General
- Target xcuyb.exe
- Size 92KB
- Sample261027-hw1classdv
- SHA256 ed368c8d36ef13f6fb2a7d821e30c46b16ca84a1e8ade0f2361ffda3e262ef65
- MD5 b75e015e347e6ec0390bce3e147c38df
- SHA1 eed65ffb4d4bdaf5356d2d816241334832f55426
- SHA512 a3c78d4dd1c0421e23c6af188bc92445bba181cfcefa29080a76266a1c6a379eb7d92615d4726e0e2140f122c0da8956d73279bd46ead9d80b4cec3e7684b7ef
- SSDEEP 1536:Au4/TRYO47g41/2EaioEdEZ0+z80Cje3ns+6P93lfyIlEFMzfwbmQCYBqdSPnpbs:F4VYOY1dZaioWEZHoj4sVfyIl4pXBqka
- TLSH T14D93E10177F88B29D1ED0EF95AB225154374EBA19E26C7DD4DE861EF08737916300FA2
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
xcuyb.exe
Resource
win10v2004-20260911-en
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
xcuyb.exe
Resource
win11ltsc2024-20260911-en
14 signatures
150 seconds
Malware Config
Targets
-
- Target xcuyb.exe
- Size 92KB
- SHA256 ed368c8d36ef13f6fb2a7d821e30c46b16ca84a1e8ade0f2361ffda3e262ef65
- MD5 b75e015e347e6ec0390bce3e147c38df
- SHA1 eed65ffb4d4bdaf5356d2d816241334832f55426
- SHA512 a3c78d4dd1c0421e23c6af188bc92445bba181cfcefa29080a76266a1c6a379eb7d92615d4726e0e2140f122c0da8956d73279bd46ead9d80b4cec3e7684b7ef
- SSDEEP 1536:Au4/TRYO47g41/2EaioEdEZ0+z80Cje3ns+6P93lfyIlEFMzfwbmQCYBqdSPnpbs:F4VYOY1dZaioWEZHoj4sVfyIl4pXBqka
- TLSH T14D93E10177F88B29D1ED0EF95AB225154374EBA19E26C7DD4DE861EF08737916300FA2
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1