General
- Target bfb04862f23279799919338f00d26c55b914ce9a5dbdf41bc8ef61d8ceb56086.zip
- Size 5.0MB
- Sample260707-c6hmmsgt2w
- SHA256 bfb04862f23279799919338f00d26c55b914ce9a5dbdf41bc8ef61d8ceb56086
- MD5 78b3b7b9af9116883b9b598d14f5eb82
- SHA1 0ff86db54c13a60c08ffd3585d362af63bde1c99
- SHA512 c443c7358106a2715a0d0d2e2d386a9814ef833c7cf574f250141697dbab1254b7c72106abd875405507f844943241c78a1a58bd5e21ec824dfc27754ff7dfa6
- SSDEEP 98304:GMhtL5xiTk/mkoQw4yKj7EOpSc1jbDjQB9/3+DXkAXRVZD2jc8tXO:rL5xiTkd1yKjNpScxjM9/SkAMw
- TLSH T18136334B39F50704EBFB5F9607B4C48288E85B3EFC51532C63E2F7F452679486A1622A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
zinst.6638258015.msi
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
zinst.6638258015.msi
Resource
win11ltsc2024-20260706-en
Malware Config
Targets
-
- Target zinst.6638258015.msi
- Size 5.2MB
- SHA256 012ba7271edb2aab73a0fe0805edaafa0ae27652a2617f0e1eacf06a716e54e2
- MD5 c5de21e8c7eaea1b1a30b42057ce44ae
- SHA1 8187499c3836b18300f32e404a79411565d08bb5
- SHA512 d1c5ebb62ba734bc0491d0bef827daa1496e89a2116c7a705cd62f6c89080663d541fec156f2b9e3a054b144ebac5a91dbf7a3af311080aebc173ab675e56d6a
- SSDEEP 98304:4ByTsw7SGaD1tivkRIUcQaUa6jfUK92s3PpLA9eFnJtM/dWPANhV7V2bcIntt:46aD1tivkzla6jb92shLFnfQWPC0x
- TLSH T1EC4633D9B9C63671D2ABC7B40652A49EBC9C3FD6FEA14C0536D87B001E73A015B3A346
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Windows security bypass
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Possible privilege escalation attempt
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Disables service(s)
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies file permissions
-
Adds Run key to start application
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
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
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Installer Packages
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1Clear Persistence
1Modify Registry
4System Binary Proxy Execution
1Msiexec
1