libcurl[.]dll[.]exe

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General

Target
libcurl.dll.exe
Size 2.7MB
Sample260925-vgcdfasy5m
SHA256 5c040ba67c02acc06970fc235ae0ea78d7832b84c7aa23ea16d79e99fe97a415
MD5 a52e69e9862145c96cda0c7eb7d93916
SHA1 05fa30387f29a994e22e09829eac230fcdbab5f0
SHA512 b2e35b0a5a16f12a174b8e066a5005077bfdf999d8b438b794f663e2ffbd7cf4db572d6dcfd29245ac94431aa71e3749bdb4950de5502980de608cc075153e0d
SSDEEP 24576:h3rWqWnCxWsD45wYU1Ko2wH5kiSWetXpjdR5cygQwFN8mO5sP36mDC0wnJohSJ:csKwLswWEeHfGm0wnah
TLSH
T15DD59F411B47995AFD125230E90B56B2C9AE378107631C7A4A6CCB5136B89CECEBF34F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
libcurl.dll.exe

File Explorer

libcurl.dll.exe

.dll 2.7MB

libcurl.dll.exe

IMPHASH 09fbad21c31db4b3df5b6b84877025bb
SHA256 5c040ba67c02acc06970fc235ae0ea78d7832b84c7aa23ea16d79e99fe97a415
MD5 a52e69e9862145c96cda0c7eb7d93916
SHA1 05fa30387f29a994e22e09829eac230fcdbab5f0
SHA512 b2e35b0a5a16f12a174b8e066a5005077bfdf999d8b438b794f663e2ffbd7cf4db572d6dcfd29245ac94431aa71e3749bdb4950de5502980de608cc075153e0d
SSDEEP 24576:h3rWqWnCxWsD45wYU1Ko2wH5kiSWetXpjdR5cygQwFN8mO5sP36mDC0wnJohSJ:csKwLswWEeHfGm0wnah
TLSH
T15DD59F411B47995AFD125230E90B56B2C9AE378107631C7A4A6CCB5136B89CECEBF34F
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

1706772

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

kernel32

CloseHandle CreateFileW CreateProcessA CreateProcessW DeleteCriticalSection EnterCriticalSection ExitProcess FindClose FindFirstFileExW FindNextFileW FlushFileBuffers FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetEnvironmentStringsW GetFileType GetLastError GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime GetTempPathW GetTickCount HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount InitializeSListHead InterlockedFlushSList IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage LCMapStringW LeaveCriticalSection LoadLibraryExW MultiByteToWideChar QueryPerformanceCounter RaiseException RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter Sleep TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter VirtualAlloc VirtualFree WaitForSingleObject WideCharToMultiByte WriteConsoleW WriteFile lstrcatA lstrcatW lstrcpyW lstrlenW

user32

MessageBoxA

advapi32

AllocateAndInitializeSid CheckTokenMembership FreeSid

bcrypt

BCryptCloseAlgorithmProvider BCryptDecrypt BCryptDestroyKey BCryptGenerateSymmetricKey BCryptOpenAlgorithmProvider BCryptSetProperty

crypt32

CryptStringToBinaryA

shell32

SHGetFolderPathA ShellExecuteA

winmm

timeGetTime

comdlg32

GetOpenFileNameA

gdi32

CreateSolidBrush DeleteObject

ole32

CoInitializeEx CoUninitialize

wininet

HttpOpenRequestA InternetCloseHandle InternetConnectA InternetOpenA

Name

.text

Size

1.7MB

Virtual Size

1.7MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

1.0MB

Virtual Size

1.0MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

4KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.00cfg

Size

512B

Virtual Size

56B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

1024B

Virtual Size

792B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

libcurl.dll.exe

kernel32

user32

advapi32

bcrypt

crypt32

shell32

winmm

comdlg32

gdi32

ole32

wininet

generic