General
- Target 123.exe
- Size 500KB
- Sample260623-tyb9bses6n
- SHA256 7f79ddfa12a8079246d75fe301862291ec49cc465c3d274102508404239f26f9
- MD5 5759b121f95a56a976f0439c6a18ee0b
- SHA1 770d5fb0c997138377ca5a241c27c76f6b54a1ad
- SHA512 9273295ae48c7f181c81b46679ac77400ecbde18859a8ca4e09982c08adbebfa51af948ab61fd67f7b8d07a7697577697479a06485002ce47533b6a07f66fa63
- SSDEEP 6144:kztpP5+1ppewQaRBsEfbcBYSyujZY1YZ9PY33kvjnHcOFepZS/99nUAhtb6Txz2c:kbP5EfewQSB3fbGYS+32SSl9t4NK8cxA
- TLSH T1F8B43A24BF988A08E990253E429F5900C7DA91F22532A307770AFF655D49DDEDE2C3DB
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
123.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
123.exe
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
123.exe
Resource
win11ltsc2024-20260618-en
Malware Config
Targets
-
- Target 123.exe
- Size 500KB
- SHA256 7f79ddfa12a8079246d75fe301862291ec49cc465c3d274102508404239f26f9
- MD5 5759b121f95a56a976f0439c6a18ee0b
- SHA1 770d5fb0c997138377ca5a241c27c76f6b54a1ad
- SHA512 9273295ae48c7f181c81b46679ac77400ecbde18859a8ca4e09982c08adbebfa51af948ab61fd67f7b8d07a7697577697479a06485002ce47533b6a07f66fa63
- SSDEEP 6144:kztpP5+1ppewQaRBsEfbcBYSyujZY1YZ9PY33kvjnHcOFepZS/99nUAhtb6Txz2c:kbP5EfewQSB3fbGYS+32SSl9t4NK8cxA
- TLSH T1F8B43A24BF988A08E990253E429F5900C7DA91F22532A307770AFF655D49DDEDE2C3DB
- 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
Persistence
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