Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
07/08/2026, 18:09
General
- Target sOhph5kJoUBra.ps1
- Size 8KB
- Sample260807-wrxmsshc64
- SHA256 7796d6f9f191a79a2953ae2fde58fa744e878b75e1a3478010ea794d65ad1f13
Malware Config
Extracted
-
quasar
-
encryption_key
8168766659EB0B077B6079F5195209996ABA130D
-
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
- Quasar payload 1 IoCs
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 49 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\sOhph5kJoUBra.ps11⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\r4uyplr3.w3r\7za.exe"C:\Users\Admin\AppData\Local\r4uyplr3.w3r\7za.exe" x C:\Users\Admin\AppData\Local\r4uyplr3.w3r\fosrfwum.wb2.zip -oC:\Users\Admin\AppData\Local\r4uyplr3.w3r\nkrw1qxq.pl4 -poldkf2026 -y2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\r4uyplr3.w3r\nkrw1qxq.pl4\EdgeElevator.exe"C:\Users\Admin\AppData\Local\r4uyplr3.w3r\nkrw1qxq.pl4\EdgeElevator.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Core\GoogleCrashHandler.exeC:\Users\Admin\AppData\Roaming\Microsoft\Edge\Core\GoogleCrashHandler.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ICJCdoPQp94g.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\chcp.comchcp 650013⤵
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\timeout.exetimeout /T 5 /NOBREAK3⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
-
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
ICJCdoPQp94g.bat
7za.exe
fosrfwum.wb2.zip
EdgeElevator.exe
AForge.Video.DirectShow.dll
AForge.Video.dll
AForge.dll
Gma.System.MouseKeyHook.dll
NAudio.Core.dll
NAudio.Wasapi.dll
NAudio.WinForms.dll
NAudio.WinMM.dll
SharpDX.D3DCompiler.dll
SharpDX.DXGI.dll
SharpDX.Direct2D1.dll
SharpDX.Direct3D11.dll
SharpDX.Mathematics.dll
SharpDX.dll
memory/2224-109-0x0000000032DF0000-0x0000000032E2A000-memory.dmp
memory/2224-105-0x0000000032CC0000-0x0000000032D0C000-memory.dmp
memory/2224-106-0x0000000032D10000-0x0000000032D90000-memory.dmp
memory/2224-107-0x0000000032DA0000-0x0000000032DCA000-memory.dmp
memory/2224-108-0x0000000032DE0000-0x0000000032DF4000-memory.dmp
memory/2224-62-0x00000000261B0000-0x000000002628C000-memory.dmp
memory/2224-65-0x000000002B990000-0x000000002BA6E000-memory.dmp
memory/2224-66-0x000000002BA70000-0x000000002C02A000-memory.dmp
memory/2224-67-0x000000002C030000-0x000000002C0C2000-memory.dmp
memory/2224-68-0x000000002B940000-0x000000002B976000-memory.dmp
memory/2224-69-0x000000002C1A0000-0x000000002C1AA000-memory.dmp
memory/2224-72-0x0000000030030000-0x0000000030042000-memory.dmp
memory/2224-73-0x0000000030050000-0x000000003008C000-memory.dmp
memory/2224-74-0x00000000300E0000-0x000000003011E000-memory.dmp
memory/2224-75-0x00000000300B0000-0x00000000300BA000-memory.dmp
memory/2224-76-0x0000000030F00000-0x0000000030F66000-memory.dmp
memory/2224-77-0x0000000030F80000-0x0000000030FA6000-memory.dmp
memory/2224-78-0x00000000300C0000-0x00000000300C8000-memory.dmp
memory/2224-79-0x0000000030FB0000-0x0000000031012000-memory.dmp
memory/2224-80-0x0000000031700000-0x0000000031742000-memory.dmp
memory/2224-81-0x0000000031790000-0x000000003179A000-memory.dmp
memory/2224-82-0x0000000031770000-0x000000003177A000-memory.dmp
memory/2224-83-0x00000000317D0000-0x00000000317EA000-memory.dmp
memory/2224-84-0x0000000031850000-0x0000000031872000-memory.dmp
memory/2224-104-0x0000000032C70000-0x0000000032CBA000-memory.dmp
memory/2224-110-0x0000000032E30000-0x0000000032E3A000-memory.dmp
memory/2224-115-0x0000000032EE0000-0x0000000032EF0000-memory.dmp
memory/2224-116-0x0000000032EF0000-0x0000000032F04000-memory.dmp
memory/2224-114-0x0000000032EA0000-0x0000000032ED2000-memory.dmp
memory/2224-113-0x0000000032E70000-0x0000000032EA4000-memory.dmp
memory/2224-112-0x0000000032E50000-0x0000000032E66000-memory.dmp
memory/2224-111-0x0000000032E40000-0x0000000032E4C000-memory.dmp
memory/2652-14-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-0-0x00007FFB28A7F000-0x00007FFB28A80000-memory.dmp
memory/2652-37-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-21-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-22-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-20-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-19-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-17-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-15-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-16-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-10-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-13-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-23-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-9-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-8-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-7-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-6-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-5-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp
memory/2652-3-0x0000021856100000-0x0000021856122000-memory.dmp
memory/2652-4-0x00007FFB288F0000-0x00007FFB29294000-memory.dmp