nabucur | 7b2fc5d690e5049292f2baaeb1354691c9dd8fc258dde72d99d40b0dc251442c

General

Target
2026-07-03_064b1df7a7d2554114915cb3d58ddca8_elex_virlock
Size 1.6MB
Sample260703-d1keqaaz9w
SHA256 7b2fc5d690e5049292f2baaeb1354691c9dd8fc258dde72d99d40b0dc251442c
MD5 064b1df7a7d2554114915cb3d58ddca8
SHA1 68f875fd4fbbae7e87b2ce9cf4f6d7c8d238aaf7
SHA512 2edb52ea970dc4e390a149a552e3b231449bdd3b16d1dd2be5c27483ba288dcc879c3825871adfb00a3be587d9bc139383b79e5384ae35130b87892dbfd4a628
SSDEEP 12288:hcR2C9jGiwo6AcDsomXRA1qw5p08eNKRPNM438e:hcLwoRBA1qIqF4RPNM4s
TLSH
T1AE75EDE65DE25D8FA7103760C4601F436A21B8ADD375A07AA1E2E0D9AFDD71CA3D3318
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Targets

- Target
  2026-07-03_064b1df7a7d2554114915cb3d58ddca8_elex_virlock
- Size 1.6MB
- SHA256 7b2fc5d690e5049292f2baaeb1354691c9dd8fc258dde72d99d40b0dc251442c
- MD5 064b1df7a7d2554114915cb3d58ddca8
- SHA1 68f875fd4fbbae7e87b2ce9cf4f6d7c8d238aaf7
- SHA512 2edb52ea970dc4e390a149a552e3b231449bdd3b16d1dd2be5c27483ba288dcc879c3825871adfb00a3be587d9bc139383b79e5384ae35130b87892dbfd4a628
- SSDEEP 12288:hcR2C9jGiwo6AcDsomXRA1qw5p08eNKRPNM438e:hcLwoRBA1qIqF4RPNM4s
- TLSH
  T1AE75EDE65DE25D8FA7103760C4601F436A21B8ADD375A07AA1E2E0D9AFDD71CA3D3318
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

defense_evasion discovery nabucur persistence ransomware spyware stealer trojan adware
- 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 (165) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- 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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1 behavioral2