Analysis
- user interaction
yes - max time kernel
298s - max time network
302s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
31/08/2026, 01:34
General
- Target f6f7dbd6561e7ee6ba7e6abffdb1e5de01bf511318aade34825d888e99db645f.exe
- Size 105KB
- Sample260831-bzcmdatanb
- SHA256 f6f7dbd6561e7ee6ba7e6abffdb1e5de01bf511318aade34825d888e99db645f
Malware Config
Extracted
-
asyncrat
-
BwRat 1.0.0
-
Default
-
112.213.103.17:1217
-
DcRatMutex_qwqdanchun
-
delay
1
-
install
false
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Async RAT payload 1 IoCs
- Detects DonutLoader 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 47 IoCs
- Suspicious use of SendNotifyMessage 46 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f6f7dbd6561e7ee6ba7e6abffdb1e5de01bf511318aade34825d888e99db645f.exe"C:\Users\Admin\AppData\Local\Temp\f6f7dbd6561e7ee6ba7e6abffdb1e5de01bf511318aade34825d888e99db645f.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1992-12-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-17-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-19-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-20-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-21-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-22-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-23-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-18-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-13-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/1992-11-0x000002A2DB5A0000-0x000002A2DB5A1000-memory.dmp
memory/4496-4-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/4496-8-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/4496-7-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/4496-6-0x0000000000C70000-0x0000000000C8E000-memory.dmp
memory/4496-5-0x0000000077D21000-0x0000000077D22000-memory.dmp
memory/4496-0-0x00000000005E0000-0x00000000005F5000-memory.dmp
memory/4496-3-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/4496-2-0x0000000002980000-0x0000000002996000-memory.dmp
memory/4496-1-0x00000000054B0000-0x00000000054C0000-memory.dmp