Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/02/2026, 04:11
Behavioral task
behavioral1
Sample
XWormClient.exe
Resource
win10v2004-20260129-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
XWormClient.exe
Resource
win11-20260130-en
6 signatures
150 seconds
General
- Target XWormClient.exe
- Size 38KB
- Sample260222-er2hbae16c
- SHA256 af81a75a31db12781950c3a6b8da3318d0b6783079757ae96b22e30d00c4b8a1
- MD5 d57508a4e6f7201499b090fdb54bd90f
- SHA1 a363ecb9b9189425288e7d2a0d02e9613a3d448d
- SHA512 e8757e938e6348bb95db7a5fa15f17ac52380bcd52746ef4a2f27de8481c5de9c12b8578ccad9c6a8924bc31feec338b77903853e8793c0c8ca47e256aaf6982
- SSDEEP 768:gFSmm/x0B9ws9A8LmB9OciEAZzFb9S+dOKhIH:3mm/x4DrLm3O31Fb9SqOKw
- TLSH T1BB033B08F7E08615C9FE6FF02AB271094671E65BD913EB5F0CD4959A2F27AC08E407E6
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
egtwax65c.localto.net:6957
Mutex
-
hdKmsMoeuamlQwAJ
Attributes
-
Install_directory
%AppData%
-
install_file
XWormClient.exe
aes.plain
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral2/memory/3024-0-0x00000000000C0000-0x00000000000D0000-memory.dmp family_xworm behavioral2/files/0x001a00000002b3c4-3.dat family_xworm - Xworm family
- Executes dropped EXE 1 IoCs
pid Process 3392 XWormClient.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\XWormClient = "C:\\Users\\Admin\\AppData\\Roaming\\XWormClient.exe" XWormClient.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3024 XWormClient.exe Token: SeDebugPrivilege 3392 XWormClient.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3024
-
C:\Users\Admin\AppData\Roaming\XWormClient.exeC:\Users\Admin\AppData\Roaming\XWormClient.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3392
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
- Size 38KB
- SHA256 af81a75a31db12781950c3a6b8da3318d0b6783079757ae96b22e30d00c4b8a1
- MD5 d57508a4e6f7201499b090fdb54bd90f
- SHA1 a363ecb9b9189425288e7d2a0d02e9613a3d448d
- SHA512 e8757e938e6348bb95db7a5fa15f17ac52380bcd52746ef4a2f27de8481c5de9c12b8578ccad9c6a8924bc31feec338b77903853e8793c0c8ca47e256aaf6982
- SSDEEP 768:gFSmm/x0B9ws9A8LmB9OciEAZzFb9S+dOKhIH:3mm/x4DrLm3O31Fb9SqOKw
- TLSH T1BB033B08F7E08615C9FE6FF02AB271094671E65BD913EB5F0CD4959A2F27AC08E407E6
- MD5 SHA1 SHA512 SSDEEP TLSH