Analysis
- max time kernel
62s - max time network
140s - platform
windows10_x64 - resource
win10v200722 - submitted
19/10/2020, 07:27
General
- Target Urgent (0998 R1) ST PO1805140.exe
- Size 713KB
- Sample201019-3h8mp4rn2j
- SHA256 e4a3e20e267b49025b0c602b0af5b19c57711fc07f5442c356d5c57e1ee7cd31
Malware Config
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 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.
- 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
- 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Urgent (0998 R1) ST PO1805140.exe"C:\Users\Admin\AppData\Local\Temp\Urgent (0998 R1) ST PO1805140.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RxuZmSOzai" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F9E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Urgent (0998 R1) ST PO1805140.exe"C:\Users\Admin\AppData\Local\Temp\Urgent (0998 R1) ST PO1805140.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3008-22-0x00000000064D0000-0x00000000064D1000-memory.dmp
memory/3008-21-0x0000000005F50000-0x0000000005F51000-memory.dmp
memory/3008-16-0x0000000074000000-0x00000000746EE000-memory.dmp
memory/3008-13-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3888-5-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/3888-10-0x0000000005BB0000-0x0000000005BCE000-memory.dmp
memory/3888-9-0x0000000005B50000-0x0000000005B9B000-memory.dmp
memory/3888-8-0x0000000004EB0000-0x0000000004EBB000-memory.dmp
memory/3888-7-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/3888-6-0x0000000004E90000-0x0000000004E91000-memory.dmp
memory/3888-0-0x0000000074000000-0x00000000746EE000-memory.dmp
memory/3888-4-0x0000000005420000-0x0000000005421000-memory.dmp
memory/3888-3-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
memory/3888-1-0x0000000000530000-0x0000000000531000-memory.dmp