Analysis
- max time kernel
150s - max time network
153s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:48
General
- Target fkfiif.com.exe
- Size 314KB
- Sample201109-c93mfkqjas
- SHA256 ce9eea7daa40294ea32ee596e1a88ec5e6301ed44e08420ec9ab6bb5d810846a
Malware Config
Extracted
-
remcos
-
91.193.75.178:8769
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- ServiceHost packer 1 IoCs
Detects ServiceHost packer used for .NET malware
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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 3 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\fkfiif.com.exe"C:\Users\Admin\AppData\Local\Temp\fkfiif.com.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YtOQIXfCSQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6A1.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\fkfiif.com.exe"{path}"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1332-10-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1332-12-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3372-0-0x0000000073940000-0x000000007402E000-memory.dmp
memory/3372-1-0x0000000000D40000-0x0000000000D41000-memory.dmp
memory/3372-3-0x0000000008280000-0x0000000008281000-memory.dmp
memory/3372-4-0x0000000007E20000-0x0000000007E21000-memory.dmp
memory/3372-5-0x0000000007E10000-0x0000000007E1C000-memory.dmp
memory/3372-6-0x0000000007F60000-0x0000000007F61000-memory.dmp
memory/3372-7-0x0000000008240000-0x0000000008267000-memory.dmp