Update[.]zip | Triage

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General

Target

Update.zip
Size

415KB
MD5

11c8d1af602c8b053a1dbdc984253434
SHA1

606802ae29d45d81b1f30c07294475a3e12ac637
SHA256

6810e90407cc9a2ddc4bec26d3f3c90b3ddb8215eb1bfd65b224933c2a566d02
SHA512

9074177740bb44fe66bbf5cac9a1b24e988e11d33da3200a88d0bf9f160359ce9756bf85bc3b2d59d0fd19e4002f357a2282f2234408123e6d707e9453b6ffa9
SSDEEP

12288:OcxVOKWjSPBNjJcrO2H9bFrtykf1MMyPes8R:pWu2H9btg4fyPer

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Update.exe

Files

Update.zip
.zip

Password: infected
Update.exe
.exe windows:6 windows x86 arch:x86

02a32319c1a5805c42ff71c370a0c784

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

CloseHandle
WaitForSingleObjectEx
CreateThread
VirtualAlloc
FreeConsole
QueryPerformanceCounter
QueryPerformanceFrequency
Sleep
GetCurrentThreadId
GetExitCodeThread
ReleaseSRWLockExclusive
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
WakeAllConditionVariable
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcess
TerminateProcess
CreateFileW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW

Sections

.text
Size: 140KB - Virtual size: 139KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.bsS
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 314KB - Virtual size: 317KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

02a32319c1a5805c42ff71c370a0c784

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 140KB - Virtual size: 139KB

.bsS Size: 2KB - Virtual size: 1KB

.rdata Size: 41KB - Virtual size: 40KB

.data Size: 314KB - Virtual size: 317KB

.reloc Size: 7KB - Virtual size: 6KB

.text
Size: 140KB - Virtual size: 139KB

.bsS
Size: 2KB - Virtual size: 1KB

.rdata
Size: 41KB - Virtual size: 40KB

.data
Size: 314KB - Virtual size: 317KB

.reloc
Size: 7KB - Virtual size: 6KB