Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/07/2026, 10:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe
- Size 975KB
- Sample260702-mm5ceaf16w
- SHA256 bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a
- MD5 3e640a4fe51510c4e80c779410593179
- SHA1 e1c5ae8c9543c835d0e3e4717cea3123b0a60e95
- SHA512 e41dd8af1aea9be15e8469321baeb49546fdc30882d8dcca255e87fd3d4378bf2705efa3dbe2676daac832bd0c5e61ef4c25346bfbc879ee26889dc9b3d9c242
- SSDEEP 24576:vh3k7harZP7322uzZcPeJ1YmUrZi4Jjz7Q2A:vh3KUn+ZcPeJ1Ym4iK78
- TLSH T18F258C19E38D11E8D227D534CBE26232E7B6745A0761BADF079AC2152F73AD02F7A311
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
203.202.232.132:2828
Mutex
-
BHbzRLXXV6MmhGaf
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 3 IoCs
resource yara_rule behavioral1/memory/4536-2-0x0000000000710000-0x000000000071E000-memory.dmp family_xworm behavioral1/memory/4536-7-0x0000000000710000-0x000000000071E000-memory.dmp family_xworm behavioral1/memory/4536-8-0x0000000000710000-0x000000000071E000-memory.dmp family_xworm - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4300 set thread context of 4536 4300 bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe 86 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jsc.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4536 jsc.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4300 wrote to memory of 4536 4300 bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe 86 PID 4300 wrote to memory of 4536 4300 bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe 86 PID 4300 wrote to memory of 4536 4300 bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe"C:\Users\Admin\AppData\Local\Temp\bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4536
-