Analysis
- max time kernel
149s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/02/2021, 15:37
General
- Target 20210121_RFQ_BPA_21_8012_Behr PO.exe
- Size 850KB
- Sample210202-81jfs8easn
- SHA256 c81fa45ad1007232e7cb8fba523847c0ae647a4c4016ed39c7a7cfb979b4f870
Malware Config
Extracted
-
remcos
-
nwajesu2021.ddns.net:1313
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\20210121_RFQ_BPA_21_8012_Behr PO.exe"C:\Users\Admin\AppData\Local\Temp\20210121_RFQ_BPA_21_8012_Behr PO.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hNYRIZFJOECa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E21.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\20210121_RFQ_BPA_21_8012_Behr PO.exe"C:\Users\Admin\AppData\Local\Temp\20210121_RFQ_BPA_21_8012_Behr PO.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/580-9-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/580-11-0x0000000004DB0000-0x0000000004DB3000-memory.dmp
memory/580-6-0x0000000005120000-0x0000000005121000-memory.dmp
memory/580-7-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/580-8-0x0000000004E40000-0x0000000004E41000-memory.dmp
memory/580-2-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/580-10-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
memory/580-5-0x0000000004B80000-0x0000000004B81000-memory.dmp
memory/580-12-0x00000000059A0000-0x0000000005A16000-memory.dmp
memory/580-3-0x0000000000200000-0x0000000000201000-memory.dmp
memory/3552-15-0x0000000000400000-0x0000000000421000-memory.dmp
memory/3552-17-0x0000000000400000-0x0000000000421000-memory.dmp