General
- Target Solara_FIX.exe
- Size 560KB
- Sample260517-k187eah16k
- SHA256 0c71f48d44a74efb798881c84e4ede7906f1342567500558ba7155c12abf090a
- MD5 528692ce69d9415545e49f75808a592e
- SHA1 40f5de29db778a59ac0d7dd9891fa875dbb72f3b
- SHA512 f88d3f2e1713aef4cbd40c8413eaff04d18447a7031bd1373e2cf4b3596ef6a55df5389af65a2b02db54d29e1d60f36dbbe9bdff529897a838d5e073f3bd02ac
- SSDEEP 6144:nsWFHmARaVBdnns33mOhU5ucuacqUgtGc6lZr3Rs2+1ycc0mtYh4QecqdeECnyMf:iAMVBFsmQcYxZC6e6AtVLHL
- TLSH T1BCC43A147F998A09E4802A3E455E1604DBAED5F126327303370AFF624D059DEEE6D3EB
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Solara_FIX.exe
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target Solara_FIX.exe
- Size 560KB
- SHA256 0c71f48d44a74efb798881c84e4ede7906f1342567500558ba7155c12abf090a
- MD5 528692ce69d9415545e49f75808a592e
- SHA1 40f5de29db778a59ac0d7dd9891fa875dbb72f3b
- SHA512 f88d3f2e1713aef4cbd40c8413eaff04d18447a7031bd1373e2cf4b3596ef6a55df5389af65a2b02db54d29e1d60f36dbbe9bdff529897a838d5e073f3bd02ac
- SSDEEP 6144:nsWFHmARaVBdnns33mOhU5ucuacqUgtGc6lZr3Rs2+1ycc0mtYh4QecqdeECnyMf:iAMVBFsmQcYxZC6e6AtVLHL
- TLSH T1BCC43A147F998A09E4802A3E455E1604DBAED5F126327303370AFF624D059DEEE6D3EB
- MD5 SHA1 SHA512 SSDEEP TLSH
Modifies WinLogon for persistence
Modifies boot configuration data using bcdedit
Renames multiple (7606) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Disables RegEdit via registry modification
Disables Task Manager via registry modification
Event Triggered Execution: Image File Execution Options Injection
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Impair Defenses: Safe Mode Boot
Adds Run key to start application
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Drops file in System32 directory
Hide Artifacts: Hidden Files and Directories
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Safe Mode Boot
1Modify Registry
3