General
- Target Bootstrapper.exe
- Size 7.8MB
- Sample260702-n2aa9afx9l
- SHA256 25088123818d76e37a9558f4e5389aabce476412fdc38d2f70832cd23e2b1841
- MD5 f26bdc7c1a96fad39c540a967492663e
- SHA1 29a644a920ac535c733b86762b55a9ead6c52f36
- SHA512 4e37e208e383c0e6a992db3c90a61092d1b0ce520861ccdfe72750be23ef68bba6f779ae6b70821d1842db349c4b015aa9378eac40004bdb6bd584c2ed72a86f
- SSDEEP 196608:RGI9D/huIqm7WLdoz4n0FaGD1BnXOGkvIdrVm1l:QI9lCLWz4noaGDvnXOedhm
- TLSH T1E386238591C4FC43C37229B0968AE31DD9A43F30EE92535762BC796C0A7B7AE905DB13
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
Bootstrapper.exe
Resource
win11ltsc2024-20260629-en
11 signatures
150 seconds
Malware Config
Targets
-
- Target Bootstrapper.exe
- Size 7.8MB
- SHA256 25088123818d76e37a9558f4e5389aabce476412fdc38d2f70832cd23e2b1841
- MD5 f26bdc7c1a96fad39c540a967492663e
- SHA1 29a644a920ac535c733b86762b55a9ead6c52f36
- SHA512 4e37e208e383c0e6a992db3c90a61092d1b0ce520861ccdfe72750be23ef68bba6f779ae6b70821d1842db349c4b015aa9378eac40004bdb6bd584c2ed72a86f
- SSDEEP 196608:RGI9D/huIqm7WLdoz4n0FaGD1BnXOGkvIdrVm1l:QI9lCLWz4noaGDvnXOedhm
- TLSH T1E386238591C4FC43C37229B0968AE31DD9A43F30EE92535762BC796C0A7B7AE905DB13
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Modifies WinLogon for persistence
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1