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.
- 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 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO21030901=898777676.exe"C:\Users\Admin\AppData\Local\Temp\PO21030901=898777676.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YBJmwpOGncv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EBC.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PO21030901=898777676.exe"C:\Users\Admin\AppData\Local\Temp\PO21030901=898777676.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1096-10-0x0000000000400000-0x000000000046A000-memory.dmp
memory/1096-12-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/1096-13-0x0000000000400000-0x000000000046A000-memory.dmp
memory/1096-15-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
memory/1616-2-0x0000000074640000-0x0000000074D2E000-memory.dmp
memory/1616-3-0x0000000000A40000-0x0000000000A41000-memory.dmp
memory/1616-5-0x0000000000320000-0x0000000000327000-memory.dmp
memory/1616-6-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/1616-7-0x00000000052A0000-0x0000000005374000-memory.dmp