General
- Target BadSnoser.exe
- Size 448KB
- Sample260920-ny59hsaf85
- SHA256 9fe3e8ff6f4b59664cba71dc6f629c66a8de5c767f1cb695e11b2f0fc4d51c32
- MD5 df996ffdaa6f2d8b86ec2cd5352be550
- SHA1 dcb4a005eb5aff0fa813f1a1e395883931eee81e
- SHA512 4742282373ca4730a89daf49029c7570cb98625f8b31cd4bf583838e94fd585dcfff9fd3bdefc5aca2f9345bb8191bda8563bc8d61e2f49854a5d14cd072758b
- SSDEEP 6144:Xe4Oe+SBs/6ByIiue5b82Lv5JDaTwmg0naBcMBqYgdq:jO7S+jIBe2aOTi1BcMwHq
- TLSH T1E6A4C8A7B41E13DAFA2E22BA602E04821BE52073E917512E31D9F57708C531A597FF7C
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
BadSnoser.exe
Resource
win11-20260911-en
Malware Config
Extracted
-
sheetrat
-
1.8
-
Snoser
-
adamsgt-60561.portmap.host:60561
Targets
-
- Target BadSnoser.exe
- Size 448KB
- SHA256 9fe3e8ff6f4b59664cba71dc6f629c66a8de5c767f1cb695e11b2f0fc4d51c32
- MD5 df996ffdaa6f2d8b86ec2cd5352be550
- SHA1 dcb4a005eb5aff0fa813f1a1e395883931eee81e
- SHA512 4742282373ca4730a89daf49029c7570cb98625f8b31cd4bf583838e94fd585dcfff9fd3bdefc5aca2f9345bb8191bda8563bc8d61e2f49854a5d14cd072758b
- SSDEEP 6144:Xe4Oe+SBs/6ByIiue5b82Lv5JDaTwmg0naBcMBqYgdq:jO7S+jIBe2aOTi1BcMwHq
- TLSH T1E6A4C8A7B41E13DAFA2E22BA602E04821BE52073E917512E31D9F57708C531A597FF7C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat Obfuscated Payload
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Modifies WinLogon for persistence
-
Adds policy Run key to start application
-
Disables RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1