Analysis
- max time kernel
148s - max time network
148s - platform
windows7_x64 - resource
win7v20201028 - submitted
05/03/2021, 13:20
General
- Target Doc_ASOC21010304112665477909654_pdf.scr
- Size 820KB
- Sample210305-5e7kyex32e
- SHA256 d94560cd6d50d7d21e77bc064c508f5569329d6c2a074859ba3b1ea2f64142ec
Score
10/10
Malware Config
Extracted
Family
-
remcos
C2
-
xchilogs.duckdns.org:62532
-
xxxxza.dynamic-dns.net:23409
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Loads dropped DLL 1 IoCs
- 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 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Doc_ASOC21010304112665477909654_pdf.scr"C:\Users\Admin\AppData\Local\Temp\Doc_ASOC21010304112665477909654_pdf.scr" /S1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Doc_ASOC21010304112665477909654_pdf.scr"C:\Users\Admin\AppData\Local\Temp\Doc_ASOC21010304112665477909654_pdf.scr" /S2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/824-6-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2008-2-0x0000000075EA1000-0x0000000075EA3000-memory.dmp