Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20251231-en - resource tags
arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system - submitted
15/01/2026, 03:56
Behavioral task
behavioral1
Sample
XWormClient1.exe
Resource
win10v2004-20251231-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
XWormClient1.exe
Resource
win11-20251231-en
11 signatures
150 seconds
General
- Target XWormClient1.exe
- Size 35KB
- Sample260115-ehr8aaaw3h
- SHA256 a6f4e0e7e0e1d9e87abd91273d14768aa586d0943b7aabfde546f385972e603a
- MD5 e8552ef6e3237ffc2e5a949b5cff8d5f
- SHA1 eea2b8f04958a2753eb4760e5988107905c4005d
- SHA512 0571f5f02218471deb8ca7ad77c1ab393f7c8a8fa9e26f4068949a2a63ce3bd071aa074e8c1ec3dee2a42d2de320c1e1e3a65f37245e263ddaa48f002206c912
- SSDEEP 768:8SEe6sVJbkDgKivqEwTsuwfF19DeO/hR/OCg:efsVJAJo2ToF19DeO/72Cg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
XWorm V6.6
C2
-
46.39.253.217:9001
Mutex
-
NjYQVz0KrDJYYvLF
Attributes
-
Install_directory
%Userprofile%
-
install_file
Conhost.exe
aes.plain
Signatures
- Detect Xworm Payload 2 IoCs
resource yara_rule behavioral1/memory/2996-0-0x0000000000880000-0x0000000000890000-memory.dmp family_xworm behavioral1/files/0x000800000001e6fd-7.dat family_xworm - Xworm family
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-637834294-2184659161-4185719757-1000\Control Panel\International\Geo\Nation XWormClient1.exe - Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Conhost.lnk XWormClient1.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Conhost.lnk XWormClient1.exe - Executes dropped EXE 4 IoCs
pid Process 220 Conhost.exe 3708 Conhost.exe 4188 Conhost.exe 4016 Conhost.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-637834294-2184659161-4185719757-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Conhost = "C:\\Users\\Admin\\Conhost.exe" XWormClient1.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2944 schtasks.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2996 XWormClient1.exe Token: SeDebugPrivilege 220 Conhost.exe Token: SeDebugPrivilege 3708 Conhost.exe Token: SeDebugPrivilege 4188 Conhost.exe Token: SeDebugPrivilege 4016 Conhost.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2996 wrote to memory of 2944 2996 XWormClient1.exe 87 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\XWormClient1.exe"C:\Users\Admin\AppData\Local\Temp\XWormClient1.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Conhost" /tr "C:\Users\Admin\Conhost.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2944
-
-
C:\Users\Admin\Conhost.exeC:\Users\Admin\Conhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:220
-
C:\Users\Admin\Conhost.exeC:\Users\Admin\Conhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3708
-
C:\Users\Admin\Conhost.exeC:\Users\Admin\Conhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4188
-
C:\Users\Admin\Conhost.exeC:\Users\Admin\Conhost.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4016
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Conhost.exe.log
- Size 654B
- SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
- MD5 2ff39f6c7249774be85fd60a8f9a245e
- SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
- SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
- TLSH T1D9F0DD242221E1C489127F111C0D2A4452BF4797B760EE0C7554529FD8312275F203E7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\Conhost.exe
- Size 35KB
- SHA256 a6f4e0e7e0e1d9e87abd91273d14768aa586d0943b7aabfde546f385972e603a
- MD5 e8552ef6e3237ffc2e5a949b5cff8d5f
- SHA1 eea2b8f04958a2753eb4760e5988107905c4005d
- SHA512 0571f5f02218471deb8ca7ad77c1ab393f7c8a8fa9e26f4068949a2a63ce3bd071aa074e8c1ec3dee2a42d2de320c1e1e3a65f37245e263ddaa48f002206c912
- SSDEEP 768:8SEe6sVJbkDgKivqEwTsuwfF19DeO/hR/OCg:efsVJAJo2ToF19DeO/72Cg
- TLSH T1B8F24A48B7A08261C9EE6FF55AB3A1064274A617D913EB5F0CE445DA6F37BC0CE013E6
- MD5 SHA1 SHA512 SSDEEP TLSH