Static task
static1
Behavioral task
behavioral1
Sample
3Zz4Fb23.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
3Zz4Fb23.exe
Resource
win10-20231020-en
General
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Target
3Zz4Fb23.exe
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Size
184KB
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MD5
71b4128bc6bc6ae6a35de3d36104688b
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SHA1
7c5b22d66ae2231b4ae11cf22f98b872c4d6cd2b
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SHA256
61f6479f398a3de3c6824ef5b9138e5a31bc9b66deb101cd049c892082d2951b
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SHA512
57a6ce0bc2f9b7704f46b45b3fee2412c524b7637530c90d2f42d9f15874a60833bc6eeebef3a5ec6768e31abbcea1a3cca2aaecdb05a8810886a9c721b3ecf1
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SSDEEP
3072:BiA6dj2OGfZH6VpZkblgnqqSsqRLAHlvEviDPjwEt5MjLOhEZQGFpAdPCZo3824f:U92Oh+beqqSPWFveiw5oECGfoe28
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3Zz4Fb23.exe
Files
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3Zz4Fb23.exe.exe windows:5 windows x86
120fcd59b8cf88c88d1af5610e72d569
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
Imports
kernel32
WriteFile
VirtualFree
VirtualAlloc
WaitForSingleObject
CloseHandle
CreateThread
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
GetStdHandle
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
HeapReAlloc
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
DecodePointer
Sections
.text Size: 140KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ