General
- Target WindowsFormsApp15.exe
- Size 2.6MB
- Sample260701-2e2nwag18x
- SHA256 8ec68143b71fc516624ecf1a96a1e6afc10649795b7e3b731dc7c2957019e438
- MD5 71264bf9654668fcd78ff8daa7ff18ea
- SHA1 a3d2d97245494a236ab1a17b55f8ed9c09ddf979
- SHA512 b16aa96e9811f6c705c9051d887f278917c3c1e9222f005636d22e73f618b5c3baf9b53d56c4211c8b859c82defc6ccbe171064898ebde5ac0b81b4d526b8b3c
- SSDEEP 49152:rMyvBS7PErfcEkoq2J3Y2pGEau+8eT/8Avh4rOg3/DMwjn3nr:rMyvBSD00EC2Jo22n8AZYMm
- TLSH T1B0C5121817F91A27E27ADE776AF38113AA71F513A831DE0D148503894433BD7AB92F39
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
WindowsFormsApp15.exe
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target WindowsFormsApp15.exe
- Size 2.6MB
- SHA256 8ec68143b71fc516624ecf1a96a1e6afc10649795b7e3b731dc7c2957019e438
- MD5 71264bf9654668fcd78ff8daa7ff18ea
- SHA1 a3d2d97245494a236ab1a17b55f8ed9c09ddf979
- SHA512 b16aa96e9811f6c705c9051d887f278917c3c1e9222f005636d22e73f618b5c3baf9b53d56c4211c8b859c82defc6ccbe171064898ebde5ac0b81b4d526b8b3c
- SSDEEP 49152:rMyvBS7PErfcEkoq2J3Y2pGEau+8eT/8Avh4rOg3/DMwjn3nr:rMyvBSD00EC2Jo22n8AZYMm
- TLSH T1B0C5121817F91A27E27ADE776AF38113AA71F513A831DE0D148503894433BD7AB92F39
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies WinLogon for persistence
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Adds policy Run key to start application
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Blocks application from running via registry modification
Adds application to list of disallowed applications.
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Event Triggered Execution: Image File Execution Options Injection
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Creates new service(s)
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Disables service(s)
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1