Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
13/11/2026, 00:21
General
- Target 9ec3cecefe6abf353b8c6ba85dacd48afb8440c0855fb9060d7a5c6a832d6dc2.msi
- Size 1.4MB
- Sample261113-ancybsdz7x
- SHA256 9ec3cecefe6abf353b8c6ba85dacd48afb8440c0855fb9060d7a5c6a832d6dc2
Malware Config
Extracted
-
quasar
-
encryption_key
80C8E203FBDDF344A26ECDDB268773B8E86195A9
-
key_salt
5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382
-
reconnect_delay
3000
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Detects DonutLoader 1 IoCs
- PulsaRAT library module 2 IoCs
Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.
- Quasar payload 1 IoCs
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Windows directory 7 IoCs
- Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 55 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\9ec3cecefe6abf353b8c6ba85dacd48afb8440c0855fb9060d7a5c6a832d6dc2.msi1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Platform\hdqxzoot\SyncClient072367.exeC:\Users\Admin\AppData\Local\Platform\hdqxzoot\\SyncClient072367.exe1⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Installer Packages
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Installer Packages
1Replay Monitor
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Downloads
e58c496.rbs
SyncClient072367.exe
memory/1416-16-0x0000000002B20000-0x0000000002C7C000-memory.dmp
memory/1416-18-0x0000000002DC0000-0x0000000002F1B000-memory.dmp
memory/1416-19-0x0000000005B70000-0x0000000005CCC000-memory.dmp
memory/1416-20-0x0000000006280000-0x0000000006824000-memory.dmp
memory/1416-21-0x0000000005CD0000-0x0000000005D62000-memory.dmp
memory/1416-22-0x0000000005B10000-0x0000000005B48000-memory.dmp
memory/1416-23-0x0000000005DC0000-0x0000000005DCA000-memory.dmp
memory/1416-24-0x0000000007630000-0x0000000007642000-memory.dmp
memory/1416-25-0x0000000007690000-0x00000000076CC000-memory.dmp
memory/1416-26-0x0000000007710000-0x0000000007748000-memory.dmp
memory/1416-27-0x00000000079C0000-0x00000000079CA000-memory.dmp
memory/1416-28-0x0000000007A80000-0x0000000007AE6000-memory.dmp
memory/1416-29-0x0000000007A10000-0x0000000007A36000-memory.dmp
memory/1416-30-0x0000000007680000-0x0000000007688000-memory.dmp
memory/1416-31-0x0000000007C30000-0x0000000007C92000-memory.dmp
memory/1416-32-0x0000000007CC0000-0x0000000007D02000-memory.dmp
memory/1416-33-0x0000000007D30000-0x0000000007D3A000-memory.dmp
memory/1416-35-0x0000000007DB0000-0x0000000007DCA000-memory.dmp
memory/1416-34-0x0000000007CB0000-0x0000000007CBA000-memory.dmp
memory/1416-36-0x0000000007E70000-0x0000000007E92000-memory.dmp
memory/1416-41-0x0000000007E40000-0x0000000007E52000-memory.dmp
memory/1416-52-0x0000000008300000-0x000000000834A000-memory.dmp
memory/1416-64-0x0000000008580000-0x0000000008594000-memory.dmp
memory/1416-63-0x0000000008570000-0x0000000008580000-memory.dmp
memory/1416-62-0x0000000008540000-0x0000000008572000-memory.dmp
memory/1416-61-0x0000000008510000-0x0000000008544000-memory.dmp
memory/1416-60-0x00000000084F0000-0x0000000008506000-memory.dmp
memory/1416-59-0x00000000084E0000-0x00000000084EC000-memory.dmp
memory/1416-58-0x00000000084D0000-0x00000000084DA000-memory.dmp
memory/1416-57-0x0000000008490000-0x00000000084CA000-memory.dmp
memory/1416-56-0x0000000008480000-0x0000000008494000-memory.dmp
memory/1416-55-0x0000000008440000-0x000000000846A000-memory.dmp
memory/1416-54-0x00000000083A0000-0x0000000008420000-memory.dmp
memory/1416-53-0x0000000008350000-0x000000000839C000-memory.dmp