nabucur | 92dfef4b982bef1c1df1a1585907473f25eaf4ed878dacafb3df1cf4d9a5f552

General

Target
2026-07-10_a495857e083bae8dfeac41c6a6d8c22f_elex_virlock
Size 633KB
Sample260710-15gkyscs9j
SHA256 92dfef4b982bef1c1df1a1585907473f25eaf4ed878dacafb3df1cf4d9a5f552
MD5 a495857e083bae8dfeac41c6a6d8c22f
SHA1 24eb0e75b9558764c2cda7e949864de107c49908
SHA512 5eb8d7ad98d06fa3c158f1679a38c85b95511c030a5abf15c8e0ba071eb8a398397f709e7735144ae83febcfbc797915ba7819c8aac029900f13965b21c5d690
SSDEEP 12288:+iTWUvPaAPNTuJvcCwAehoUM/pMxlKADP/pB7gkrkRne55:+TgPNiBTwhhm+zKiB7/rkRe55
TLSH
T120D4BFE317D3E9A794EEC83BCE5009BFFB5C0560AC1A93F293F25555A13F62809688D1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Targets

- Target
  2026-07-10_a495857e083bae8dfeac41c6a6d8c22f_elex_virlock
- Size 633KB
- SHA256 92dfef4b982bef1c1df1a1585907473f25eaf4ed878dacafb3df1cf4d9a5f552
- MD5 a495857e083bae8dfeac41c6a6d8c22f
- SHA1 24eb0e75b9558764c2cda7e949864de107c49908
- SHA512 5eb8d7ad98d06fa3c158f1679a38c85b95511c030a5abf15c8e0ba071eb8a398397f709e7735144ae83febcfbc797915ba7819c8aac029900f13965b21c5d690
- SSDEEP 12288:+iTWUvPaAPNTuJvcCwAehoUM/pMxlKADP/pB7gkrkRne55:+TgPNiBTwhhm+zKiB7/rkRe55
- TLSH
  T120D4BFE317D3E9A794EEC83BCE5009BFFB5C0560AC1A93F293F25555A13F62809688D1
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

defense_evasion discovery nabucur persistence ransomware spyware stealer trojan
- Family: Nabucur
  Nabucur is a ransomware first seen in 2015.
  ransomware nabucur
- Modifies visibility of file extensions in Explorer
  defense_evasion
- UAC bypass
  defense_evasion trojan
- Renames multiple (112) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
behavioral1 behavioral2