General
- Target ByteBreaker V2_21580430.exe
- Size 583KB
- Sample260705-b9evgsb18k
- SHA256 ddbd930cf742882ea6cc10ea5495f8aec24003664b81257c1b3900f3627b6684
- MD5 7392e839c67ba537093c55353be265ba
- SHA1 7c9bce283d6eb9b49dcdcc850e66e0148dc30d71
- SHA512 07ccf85180c1d63cc03f9d0ff986d0c704f1ac7719e6f7bec56d32f397eb4400a623a19954914b1d391270ce0b08226ee48f92462c7ec2b6ee29500a36ca0617
- SSDEEP 12288:w7yjhihTaVWs+OfaOp0XWgWasfMJo7WLrc7SrnTGf0TRz4hTB2eLsHjlsGk8y:yyjz99asfnyNrnTe0TShhLijlsGJy
- TLSH T132D49E123592C036C5B111B01929EFA690BEBD344F7245DBA7D41B2EDB346F26F31A3A
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
ByteBreaker V2_21580430.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target ByteBreaker V2_21580430.exe
- Size 583KB
- SHA256 ddbd930cf742882ea6cc10ea5495f8aec24003664b81257c1b3900f3627b6684
- MD5 7392e839c67ba537093c55353be265ba
- SHA1 7c9bce283d6eb9b49dcdcc850e66e0148dc30d71
- SHA512 07ccf85180c1d63cc03f9d0ff986d0c704f1ac7719e6f7bec56d32f397eb4400a623a19954914b1d391270ce0b08226ee48f92462c7ec2b6ee29500a36ca0617
- SSDEEP 12288:w7yjhihTaVWs+OfaOp0XWgWasfMJo7WLrc7SrnTGf0TRz4hTB2eLsHjlsGk8y:yyjz99asfnyNrnTe0TShhLijlsGJy
- TLSH T132D49E123592C036C5B111B01929EFA690BEBD344F7245DBA7D41B2EDB346F26F31A3A
- MD5 SHA1 SHA512 SSDEEP TLSH
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
3Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Virtualization/Sandbox Evasion
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Network Share Discovery
1Peripheral Device Discovery
1Query Registry
7System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1System Time Discovery
1Virtualization/Sandbox Evasion
1