Analysis
- max time kernel
150s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
15/01/2021, 13:55
General
- Target RFQ TK011521.exe
- Size 773KB
- Sample210115-yrbbsvwhea
- SHA256 4cd823b02efc3aaf62baa4f4e9c252ae487d969c887fe2a72291ad2e69359cac
Malware Config
Extracted
-
remcos
-
jackpiaau.duckdns.org:4902
-
ihechi.ddns.net:4902
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Uses the VBS compiler for execution 1 TTPs
- 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 use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ TK011521.exe"C:\Users\Admin\AppData\Local\Temp\RFQ TK011521.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UhmWrAKbkBd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9309.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/500-9-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/500-5-0x0000000005350000-0x0000000005351000-memory.dmp
memory/500-6-0x00000000058F0000-0x00000000058F1000-memory.dmp
memory/500-7-0x0000000005490000-0x0000000005491000-memory.dmp
memory/500-8-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/500-2-0x0000000073D50000-0x000000007443E000-memory.dmp
memory/500-10-0x0000000005430000-0x0000000005442000-memory.dmp
memory/500-11-0x0000000005EF0000-0x0000000005F48000-memory.dmp
memory/500-3-0x0000000000920000-0x0000000000921000-memory.dmp
memory/3592-14-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3592-16-0x0000000000400000-0x0000000000421000-memory.dmp