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General
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Target
XClient.exe
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Size
76KB
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Sample
240220-vcd2gacc66
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MD5
d3953f8988cf3b75478a3c8d103d1e1e
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SHA1
19a8d8f0c06902af448800faf29761a5dba7344c
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SHA256
8367b712426af8646d6350d302a0cd406413fa9a2f28d1bde1df0236282a15ef
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SHA512
cb4436f73f4c7762c4fcc07947f4144b0e8ec8923ff8609532271cdc231f665c36369dc29f013712c90dabb77b960fec4babfc1cff912394fa1de0e53e8aec11
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SSDEEP
1536:0hy4PT1ivp6kJ4pHbkQBh7Q4iMnMg6jOjUKHq:W0Q1bD5iWcOjtq
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240220-en
Malware Config
Extracted
xworm
hydraforce-45677.portmap.io:45677
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Install_directory
%AppData%
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install_file
XClient.exe
Targets
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Target
XClient.exe
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Size
76KB
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MD5
d3953f8988cf3b75478a3c8d103d1e1e
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SHA1
19a8d8f0c06902af448800faf29761a5dba7344c
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SHA256
8367b712426af8646d6350d302a0cd406413fa9a2f28d1bde1df0236282a15ef
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SHA512
cb4436f73f4c7762c4fcc07947f4144b0e8ec8923ff8609532271cdc231f665c36369dc29f013712c90dabb77b960fec4babfc1cff912394fa1de0e53e8aec11
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SSDEEP
1536:0hy4PT1ivp6kJ4pHbkQBh7Q4iMnMg6jOjUKHq:W0Q1bD5iWcOjtq
Score10/10-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Disables Task Manager via registry modification
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Uses the VBS compiler for execution
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Scripting
1