General
- Target Terentiy.exe
- Size 656KB
- Sample260831-wpw89adr6z
- SHA256 88fca3734364996136a4f2e8c436f4b8ff94ccdcb805b835e74c83f6e7b0a69a
- MD5 25b860c417d3da7e8f5dfedda8539f15
- SHA1 32cf206c777268f22a9eb6610feb48d0cb732907
- SHA512 d999060720ce6ad0182e6cd76ca2c9e831c3472f6923182bda529e2d2ebb12254d59f43fc70cf72c521ab9f7eb059a9284968e0b22e440ff7f074e53967dac31
- SSDEEP 12288:lQRd5P5Ql55AwqiPQzrr9SJtIZ+ok869nYIb5bVsZUsZimFibgxbDJbTb8b8b6mi:lQ75P5Ql55Awrkr5SJ6ZRkb1t+0wWC90
- TLSH T1DBE49E56A3A407F8E0B7D578CE929943F7B1784907A06ADB03904A764F336E19E3F712
- 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 656KB
- SHA256 88fca3734364996136a4f2e8c436f4b8ff94ccdcb805b835e74c83f6e7b0a69a
- MD5 25b860c417d3da7e8f5dfedda8539f15
- SHA1 32cf206c777268f22a9eb6610feb48d0cb732907
- SHA512 d999060720ce6ad0182e6cd76ca2c9e831c3472f6923182bda529e2d2ebb12254d59f43fc70cf72c521ab9f7eb059a9284968e0b22e440ff7f074e53967dac31
- SSDEEP 12288:lQRd5P5Ql55AwqiPQzrr9SJtIZ+ok869nYIb5bVsZUsZimFibgxbDJbTb8b8b6mi:lQ75P5Ql55Awrkr5SJ6ZRkb1t+0wWC90
- TLSH T1DBE49E56A3A407F8E0B7D578CE929943F7B1784907A06ADB03904A764F336E19E3F712
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Renames multiple (829) 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
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Disables cmd.exe use via registry modification
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Disables use of System Restore points
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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.
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Impair Defenses: Safe Mode Boot
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Adds Run key to start application
-
Checks whether UAC is enabled
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Drops desktop.ini file(s)
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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.
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