Static task
static1
Behavioral task
behavioral1
Sample
chisel.exe
Resource
macos-20220504-en
General
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Target
chisel_1.7.6_windows_amd64.gz.zip
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Size
3.1MB
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MD5
96fed222ca1b28ebdf85e472836f6266
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SHA1
73890848ff2be8bc6576e69da19c3ece64e8791d
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SHA256
aa7e41cdaac1be633e116d462502923f108c3e2085e04e147a24b931a1509ae0
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SHA512
148ad72375f44ef94a089d7b1a756ef93c21cb344655569feb3ab422eae229ba81dd8a878850be84d6a1a5e2d2219f763a0400af8d39202f761dd8667d1dd87a
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SSDEEP
98304:/5yn3D+u2tKrT7HitI04GIebET+X4gIuzph:xyn3DktKreI04e4T+X4Cph
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/chisel.exe
Files
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chisel_1.7.6_windows_amd64.gz.zip.zip
Password: infected
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chisel_1.7.6_windows_amd64.gz.gz
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chisel.exe.exe windows x64
4035d2883e01d64f3e7a9dccb1d63af5
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
Sleep
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 4.2MB - Virtual size: 4.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3.5MB - Virtual size: 3.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 385KB - Virtual size: 695KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 152KB - Virtual size: 151KB
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