gcleaner | 4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0

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General

Target
4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0
Size 182KB
Sample260917-ryzzaascna
SHA256 4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0
MD5 6e498edbbe493b3daaae9ae0617a295d
SHA1 5ea50196f509e59a1226889f4bdafa0f58c72e95
SHA512 6ca4472d454dff7c9b264e3c30f2919873bf61a8c9c49055216f73bafa251f2851800d582d8a89533bce00d2f8d3a79216614a824120deaca558807633dec9e8
SSDEEP 3072:tsSwJZRRZsNEvNXUnz3T1pLlsOyu/Qyor1/TSPqNkPpkB2wOc:OSwJ/RO+VczTjlByu/QluKB2Tc
TLSH
T167048C5AB952C03BC45F093049759E55897CFCA14BA3AACB73801DE68D70AE4A737B33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

loader gcleaner

Malware Config

Extracted

Family

gcleaner

185.156.73.98
45.91.200.135

Signatures

Family: GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0

File Explorer

4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0

.exe 182KB

4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0

IMPHASH dec96e08ab6f48a7109f30daff0ff371
SHA256 4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0
MD5 6e498edbbe493b3daaae9ae0617a295d
SHA1 5ea50196f509e59a1226889f4bdafa0f58c72e95
SHA512 6ca4472d454dff7c9b264e3c30f2919873bf61a8c9c49055216f73bafa251f2851800d582d8a89533bce00d2f8d3a79216614a824120deaca558807633dec9e8
SSDEEP 3072:tsSwJZRRZsNEvNXUnz3T1pLlsOyu/Qyor1/TSPqNkPpkB2wOc:OSwJ/RO+VczTjlByu/QluKB2Tc
TLSH
T167048C5AB952C03BC45F093049759E55897CFCA14BA3AACB73801DE68D70AE4A737B33
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

43609

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

kernel32

LocalAlloc GetLastError LoadLibraryA GetNativeSystemInfo HeapAlloc GetProcAddress LocalFree GetProcessHeap FreeLibrary FormatMessageA IsBadReadPtr VirtualAlloc FindClose GetCommandLineA Sleep GetTempPathA CreateDirectoryA HeapSize GetFileSizeEx OutputDebugStringA VirtualFree SetLastError HeapFree VirtualProtect WideCharToMultiByte CloseHandle CreateFileA MultiByteToWideChar WriteFile GetConsoleOutputCP FlushFileBuffers CreateFileW SetStdHandle FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetOEMCP GetACP IsValidCodePage FindNextFileW FindFirstFileExW HeapReAlloc EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer GetStringTypeW GetCPInfo UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent ReleaseSRWLockExclusive AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW IsDebuggerPresent GetStartupInfoW GetModuleHandleW QueryPerformanceCounter GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead RtlUnwind RaiseException InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW ExitProcess GetModuleHandleExW GetModuleFileNameW GetStdHandle SetFilePointerEx GetConsoleMode GetFileType FlsAlloc FlsGetValue FlsSetValue FlsFree LCMapStringW WriteConsoleW

user32

MessageBoxA

advapi32

CryptDestroyKey RegCloseKey CryptAcquireContextW RegCreateKeyExA CryptDecrypt CryptCreateHash CryptDeriveKey CryptHashData RegSetValueExA RegOpenKeyExA CryptReleaseContext

shell32

SHGetFolderPathA

ole32

CoInitialize CoCreateInstance CoUninitialize

wininet

InternetSetFilePointer HttpSendRequestA InternetOpenA HttpOpenRequestA HttpQueryInfoA InternetConnectA HttpAddRequestHeadersA InternetCloseHandle InternetReadFile InternetSetOptionA

Name

.text

Size

124KB

Virtual Size

128KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

45KB

Virtual Size

48KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.data

Size

3KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.fptable

Size

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

512B

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

4b24707416ff78fdcb98cae88ee929d481efe52b5001d013cd241cd2517a86f0

kernel32

user32

advapi32

shell32

ole32

wininet

generic