General
- Target MBSetup-3.3 (1).exe
- Size 2.7MB
- Sample260602-d8h7mac19w
- SHA256 f450cef035a0355bdc9c5da156a92a83ea1ca3787cf8ccc6ace3559c3c1100f9
- MD5 306d298f4ffd7cd8a40031876906ee4e
- SHA1 446bc7b8d09e39215ed60f87c10e785c6083e836
- SHA512 6647303ddbf8169c340088a5a4995a1e6a8fa3ae0d2e557b2f82a9ccc03d9b6edac398bb91afeb407555f01f6a33f5cd4e0aabaaf4644661f594fd1e13b3d638
- SSDEEP 49152:4Ao6kArSe0sKDywnwAeyfvE0Z3R0Tnxn1o2d5ZbCkGa:SWrSe0s+AAeKtwnW2d
- TLSH T177D58D31B2918120E5B3D370297EB7EA5B79BC256F76408F32D8B6390B725C09D35B26
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
MBSetup-3.3 (1).exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
MBSetup-3.3 (1).exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target MBSetup-3.3 (1).exe
- Size 2.7MB
- SHA256 f450cef035a0355bdc9c5da156a92a83ea1ca3787cf8ccc6ace3559c3c1100f9
- MD5 306d298f4ffd7cd8a40031876906ee4e
- SHA1 446bc7b8d09e39215ed60f87c10e785c6083e836
- SHA512 6647303ddbf8169c340088a5a4995a1e6a8fa3ae0d2e557b2f82a9ccc03d9b6edac398bb91afeb407555f01f6a33f5cd4e0aabaaf4644661f594fd1e13b3d638
- SSDEEP 49152:4Ao6kArSe0sKDywnwAeyfvE0Z3R0Tnxn1o2d5ZbCkGa:SWrSe0s+AAeKtwnW2d
- TLSH T177D58D31B2918120E5B3D370297EB7EA5B79BC256F76408F32D8B6390B725C09D35B26
- MD5 SHA1 SHA512 SSDEEP TLSH
Drops file in Drivers directory
Modifies RDP port number used by Windows
Patched UPX-packed file
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
Impair Defenses: Safe Mode Boot
Downloads MZ/PE file
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
ConfuserEx .NET packer
Detects ConfuserEx .NET packer.
Drops file in System32 directory
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Safe Mode Boot
1Modify Registry
3Subvert Trust Controls
2Install Root Certificate
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1