General
- Target SharkHack-v3.exe
- Size 679.0MB
- Sample260729-25fjbsxwdv
- SHA256 3e1af016c453ccb4d5bf723fcba821f51e34b45f77bda0ef6068405a74d56546
- MD5 73dba6f51f0a0389f9dc8adf03498437
- SHA1 98738d86482ff95b7e3c5e71a04d6c78cf5d44cd
- SHA512 f81b442d09908096b5c4d2fed0b42cf6f1dab43bd5c46a49e24a3e3e991cfcd5d217cd20a928e34d152d1b93b050b51aa95ec2e44ca4a710a0a4ad02aaf4b2ea
- SSDEEP 393216:qrUaNfduzIjHamBgQqX8Jg+mIewqeY2IqwKg6n/oO0gXvtT32NOcCybRmptVdkz:KXu0j6mOQqXIvqeS5InQO0glRiOXkz
- TLSH T17379331CD6E402F4E2FAB1B48F5216AEFA77784E03A2A58F5F617A075E072515F2C702
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
SharkHack-v3.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target SharkHack-v3.exe
- Size 679.0MB
- SHA256 3e1af016c453ccb4d5bf723fcba821f51e34b45f77bda0ef6068405a74d56546
- MD5 73dba6f51f0a0389f9dc8adf03498437
- SHA1 98738d86482ff95b7e3c5e71a04d6c78cf5d44cd
- SHA512 f81b442d09908096b5c4d2fed0b42cf6f1dab43bd5c46a49e24a3e3e991cfcd5d217cd20a928e34d152d1b93b050b51aa95ec2e44ca4a710a0a4ad02aaf4b2ea
- SSDEEP 393216:qrUaNfduzIjHamBgQqX8Jg+mIewqeY2IqwKg6n/oO0gXvtT32NOcCybRmptVdkz:KXu0j6mOQqXIvqeS5InQO0glRiOXkz
- TLSH T17379331CD6E402F4E2FAB1B48F5216AEFA77784E03A2A58F5F617A075E072515F2C702
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Downloads MZ/PE file
-
Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
-
Executes dropped EXE
-
Loads dropped DLL
-
Checks for any installed AV software in registry
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
-
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Peripheral Device Discovery
1Query Registry
5Software Discovery
1Security Software Discovery
1System Information Discovery
4System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1System Time Discovery
1