Static task
static1
Behavioral task
behavioral1
Sample
Cbyte.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Cbyte.exe
Resource
win10v2004-20240508-en
General
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Target
Cbyte.exe
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Size
9.5MB
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MD5
4aae9141713b2d37d1bdd49a2274cded
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SHA1
306d44d968411d7e0746ca0ee60d0e567c59a014
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SHA256
ff8aeedab335053182b63a5ef4da4e02736d1795ec0bcb4a3b028ee7b73d7fe6
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SHA512
daa87d719cf17e9ab0109a6036cc79c1482aa4913bc832e9f9ae716b83f676636d72620647c8baf786bcc537f05f25073111801851aaa17c317949da7b66bc66
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SSDEEP
98304:Z6tD50QvE/QFM0ZVbJ04S3viG53EpJSF84I3X:8eQvE8RHJ04S/i7pMI3X
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Cbyte.exe
Files
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Cbyte.exe.exe windows:6 windows x64 arch:x64
c2d457ad8ac36fc9f18d45bffcd450c2
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
RtlVirtualUnwind
RtlLookupFunctionEntry
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
AddVectoredContinueHandler
Sections
.text Size: 4.6MB - Virtual size: 4.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4.2MB - Virtual size: 4.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 463KB - Virtual size: 1.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 107KB - Virtual size: 107KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 180B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 64KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ