General
- Target KumoroClient Setup 1.0.0.exe
- Size 108.1MB
- Sample260620-yrwfvahs6p
- SHA256 6556562366ef58ca07394b2e6920396baf98fed9512fe3a383d2f14bb6fe6a09
- MD5 a00908ccfdb237721b464bec85706b0d
- SHA1 2ba6240380b475913afcf1a71387fcd231eacd98
- SHA512 efa8b959a62fd1d322e55e18ebcc46e2f5a18cb868e7ff2648a464401fae25500662311b98033923983905731b32f789b5249d9cd1d3533b6a437469111d8b54
- SSDEEP 1572864:+6lH6hlGeLzM732UY1iPj3Of7LqFdzLcBdyNyB13jSQDOqWWj1p:+6N6hlGevM7mUCPqFdncBdyNsSgj3
- TLSH T17348335C94E15D79FCBBB83DD192BFA4010630B93B316A8783B91FE93AB11611B39B05
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
KumoroClient Setup 1.0.0.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
KumoroClient Setup 1.0.0.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral3
Sample
KumoroClient Setup 1.0.0.exe
Resource
win11-20260513-en
Behavioral task
behavioral4
Sample
KumoroClient Setup 1.0.0.exe
Resource
win11ltsc2024-20260617-en
Malware Config
Targets
-
- Target KumoroClient Setup 1.0.0.exe
- Size 108.1MB
- SHA256 6556562366ef58ca07394b2e6920396baf98fed9512fe3a383d2f14bb6fe6a09
- MD5 a00908ccfdb237721b464bec85706b0d
- SHA1 2ba6240380b475913afcf1a71387fcd231eacd98
- SHA512 efa8b959a62fd1d322e55e18ebcc46e2f5a18cb868e7ff2648a464401fae25500662311b98033923983905731b32f789b5249d9cd1d3533b6a437469111d8b54
- SSDEEP 1572864:+6lH6hlGeLzM732UY1iPj3Of7LqFdzLcBdyNyB13jSQDOqWWj1p:+6N6hlGevM7mUCPqFdncBdyNsSgj3
- TLSH T17348335C94E15D79FCBBB83DD192BFA4010630B93B316A8783B91FE93AB11611B39B05
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Windows security bypass
-
Disables Task Manager via registry modification
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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
-
Enumerates processes with tasklist
MITRE ATT&CK Enterprise v16
Defense Evasion
Hide Artifacts
1Ignore Process Interrupts
1Impair Defenses
2Disable or Modify Tools
2Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1