Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
31/08/2026, 02:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe
- Size 824KB
- Sample260831-cv5ysstdpe
- SHA256 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f
- MD5 eb3fd1706066aecf68f002c744100218
- SHA1 29fb8a163ec801d7e28fe0e8e817f8501b6cae86
- SHA512 98f76ce0793bf24c2b4dfa209d37fd871da52df259d797e930c49edd1bed2ad0df8058844af18e63627fc01d40320baa521d2c28aaa56f44e3d1e937e091bf60
- SSDEEP 24576:kcBenknU78vxonjOLqCLh4EXzKXaow9NpswhB:kc9iaLq2h4EXWpUt
- TLSH T142050168675CD502C4521B704E65F2B8159AAE99FA20D317AFEC7FEF3E72B059C40382
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
135.136.134.57:7007
Mutex
-
MDFZIRlnm97dXYQQ
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral1/memory/1592-9-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral1/memory/3156-6-0x0000000005200000-0x000000000521C000-memory.dmp SmartAssembly - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3156 set thread context of 1592 3156 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe 93 - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1592 MSBuild.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3156 wrote to memory of 1592 3156 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe 93 PID 3156 wrote to memory of 1592 3156 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe 93 PID 3156 wrote to memory of 1592 3156 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe 93 PID 3156 wrote to memory of 1592 3156 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe 93 PID 3156 wrote to memory of 1592 3156 43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe"C:\Users\Admin\AppData\Local\Temp\43fe17a95010413fce338858f7f675708e1f3b9fb1998a436881c35dbe49825f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1592
-