General
- Target UKVMer.zip
- Size 9.9MB
- Sample250926-e9d5qsdp8x
- SHA256 a50581cd1845d7072037b1f42e30139b6a48cdb0b28edd3368d3bb31a31007bc
- MD5 8ab30d737717734f09bbddd8ad8067c1
- SHA1 fd81a802a1d0c9405e4d3baf149aba9174e09ff0
- SHA512 fc8a937f4d9ada8bae0404cfdd7761fc13520fcf704d407069fce8be7eea344cd0f02657c2b313a0066683c7422a8baf4aa73bef2e4f1ff7a6e6d7d7840a63a4
- SSDEEP 196608:n8VJvPpgAnO6Tlx8PQGlmfXrD2SeuY8JfUnLe+zR7nOhXLdC4WpXZ:nkJJlz3GUfrqLu9JfULJR7nOh7bWpJ
- MD5 SHA1 SHA512 SSDEEP
Behavioral task
behavioral1
Sample
Ars8oOPq.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
Ars8oOPq.exe
Resource
win11-20250610-en
Behavioral task
behavioral3
Sample
UKVMer.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral4
Sample
UKVMer.exe
Resource
win11-20250619-en
Behavioral task
behavioral5
Sample
XPSPLOG.dll
Resource
win10v2004-20250619-en
Behavioral task
behavioral6
Sample
XPSPLOG.dll
Resource
win11-20250619-en
Malware Config
Targets
-
- Target Ars8oOPq.exe
- Size 655KB
- SHA256 d983967db817b40b1303f88abde969ebd3d3914c34607c7715992b7aae86d74d
- MD5 fc7198604edbcd1e85037e2fc580ad73
- SHA1 651b1655bfffdcf4002daa00d1f110853e66cc44
- SHA512 17c1df42f5366ec99d4661cd1a44b97ba26513573cac4d9118f8b667e7e1925c03bd0769158c89252f57c75924f5828fb73e2a1cec5faeee595b0f189f2abbb5
- SSDEEP 12288:SKg71yAoHNWR8bTH7MrcuWE/wove/j24yu/ATnZuPESLnV+pFe:1HNJDMor12mquPZjqc
- MD5 SHA1 SHA512 SSDEEP
Score5/10 -
- Target UKVMer.exe
- Size 145KB
- SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
- MD5 5251b98614acffe5c856f4039ca03da3
- SHA1 c80ed6716e89d4862f28ebbc130ec5aa362db963
- SHA512 d750c9adb08d9525ee9948c0c18c96f0c9520068aa4aa24885ac0d98790a6cc0a8ce0e71e1c669acd4623e0aabfc08c11c02be403f275b01aa4277c4ddab3302
- SSDEEP 3072:VafgcZGuY2TqWLGzwRC7kll1xtBQDTCCvtzaYPFPR/M:Yz8upLGaPQDnFzaYPFdM
- MD5 SHA1 SHA512 SSDEEP
-
UAC bypass
-
Windows security bypass
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Drops file in Drivers directory
-
Possible privilege escalation attempt
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Disables service(s)
-
Modifies file permissions
-
Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
-
- Target XPSPLOG.dll
- Size 4.6MB
- SHA256 8d357b4a4070537b79c8a7c67313b4bc5b4fd8709db6c89a89d7a10d78f8738e
- MD5 809a3665d1d1b88f42c2f7d14e874a6d
- SHA1 522a15bda8399112017c59bce4bdfb0bbe464529
- SHA512 f9cb0f175de3180cff6339bfad8397d683f55b64edd418d97a1406dfdc0ee1e04246614fc8014dafb54d86fcecab0ee1b1d7a57df85449efd426687346dc9552
- SSDEEP 98304:rAy6vQvedEhfukYe5p1IUDet73oEvws1nweUJ:UvBcb5p1IHtr1nwbJ
- MD5 SHA1 SHA512 SSDEEP
Score3/10
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Screensaver
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Screensaver
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify Tools
2Indicator Removal
1Clear Persistence
1Modify Registry
3