Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/07/2026, 19:54
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
payload.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
payload.exe
Resource
win11ltsc2024-20260629-en
9 signatures
150 seconds
General
- Target payload.exe
- Size 170KB
- Sample260705-ymrxvsa17q
- SHA256 213ca0c1084c8121caf8e35cf87a1db48e2d9addaa324c8cbb218bbb40514ed0
- MD5 14433702f311d91b3b37d5f423ea72fa
- SHA1 a4beef959501b9054beddb4e58dc604a37bfa632
- SHA512 6f4d7244d9ed25147dfc9deba272d7d60a46476eae7062f20758ec0646a1f100c8f7de22531e4b0e24e6e2f95fa0825e2a4184d5f32958d294323e2a823c6649
- SSDEEP 3072:y3a8od99ks5gO1nWy/ADSqRLojA9cd9SXTUtevP:PH7ks5Nj/ADyjPjteH
- TLSH T13B048D12B68554FCE046C078C31689B7767670C60B226AFF179502382F69BF97F3DA25
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
Mutex
-
NcyOAucyNvAAl61w
Attributes
-
install_file
USB.exe
-
localhost
127.0.0.1
aes.plain
Signatures
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/4224-2-0x0000014312F90000-0x0000014312F9E000-memory.dmp family_xworm - Detects DonutLoader 1 IoCs
resource yara_rule behavioral2/memory/4224-0-0x0000014312D30000-0x0000014312D39000-memory.dmp family_donutloader - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557124681-2609731375-3674401788-1000\Software\Microsoft\Windows\CurrentVersion\Run\8nzrAjTY = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Update" payload.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1532 timeout.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3220 payload.exe 3220 payload.exe 3220 payload.exe 3220 payload.exe 3220 payload.exe 3220 payload.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4224 svchost.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3220 wrote to memory of 5652 3220 payload.exe 88 PID 3220 wrote to memory of 4224 3220 payload.exe 89 PID 3220 wrote to memory of 4224 3220 payload.exe 89 PID 3220 wrote to memory of 2024 3220 payload.exe 90 PID 2024 wrote to memory of 1532 2024 cmd.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\payload.exe"C:\Users\Admin\AppData\Local\Temp\payload.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\System32\notepad.exeC:\Windows\System32\notepad.exe2⤵PID:5652
-
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Windows\SYSTEM32\cmd.execmd.exe /c timeout /t 1 /nobreak && del /f /q "C:\Users\Admin\AppData\Local\Temp\payload.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\system32\timeout.exetimeout /t 1 /nobreak3⤵
- Delays execution with timeout.exe
PID:1532
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