General
- Target 21072026_1644_SystemSettings.exe.iso
- Size 4.7MB
- Sample260721-t811fa1ajf
- SHA256 57330a90bd9dfa527a3bd5dd617414cce87017d09e6db32c53ef5a46736862eb
- MD5 bca2b0488b8a1e75e68354cb63f10c9b
- SHA1 d6317ce674909d70f46b44c4504d07a87a7f5415
- SHA512 a4d627b2769270e15411cf9759588335ee09644c1f6e7db94ba8c577803ca434c6e3cf54b412a975d4a2fc46943b6c3b3783a176634220cce16c1e50d47a743f
- SSDEEP 98304:6OTOdqPSDP7eaOd4eG0sR+nfhPFeGjVx2Sn4Ia6G3ZgxY1aQD0bG:PTIYSj7eJGevrnfhteGj7nva6+JY
- TLSH T1E53633C72EA87156E4211938782A563C9713BC2502656BCB732FF5292F333EA5E35F12
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
SystemSettings.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Uso_Exclusivo_Interno.pdf.lnk
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
Uso_Exclusivo_Interno.pdf.lnk
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral4
Sample
systemsettings.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral5
Sample
systemsettings.dll
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target SystemSettings.exe
- Size 95KB
- SHA256 d3a50d173af5b0fdd44cbfd7bf7c7471a3b8998eb45c9b49aa2f1c98c9d54ca9
- MD5 bf344c30eeb707bc671e3d1427c58fd7
- SHA1 7f1d5d723d8b911f10149de09de81a286af09a60
- SHA512 f83d74da3f027ce15bed4c6b461583707b4fc6b712fb6ea35344991ccc26d13aebdd81841e6a5be2cd48e834d58776d1c4272a2838cd13ea3a5c6a62129faf63
- SSDEEP 1536:b2RifH09UTamiVQSPyrNfFLerqomIcoKCE45nHQM7rJBP11zBW:b2RifH0KF8QIctoj91w
- TLSH T173A32AC1BEACBA04E47A19307AA1857D6973BE230F10D6EF2563F36D1975BC4AD34A01
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10Detects DonutLoader
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
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.
Suspicious use of SetThreadContext
-
- Target Uso_Exclusivo_Interno.pdf.lnk
- Size 1KB
- SHA256 9b9026cfe84b985450836a2088c62225fc1ab7b266e102a8d495b6338a45c07b
- MD5 306b1a51116835d85aa5c93b0c89a487
- SHA1 f3c722fdfdb98c0c08908e525abf13d25410f09f
- SHA512 9492835b9658aaaa8aef1b0d9c5c513622d2c354dd6571924a992866aec127408baaacd2588e9f9de141419d0ead1e558ad8a9e75cafdceaaed8b0c34fd7d6cd
- TLSH T1A531DD061AD50775E3B18A3294BB96226977BC85E9125F6D00E042881863A02A836F7B
- MD5 SHA1 SHA512 TLSH
Score10/10Detects DonutLoader
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
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.
Suspicious use of SetThreadContext
-
- Target systemsettings.dll
- Size 104KB
- SHA256 8e702485ce297ca9a510aca1841d8e8a436c1c03e1564f005bfa3e8869edb5cd
- MD5 80d262968ea1c37598d52067f2927f58
- SHA1 63ba8e06ce74273fd42aa38d6bf6fb5011125238
- SHA512 8c429199d3dc37335a2a3c9ffd74faba072ed87a80b149781ee9e87df0a8418e64865b9dea63b30d2e701a33c59610c2c708e1cb2ff624d9a54368f522d85bd5
- SSDEEP 3072:6A/eyLKw7Iz9A5Lj1NMsLZ4Cv2GWwD80p5wCDvmXT7RLyzfWC7PlC2nrR+0q6G24:6szLxYkLj1GYRJG2z
- TLSH T1E8A3395B77B540BBE1778238C86B4A45DB72B8414760AFAF43A0465A2F233E19D3DF21
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10Detects DonutLoader
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
Executes dropped EXE
Loads dropped DLL
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.
Suspicious use of SetThreadContext