General
- Target start.exe
- Size 558KB
- Sample260812-etm3psycpc
- SHA256 fbe1a132a4dda975e349ba6c6d29e79bf247f0f18a1aeec6d80ce16e7e92ccbb
- MD5 0322baf8c0e2e6567934f5d94bde7e84
- SHA1 c25932c7836bc7f749879efe68153c7d8084b852
- SHA512 1d63b187a6871a6ae27dffaf37fa62b4a487b016097a3819a23bdbf2d944aace2b068a366d795ef97b8e0110ab859f70d683a2f6016bf5dc46cdbb6009da09b4
- SSDEEP 6144:lJCVxPDfssFMU23mGk6F0Ew+NtTkyxRFVgylVza9GvPswRXNpBdYu7zbfv/Rd7LA:ls9fssq3mSO6tbYITRXNJ/v7LcmsqA
- TLSH T167C439247F948608E590197E459E1A11C7AA91F226327303371AFF611D8ADDEDF2C3EB
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
start.exe
Resource
win10v2004-20260513-en
Malware Config
Targets
-
- Target start.exe
- Size 558KB
- SHA256 fbe1a132a4dda975e349ba6c6d29e79bf247f0f18a1aeec6d80ce16e7e92ccbb
- MD5 0322baf8c0e2e6567934f5d94bde7e84
- SHA1 c25932c7836bc7f749879efe68153c7d8084b852
- SHA512 1d63b187a6871a6ae27dffaf37fa62b4a487b016097a3819a23bdbf2d944aace2b068a366d795ef97b8e0110ab859f70d683a2f6016bf5dc46cdbb6009da09b4
- SSDEEP 6144:lJCVxPDfssFMU23mGk6F0Ew+NtTkyxRFVgylVza9GvPswRXNpBdYu7zbfv/Rd7LA:ls9fssq3mSO6tbYITRXNJ/v7LcmsqA
- TLSH T167C439247F948608E590197E459E1A11C7AA91F226327303371AFF611D8ADDEDF2C3EB
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Dracula aka Samurai Stealer payload
-
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
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
2AppInit DLLs
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Event Triggered Execution
2AppInit DLLs
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1