Static task
static1
Behavioral task
behavioral1
Sample
chfs-windows-x86-3.1.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
chfs-windows-x86-3.1.exe
Resource
win10v2004-20231023-en
General
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Target
7aefd42c6e1e3c5970dfe4e0bc3793e88535b0876bba3cad9c67e801c1518cfc
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Size
3.4MB
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MD5
8c7ca2972946e384e3444ea723ccb2dc
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SHA1
73e2a3e1ae1dec777c359a1c663a4dc85d3d5b6a
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SHA256
7aefd42c6e1e3c5970dfe4e0bc3793e88535b0876bba3cad9c67e801c1518cfc
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SHA512
da6a39432d30c5a4a0d6bfa3447ef91cb96af6ea1cfcf231d9f261c91774d03c19038aecdcbbac574913010f9bf5b6d4252abc1161d579186ade632f92140198
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SSDEEP
98304:WK1LIdA2/gUEqVT4G4UXTlkNq5GFhHTXYe1gxPML9ptQ:WOL4nEo4ZmTCFFGePQ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/chfs-windows-x86-3.1.exe
Files
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7aefd42c6e1e3c5970dfe4e0bc3793e88535b0876bba3cad9c67e801c1518cfc.zip
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chfs-windows-x86-3.1.exe.exe windows:6 windows x86
9cbefe68f395e67356e2a5d8d1b285c0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
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
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 3.8MB - Virtual size: 3.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4.0MB - Virtual size: 4.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 242KB - Virtual size: 464KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 988B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 166KB - Virtual size: 166KB
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