General
- Target xcuyb.exe
- Size 93KB
- Sample261027-jlmt7act2q
- SHA256 ae2c31c0799dd7d8b8a883dc4b87b2d5d86d2c2f91c3f425f1e58c3f72b9dfeb
- MD5 6727e409391ad71996d7e70eaa078544
- SHA1 e8f5d3ff4f58b4f51fe7ab29fb0e865d9b449568
- SHA512 51b8377bd87175d3f16aa8e03604a7068820defbd0df03f904a587b4a05b3dcd8e9a075ec6440602205281e6bc28aaeb856c5e665b7a4e573fad440fe4a87dd2
- SSDEEP 1536:iRB//TRYO47g41/2EaioEdEZ0+z80Cje3ns+6P93lfyIlEFMzfwbi27fvpb1+0l5:8B/VYOY1dZaioWEZHoj4sVfyIl4w27Zn
- TLSH T14B93D100B7F88725D1DD1EF95AF225054278EBA28E23D7DD5DDCA0EF0862B916310F96
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
xcuyb.exe
Resource
win10v2004-20260911-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
xcuyb.exe
Resource
win11ltsc2024-20260911-en
14 signatures
150 seconds
Malware Config
Targets
-
- Target xcuyb.exe
- Size 93KB
- SHA256 ae2c31c0799dd7d8b8a883dc4b87b2d5d86d2c2f91c3f425f1e58c3f72b9dfeb
- MD5 6727e409391ad71996d7e70eaa078544
- SHA1 e8f5d3ff4f58b4f51fe7ab29fb0e865d9b449568
- SHA512 51b8377bd87175d3f16aa8e03604a7068820defbd0df03f904a587b4a05b3dcd8e9a075ec6440602205281e6bc28aaeb856c5e665b7a4e573fad440fe4a87dd2
- SSDEEP 1536:iRB//TRYO47g41/2EaioEdEZ0+z80Cje3ns+6P93lfyIlEFMzfwbi27fvpb1+0l5:8B/VYOY1dZaioWEZHoj4sVfyIl4w27Zn
- TLSH T14B93D100B7F88725D1DD1EF95AF225054278EBA28E23D7DD5DDCA0EF0862B916310F96
- 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