General
- Target solara.exe
- Size 310KB
- Sample260711-p7ba6sa18n
- SHA256 763de5c1e5335f0fc85be4967db62113f8c35956b45e376e1263128791b523eb
- MD5 df3ac46b9ea57a4655ba433037ff240a
- SHA1 59776a3c089880c6843a74eb9345fbab1a3042e7
- SHA512 893b7f502edf0d94d15c611eb5ae4c851c7344213bd519522034513a9a7c68696c12f3cb97b0191eaadcf5926a1a971de2ac05fc10b3b64b3882a8b7ebca380e
- SSDEEP 6144:VAm1AA4j2Srq3r209Zg9QuTbNcDCBrTl9TxHmSUscLk:ua4CSrq36/6uBrrTZ5
- TLSH T11564F80CBE51F904CEAE3D73CBE650605B7221C23F229256375A6EF847553B689A31BC
- 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
-
2.6.4
-
tcp.niceports.shop:22265
Targets
-
- Target solara.exe
- Size 310KB
- SHA256 763de5c1e5335f0fc85be4967db62113f8c35956b45e376e1263128791b523eb
- MD5 df3ac46b9ea57a4655ba433037ff240a
- SHA1 59776a3c089880c6843a74eb9345fbab1a3042e7
- SHA512 893b7f502edf0d94d15c611eb5ae4c851c7344213bd519522034513a9a7c68696c12f3cb97b0191eaadcf5926a1a971de2ac05fc10b3b64b3882a8b7ebca380e
- SSDEEP 6144:VAm1AA4j2Srq3r209Zg9QuTbNcDCBrTl9TxHmSUscLk:ua4CSrq36/6uBrrTZ5
- TLSH T11564F80CBE51F904CEAE3D73CBE650605B7221C23F229256375A6EF847553B689A31BC
- MD5 SHA1 SHA512 SSDEEP TLSH
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
Modifies WinLogon for persistence
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
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1