download[.]zip

Resubmissions

31/10/2023, 10:33

231031-mlhf9afd6z 7

31/10/2023, 10:29

231031-mjjarsfd5t 3

Sharing

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General

Target

download.zip
Size

797KB
MD5

6026e2fba404d071180514a50a9f8080
SHA1

41e694d332330eab93f1613d4c8ffff6c2be71ec
SHA256

5c2f35e002d2fc93a48d1ebf20e62b7cef060c6af923b1ffff0954c8f7d8bf06
SHA512

139bec146958af6da39858012758319885bc979be5bc0b32887e71e15fdce73a7796dadd73b3b69aa373bba8b2db32e2d2bb419b02c4969906f917329bfb424a
SSDEEP

12288:Adz85XtDVv472wUo8rpvNRgF+U62puv3SYTpT9IdLJRpYhP4vROt9Dz8PR:Cyx4/CxvgFf0aKIdhYhPuROt9v8PR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/nwl415x2fc.dll

Files

download.zip
.zip
exv.exe
.exe windows:5 windows x86

bba57ba7b9662999a72eae1b261cc85e

Code Sign

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cf
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

12/05/2022, 20:46

Not After

11/05/2023, 20:46

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7f:08:ba:7d:cb:58:14:b7:3b:68:74:fe:d2:6a:3b:46:92:5d:0a:be:89:07:cd:46:5f:9d:7e:bb:ea:ae:fb:f0
Signer

Actual PE Digest

7f:08:ba:7d:cb:58:14:b7:3b:68:74:fe:d2:6a:3b:46:92:5d:0a:be:89:07:cd:46:5f:9d:7e:bb:ea:ae:fb:f0

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

nwl415x2fc

GetInstallDetailsPayload
SignalInitializeCrashReporting

advapi32

EventRegister
EventUnregister
EventWrite
RegCloseKey
RegGetValueW
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

winmm

timeGetTime

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileMappingW
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureStackBackTrace
RtlUnwind
SetCurrentDirectoryW
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetProcessShutdownParameters
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath

ole32

CoCreateInstance
CoTaskMemFree

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
VariantClear

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 627KB - Virtual size: 626KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 94KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 77KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 149B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 124B

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
nwl415x2fc.dll
.dll windows:4 windows x86

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

mscoree

_CorDllMain

Exports

Exports

GetInstallDetailsPayload
SignalInitializeCrashReporting

Sections

.text
Size: 284KB - Virtual size: 284KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.sdata
Size: 512B - Virtual size: 140B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 976B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.text
Size: 775KB - Virtual size: 775KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 976B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

bba57ba7b9662999a72eae1b261cc85e

Code Sign

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cfCertificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

7f:08:ba:7d:cb:58:14:b7:3b:68:74:fe:d2:6a:3b:46:92:5d:0a:be:89:07:cd:46:5f:9d:7e:bb:ea:ae:fb:f0Signer

Headers

DLL Characteristics

File Characteristics

Imports

nwl415x2fc

advapi32

winmm

kernel32

shell32

ole32

oleaut32

Exports

Exports

Sections

.text Size: 627KB - Virtual size: 626KB

.rdata Size: 94KB - Virtual size: 94KB

.data Size: 15KB - Virtual size: 77KB

.00cfg Size: 512B - Virtual size: 4B

.tls Size: 512B - Virtual size: 149B

.voltbl Size: 512B - Virtual size: 124B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 26KB - Virtual size: 25KB

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Exports

Exports

Sections

.text Size: 284KB - Virtual size: 284KB

.sdata Size: 512B - Virtual size: 140B

.rsrc Size: 1024B - Virtual size: 976B

.reloc Size: 512B - Virtual size: 16B

.text Size: 775KB - Virtual size: 775KB

.rsrc Size: 1024B - Virtual size: 976B

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cf
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

7f:08:ba:7d:cb:58:14:b7:3b:68:74:fe:d2:6a:3b:46:92:5d:0a:be:89:07:cd:46:5f:9d:7e:bb:ea:ae:fb:f0
Signer

.text
Size: 627KB - Virtual size: 626KB

.rdata
Size: 94KB - Virtual size: 94KB

.data
Size: 15KB - Virtual size: 77KB

.00cfg
Size: 512B - Virtual size: 4B

.tls
Size: 512B - Virtual size: 149B

.voltbl
Size: 512B - Virtual size: 124B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 26KB - Virtual size: 25KB

.text
Size: 284KB - Virtual size: 284KB

.sdata
Size: 512B - Virtual size: 140B

.rsrc
Size: 1024B - Virtual size: 976B

.reloc
Size: 512B - Virtual size: 16B

.text
Size: 775KB - Virtual size: 775KB

.rsrc
Size: 1024B - Virtual size: 976B