General
- Target instdoload.1.3.15.exe
- Size 38.8MB
- Sample261003-w3ydgavbme
- SHA256 218e743d49c1060a7d9e1d250ed4fb4372aefc2a0892fadd70f09c4f68a25d16
- MD5 f78c0595544539971782153735a54c67
- SHA1 fe14e4cba14ed0bd6a8bc6edb3f53d2d90d63058
- SHA512 76eff9aa53fcc395eb68226c3fa1cc429d9561e57a8c9a57c3120fc7facea877f563c721f1c917350d58a3e59a2217e518b354f0f524743c28ca4c16f58bf078
- SSDEEP 49152:dF335nW2J++1hhWugAx8z/TdqRD4a85Ejr9CbHd5nYeWgRy:b5L3XLgAm9EHUvy
- TLSH T1AF972C02B6468CC6F54852F45897FAA423FDFCB48AD5C31732E4671EAF9E28C0E83595
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
instdoload.1.3.15.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
instdoload.1.3.15.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target instdoload.1.3.15.exe
- Size 38.8MB
- SHA256 218e743d49c1060a7d9e1d250ed4fb4372aefc2a0892fadd70f09c4f68a25d16
- MD5 f78c0595544539971782153735a54c67
- SHA1 fe14e4cba14ed0bd6a8bc6edb3f53d2d90d63058
- SHA512 76eff9aa53fcc395eb68226c3fa1cc429d9561e57a8c9a57c3120fc7facea877f563c721f1c917350d58a3e59a2217e518b354f0f524743c28ca4c16f58bf078
- SSDEEP 49152:dF335nW2J++1hhWugAx8z/TdqRD4a85Ejr9CbHd5nYeWgRy:b5L3XLgAm9EHUvy
- TLSH T1AF972C02B6468CC6F54852F45897FAA423FDFCB48AD5C31732E4671EAF9E28C0E83595
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Windows security bypass
-
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
-
Loads dropped DLL
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1Clear Persistence
1Modify Registry
2