General
- Target Yuvo Installer 1.0.0.exe
- Size 72.1MB
- Sample260820-yxs8nsfe93
- SHA256 3e5bdcefd1ed4634681dc4c56dbd99757598f16805ad89faaf767896fc135b87
- MD5 d7126b117f2277a2b0d30cf5e80c48f6
- SHA1 e16602adbcc28ef347cc2221152088e3dc03f8c0
- SHA512 cd2d476ff35888eca6ed588ae5cfcf77d3efe08fb9cd6482a4fbaa5fb129fc63b4176ea2c38ab24893abbb588584af054e6eeb15c96bc078e515ed64866ce16d
- SSDEEP 1572864:jejOYfLjhCgaQoNlf/s+NVk8aajrnR3HUO7KcjJ7:j4JCEyl97ZjN30O7KcjJ7
- TLSH T194F733ABD7C2F217E5E1F4337312A91CDF159CD71A6968AF41FE14B870A0C123AD891A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Yuvo Installer 1.0.0.exe
Resource
win10v2004-20260513-en
Malware Config
Targets
-
- Target Yuvo Installer 1.0.0.exe
- Size 72.1MB
- SHA256 3e5bdcefd1ed4634681dc4c56dbd99757598f16805ad89faaf767896fc135b87
- MD5 d7126b117f2277a2b0d30cf5e80c48f6
- SHA1 e16602adbcc28ef347cc2221152088e3dc03f8c0
- SHA512 cd2d476ff35888eca6ed588ae5cfcf77d3efe08fb9cd6482a4fbaa5fb129fc63b4176ea2c38ab24893abbb588584af054e6eeb15c96bc078e515ed64866ce16d
- SSDEEP 1572864:jejOYfLjhCgaQoNlf/s+NVk8aajrnR3HUO7KcjJ7:j4JCEyl97ZjN30O7KcjJ7
- TLSH T194F733ABD7C2F217E5E1F4337312A91CDF159CD71A6968AF41FE14B870A0C123AD891A
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
-
Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
-
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1