ac5e09927cf29318eeb315cf02cd19992afcc151de228192d332bb83e034aaaf (3)[.]zip

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General

Target

ac5e09927cf29318eeb315cf02cd19992afcc151de228192d332bb83e034aaaf (3).zip
Size

191KB
MD5

2c0597e4e0ee5bac25e8605d29f99eb9
SHA1

75ea0337104037ace7739d2ad9aa6737f380fbaa
SHA256

ac5e09927cf29318eeb315cf02cd19992afcc151de228192d332bb83e034aaaf
SHA512

dc22feb07dffa402637e64d4c738299c86c7e1d05a7a2e308b990974236305a67a27134232ae0a45b605ef42ae060ce11c6f3c556e62b642f8e4b5c1db0c31d0
SSDEEP

3072:SjvYjytP2KrZr4vEcmnK+WX7O1m00XmxsmSchcZM2MC0Ldq/eiFlXU2IcGvgBJ60:VWJ2sAEcmnK+YS1GWSmFavL0L0NFF4gb

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/20250407_KoiLoader_Samples/avourhtv.exe

Files

ac5e09927cf29318eeb315cf02cd19992afcc151de228192d332bb83e034aaaf (3).zip
.zip
20250407_KoiLoader_Samples/avourhtv.exe
.exe windows:6 windows x86 arch:x86

66deda4204cb009d8c01c3f28c17567f

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

VirtualFree
GetCurrentProcess
VirtualAlloc
TerminateProcess
GetModuleHandleA
GetLastError
GetProcAddress
ExitProcess
VirtualProtect
BuildCommDCBAndTimeoutsA
WriteConsoleW
CloseHandle
CreateFileW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
HeapReAlloc
HeapSize
GetModuleHandleW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwind
RaiseException
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
GetModuleHandleExW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
LCMapStringW
GetProcessHeap
DecodePointer

gdi32

LPtoDP

Sections

.text
Size: 69KB - Virtual size: 68KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 124KB - Virtual size: 124KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
20250407_KoiLoader_Samples/covalencesxjiY.php
.js
20250407_KoiLoader_Samples/revettedYf.ps1
.ps1
20250407_KoiLoader_Samples/sd2.ps1
.ps1

Sharing

General

Malware Config

Signatures

Files

66deda4204cb009d8c01c3f28c17567f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

gdi32

Sections

.text Size: 69KB - Virtual size: 68KB

.rdata Size: 29KB - Virtual size: 28KB

.data Size: 2KB - Virtual size: 5KB

.rsrc Size: 124KB - Virtual size: 124KB

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 69KB - Virtual size: 68KB

.rdata
Size: 29KB - Virtual size: 28KB

.data
Size: 2KB - Virtual size: 5KB

.rsrc
Size: 124KB - Virtual size: 124KB

.reloc
Size: 5KB - Virtual size: 4KB