General
- Target Solara.exe
- Size 31.0MB
- Sample260910-mn2b5sge82
- SHA256 202b7d774a433ce589b6df96545e09fbd393eb6bc538064052e0c6d9dbb1c482
- MD5 3d40d66271146003b499c7eac08233f8
- SHA1 d35d7f3bd548c15898880711ede0342f7fafc97f
- SHA512 1c7c66f5795d94d43df9b0f0b1382bb2a66eedd64805c0617e8677a5d61a6c2248471d5ae11da6abbf496a380d9b83f68eb987ae6e36ea080fb6324d1c995219
- SSDEEP 6144:dwT5oZj4kxhZsxe6VlWT8b9R9EjmvyxGybgaCuThbFWE:WT5okPVle8n9UDbRCu/W
- TLSH T15967C30CFE91E805DE6E3D77CBE610004B7121C22E21929676996FFC8B9537658E72BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Solara.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Solara.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
sheetrat
-
2.6
-
Sheet_qwrqrmioqhvabi
-
64.188.118.59:4444
Targets
-
- Target Solara.exe
- Size 31.0MB
- SHA256 202b7d774a433ce589b6df96545e09fbd393eb6bc538064052e0c6d9dbb1c482
- MD5 3d40d66271146003b499c7eac08233f8
- SHA1 d35d7f3bd548c15898880711ede0342f7fafc97f
- SHA512 1c7c66f5795d94d43df9b0f0b1382bb2a66eedd64805c0617e8677a5d61a6c2248471d5ae11da6abbf496a380d9b83f68eb987ae6e36ea080fb6324d1c995219
- SSDEEP 6144:dwT5oZj4kxhZsxe6VlWT8b9R9EjmvyxGybgaCuThbFWE:WT5okPVle8n9UDbRCu/W
- TLSH T15967C30CFE91E805DE6E3D77CBE610004B7121C22E21929676996FFC8B9537658E72BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
Detects Sheetrat obfuscated version
Modifies WinLogon for persistence
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1