General
- Target ByteBreaker V1_71774249.exe
- Size 702KB
- Sample260814-st87tswfkb
- SHA256 35d5cdf23553b14ad8051f68b1af8199805f06479391888f609af4ed54ed5a63
- MD5 cd85c75fa053954c4ae4ee338d3bcb63
- SHA1 fb2fb89c667d901ef01600dae3f027c7dbfe16be
- SHA512 f0d7e4732df889e6513f67e266c68bf7490c513bb78736b4fac4d90ed49040415a500ae8f0f9b696e100a92c871d5cf80fdb628bec0f42e3a531e1a636873f6d
- SSDEEP 12288:utflJ50c6GeHR6Kjx288tG6rmC0tzeIiZ4fFo:ut9J6MB8gGaUtze74f+
- TLSH T123E48C16B6A801FCE1B7D179C9524912F7B1B847437297CF03A05A66AF2BAE05F3E311
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ByteBreaker V1_71774249.exe
Resource
win10v2004-20260513-en
28 signatures
150 seconds
Behavioral task
behavioral2
Sample
ByteBreaker V1_71774249.exe
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
Malware Config
Targets
-
- Target ByteBreaker V1_71774249.exe
- Size 702KB
- SHA256 35d5cdf23553b14ad8051f68b1af8199805f06479391888f609af4ed54ed5a63
- MD5 cd85c75fa053954c4ae4ee338d3bcb63
- SHA1 fb2fb89c667d901ef01600dae3f027c7dbfe16be
- SHA512 f0d7e4732df889e6513f67e266c68bf7490c513bb78736b4fac4d90ed49040415a500ae8f0f9b696e100a92c871d5cf80fdb628bec0f42e3a531e1a636873f6d
- SSDEEP 12288:utflJ50c6GeHR6Kjx288tG6rmC0tzeIiZ4fFo:ut9J6MB8gGaUtze74f+
- TLSH T123E48C16B6A801FCE1B7D179C9524912F7B1B847437297CF03A05A66AF2BAE05F3E311
- 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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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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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Checks whether UAC is enabled
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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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Suspicious use of NtSetInformationThreadHideFromDebugger