Static task
static1
Behavioral task
behavioral1
Sample
chisel.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
chisel.exe
Resource
win10v2004-20230220-en
General
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Target
chisel.exe
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Size
8.4MB
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MD5
13fd0ff0ac49827e491767467184e98e
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SHA1
91e23e7a405fa1475d513ce4cf326f70022dd60f
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SHA256
b6ecdcc0b98932f1cfeb0ac051a4f16eb445cb1fc36ce37afb2f601a0df4d880
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SHA512
7d8bed94f02011c0512958e6a5cbb610e6aeaa7f135077753a5439cf368672acc2157fe8604b91da65671a53fbce87f00a60c8f19fb8d5dd813abfd5633f3439
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SSDEEP
196608:315FLQNP5sbe7IG4324f9Lw/QP43nLk88:bFsc40jw/l
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource chisel.exe
Files
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chisel.exe.exe windows x64
93a138801d9601e4c36e6274c8b9d111
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
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
QueryFullProcessImageNameA
ProcessIdToSessionId
PostQueuedCompletionStatus
OpenProcess
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateThread
CreateIoCompletionPort
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 4.3MB - Virtual size: 4.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3.6MB - Virtual size: 3.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 373KB - Virtual size: 605KB
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: 164KB - Virtual size: 164KB
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