General
- Target RyzenCS2.exe
- Size 249KB
- Sample261014-laarlafd73
- SHA256 9b8b88121424ebcb52b511000ecbe0f7f7c3f9e45a622cd563582d81806ada19
- MD5 2a57f62c3c72e1d9c63b52213a78d9d1
- SHA1 9a3e2f5a1dcf63598ef9aa432f39b73c3c898fa9
- SHA512 b115bc6508d7c8bd78758ce5bc81c85271a09ac8e97cd85396f62bda2be325fc2ed6d30417f85b538409fbfae6186a508e019ed077be6c18d1920ab1e6b7ffd4
- SSDEEP 6144:655b9eTEnmRvoicmN+Lji7Bx9vKmDFiop:655BUvoP47
- TLSH T12544F87E32848F11DB943572C0EB913847E1ED926236BB8A3F5836790913677ED097CA
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
RyzenCS2.exe
Resource
win10ltsc2021-20260911-uk
Malware Config
Targets
-
- Target RyzenCS2.exe
- Size 249KB
- SHA256 9b8b88121424ebcb52b511000ecbe0f7f7c3f9e45a622cd563582d81806ada19
- MD5 2a57f62c3c72e1d9c63b52213a78d9d1
- SHA1 9a3e2f5a1dcf63598ef9aa432f39b73c3c898fa9
- SHA512 b115bc6508d7c8bd78758ce5bc81c85271a09ac8e97cd85396f62bda2be325fc2ed6d30417f85b538409fbfae6186a508e019ed077be6c18d1920ab1e6b7ffd4
- SSDEEP 6144:655b9eTEnmRvoicmN+Lji7Bx9vKmDFiop:655BUvoP47
- TLSH T12544F87E32848F11DB943572C0EB913847E1ED926236BB8A3F5836790913677ED097CA
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Executes a file named after a Windows system binary
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
-
Executes dropped EXE
-
Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
-
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.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Masquerading
1Match Legitimate Name or Location
1Modify Registry
1Pre-OS Boot
1Bootkit
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3