General
- Target Terentiy.exe
- Size 639KB
- Sample260819-wketeasvay
- SHA256 47db89d29ee6f78f8738e9c9702adcc51d6d0c1337ccf29667268b9225dae7a2
- MD5 0bc399eec8591d6e89c7f7f1cebea92c
- SHA1 3ce2370d47de9bde4e45440b1be686f2eef1addf
- SHA512 8bdbbad3c4b50b11214072d740271ed09c4160cfd7f643e90e8ff60a5bc48c4737f9b39695149594aa08ee739fff520f7c42895c2f0c962db0fb43940c92d3bf
- SSDEEP 12288:QqLSiguNr1+mWJLh6F0Y5aEY7dEsbplD0wWCCnnkx6:QqeiguNr1+mWJcF0Y5lY7dj0wWC90
- TLSH T19BD4AE56A79407FDE0B7D178CA869A43F7B2784903606ADB039049B64F336E19E3F712
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Terentiy.exe
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target Terentiy.exe
- Size 639KB
- SHA256 47db89d29ee6f78f8738e9c9702adcc51d6d0c1337ccf29667268b9225dae7a2
- MD5 0bc399eec8591d6e89c7f7f1cebea92c
- SHA1 3ce2370d47de9bde4e45440b1be686f2eef1addf
- SHA512 8bdbbad3c4b50b11214072d740271ed09c4160cfd7f643e90e8ff60a5bc48c4737f9b39695149594aa08ee739fff520f7c42895c2f0c962db0fb43940c92d3bf
- SSDEEP 12288:QqLSiguNr1+mWJLh6F0Y5aEY7dEsbplD0wWCCnnkx6:QqeiguNr1+mWJcF0Y5lY7dj0wWC90
- TLSH T19BD4AE56A79407FDE0B7D178CA869A43F7B2784903606ADB039049B64F336E19E3F712
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (823) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Disables RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Disables cmd.exe use via registry modification
-
Disables use of System Restore points
-
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.
-
Impair Defenses: Safe Mode Boot
-
Adds Run key to start application
-
Drops desktop.ini file(s)
-
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
-
Checks system information in the registry
System information is often read in order to detect sandboxing environments.
-
Drops file in System32 directory
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
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1