nefilim | net-filim-patched-noencrypt[.]zip

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General

Target

net-filim-patched-noencrypt.zip
Size

38KB
MD5

b0304c308048bdf0decb0898bf8197f1
SHA1

5a4d336f0075e0435a77aed5047ffcca83cbc12c
SHA256

ecf767537b8eddd232d369232d25480668276dbc2e6e69065401151db0072848
SHA512

28883b23ebba780147091cfeb4b1c0de9a03746cdc35193aa290e47c2c65a86258ff6dce70f9b4330b7ab34663d8786b825f8b54e69ba522e6293a9584d8c653
SSDEEP

768:KHVHvwpKtV2E4Zqu4WlYdUq4eEpWLY4gqWDqLQb0wTqGwovB/t6b:KBWwxhuihrMWLY4gPDqUy1cBV6b

Score

10^/10

nefilim

Malware Config

Signatures

Nefilim family
nefilim

Nefilim ransomware executable 1 IoCs

File contains patterns typical of Nefilim samples.

Processes:

resource	yara_rule
static1/unpack001/net-filim-patched-noencrypt.exe	nefilim_ransomware

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
unpack001/net-filim-patched-noencrypt.exe

Files

net-filim-patched-noencrypt.zip
.zip

Password: infected
net-filim-patched-noencrypt.exe
.exe windows:5 windows x86 arch:x86

3ee8aa55414a94ea0a841ea0069bd261

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

PDB Paths

C:\Users\Administrator\Desktop\New folder\Release\NEFILIM.pdb

Imports

kernel32

GetTickCount
GetProcessHeap
WriteFile
Sleep
ReadFile
CreateFileW
GetFileSizeEx
GetStdHandle
GetLastError
SetLastError
GetProcAddress
MoveFileW
GetLogicalDrives
LoadLibraryA
lstrcmpiW
FindNextFileW
CloseHandle
CreateThread
ExitProcess
GetModuleFileNameW
WideCharToMultiByte
ExitThread
MultiByteToWideChar
CreateMutexA
WaitForSingleObject
HeapFree
SetFilePointerEx
GetCurrentProcess
HeapAlloc
GetDriveTypeW
lstrlenA
FindFirstFileW
FindClose
GetSystemDefaultLangID
GetStringTypeW
LCMapStringW
IsValidCodePage
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
GetCommandLineA
HeapSetInformation
RaiseException
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
HeapSize
GetModuleHandleW
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
DeleteCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
InterlockedDecrement
HeapCreate
QueryPerformanceCounter
GetCurrentProcessId
LeaveCriticalSection
EnterCriticalSection
RtlUnwind
HeapReAlloc
LoadLibraryW
GetCPInfo
GetACP
GetOEMCP

advapi32

CryptDecrypt
CryptCreateHash
CryptDeriveKey
CryptDestroyKey
CryptEncrypt
CryptImportKey
CryptAcquireContextA
CryptReleaseContext
CryptHashData

shell32

ShellExecuteW

shlwapi

PathFindExtensionW
PathIsDirectoryW

Sections

.text
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

3ee8aa55414a94ea0a841ea0069bd261

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

shell32

shlwapi

Sections

.text Size: 32KB - Virtual size: 32KB

.rdata Size: 16KB - Virtual size: 15KB

.data Size: 3KB - Virtual size: 6KB

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

.text
Size: 32KB - Virtual size: 32KB

.rdata
Size: 16KB - Virtual size: 15KB

.data
Size: 3KB - Virtual size: 6KB

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