djvu | NEAS[.]2023-09-07_ef48f6affffa1d0615039bf0963eb109_stop_JC[.]exe

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General

Target

NEAS.2023-09-07_ef48f6affffa1d0615039bf0963eb109_stop_JC.exe
Size

1.1MB
MD5

ef48f6affffa1d0615039bf0963eb109
SHA1

8aff2e74179d2f526468a5938887cac9c3811805
SHA256

0195777d44ecd15b4761b730507486f9b07d032531e040b992c22c85732702a2
SHA512

db073623a838d7788216fc64486292120bc0e76975d15b0f0e7ebe4ffabdf5e0fde851270b9cd3f3af8446dca32ffd581b9659c6583a15cdcb37ebba6aad7f7d
SSDEEP

24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/XRPOO8v1HUq7:F0dwAYZt6C31WeTPRPOhvZUq7

Score

10^/10

djvu

Malware Config

Signatures

Detected Djvu ransomware 1 IoCs

resource	yara_rule
sample	family_djvu

Djvu family
djvu

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NEAS.2023-09-07_ef48f6affffa1d0615039bf0963eb109_stop_JC.exe

Files

NEAS.2023-09-07_ef48f6affffa1d0615039bf0963eb109_stop_JC.exe
.exe windows:5 windows x86

0c756c849bc7b459f78f7a5ce46cd4a7

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

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW
RpcStringFreeA
UuidToStringA

mpr

WNetOpenEnumW
WNetEnumResourceW
WNetCloseEnum

wininet

InternetCloseHandle
InternetReadFile
InternetOpenUrlW
InternetOpenW
HttpQueryInfoW
InternetOpenA
InternetOpenUrlA

winmm

timeGetTime

shlwapi

PathAppendA
PathFindFileNameW
PathRemoveFileSpecW
PathFileExistsA
PathFileExistsW
PathAppendW
PathFindExtensionW

kernel32

VirtualFree
WriteFile
GetDriveTypeA
OpenProcess
GlobalAlloc
GetSystemDirectoryW
WideCharToMultiByte
LoadLibraryW
Sleep
CopyFileW
FormatMessageW
lstrcpynW
CreateProcessA
TerminateProcess
ReadFile
CreateFileW
lstrcatA
GetEnvironmentVariableA
lstrcmpW
MultiByteToWideChar
lstrlenW
FlushFileBuffers
GetShortPathNameA
GetFileSizeEx
GetLastError
SetLastError
GetProcAddress
VirtualAlloc
MoveFileW
FindClose
Process32FirstW
LocalAlloc
CreateEventW
GetModuleFileNameA
Process32NextW
lstrcatW
CreateMutexA
FindNextFileW
CreateToolhelp32Snapshot
SetEnvironmentVariableA
DeleteFileW
LocalFree
lstrcpyW
DeleteFileA
lstrcpyA
SetPriorityClass
GetCurrentProcess
GetComputerNameW
GetLogicalDrives
GetModuleFileNameW
SetStdHandle
GetVersion
CreateDirectoryA
CreateThread
CompareStringW
GetTimeFormatW
GetDateFormatW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
CreateSemaphoreW
GetModuleHandleW
GetTickCount
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetModuleHandleA
GetVersionExA
GlobalMemoryStatus
LoadLibraryA
FlushConsoleInputBuffer
WaitForSingleObject
CreateDirectoryW
SetFilePointerEx
CreateProcessW
FreeLibrary
SetErrorMode
lstrlenA
SetFilePointer
FindFirstFileW
SetConsoleMode
CreateFileA
GetCommandLineW
GetNumberOfConsoleInputEvents
PeekConsoleInputA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCurrentProcessId
QueryPerformanceCounter
GetTimeZoneInformation
RaiseException
GetStringTypeW
GetConsoleCP
ReadConsoleW
GetConsoleMode
HeapSize
LoadLibraryExW
OutputDebugStringW
SetConsoleCtrlHandler
RtlUnwind
FatalAppExitA
GetStartupInfoW
GetExitCodeProcess
LCMapStringW
DeleteCriticalSection
AreFileApisANSI
ExitProcess
GetProcessHeap
HeapReAlloc
GlobalFree
SetEndOfFile
ReadConsoleInputA
CloseHandle
HeapFree
HeapAlloc
EnterCriticalSection
LeaveCriticalSection
GetStdHandle
GetFileType
GetModuleHandleExW
WriteConsoleW
EncodePointer
DecodePointer
GetSystemTimeAsFileTime
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThread
GetCurrentThreadId

user32

PeekMessageW
PostThreadMessageW
DefWindowProcW
DispatchMessageW
UpdateWindow
CreateWindowExW
LoadCursorW
IsWindow
ShowWindow
RegisterClassExW
PostQuitMessage
GetMessageW
DestroyWindow
SendMessageW
GetProcessWindowStation
GetUserObjectInformationW
MessageBoxA
GetDesktopWindow
MessageBoxW
TranslateMessage

advapi32

RegCloseKey
CloseServiceHandle
GetUserNameW
ReportEventA
RegisterEventSourceA
DeregisterEventSource
CryptHashData
RegSetValueExW
CryptDestroyHash
ControlService
RegOpenKeyExW
CryptCreateHash
CryptEncrypt
CryptImportKey
QueryServiceStatus
RegQueryValueExW
CryptReleaseContext
OpenServiceW
OpenSCManagerW
CryptAcquireContextW
CryptGetHashParam

shell32

SHGetPathFromIDListW
SHGetSpecialFolderLocation
ShellExecuteA
ShellExecuteExW
CommandLineToArgvW
SHGetFolderPathA

ole32

CoInitialize
CoInitializeSecurity
CoUninitialize
CoCreateInstance

oleaut32

SysFreeString
VariantInit
VariantClear
GetErrorInfo
CreateErrorInfo
SetErrorInfo
VariantChangeType
SysAllocString

iphlpapi

GetAdaptersInfo

ws2_32

inet_ntoa
inet_addr
gethostbyname

dnsapi

DnsFree
DnsQuery_W

crypt32

CryptStringToBinaryA

gdi32

DeleteObject
GetObjectA
SelectObject
GetDeviceCaps
GetBitmapBits
BitBlt
DeleteDC
CreateDCA
CreateCompatibleDC
CreateCompatibleBitmap

Sections

.text
Size: 809KB - Virtual size: 809KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 247KB - Virtual size: 246KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 128KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0c756c849bc7b459f78f7a5ce46cd4a7

Headers

DLL Characteristics

File Characteristics

Imports

rpcrt4

mpr

wininet

winmm

shlwapi

kernel32

user32

advapi32

shell32

ole32

oleaut32

iphlpapi

ws2_32

dnsapi

crypt32

gdi32

Sections

.text Size: 809KB - Virtual size: 809KB

.rdata Size: 247KB - Virtual size: 246KB

.data Size: 25KB - Virtual size: 128KB

.rsrc Size: 512B - Virtual size: 480B

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

.text
Size: 809KB - Virtual size: 809KB

.rdata
Size: 247KB - Virtual size: 246KB

.data
Size: 25KB - Virtual size: 128KB

.rsrc
Size: 512B - Virtual size: 480B

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