Static task
static1
Behavioral task
behavioral1
Sample
malware.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
malware.exe
Resource
win10v2004-20240412-en
General
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Target
malware
-
Size
143KB
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MD5
99bfaaacebf1b34fdebd4e7ce4070a36
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SHA1
2e4080a5a71ad5030b9cab6e1465a5777ea57cf2
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SHA256
c0e35b19f97021416e3724006511afc95d6aa409404e812d8c62b955bc917d3c
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SHA512
899e0ee99ebc0a27cdb499cbce6e0190d6af260c35c54456c55dcf2b5ce9cdef78f6d8d85ed3ecaf618c282d2eb47cd1b2433d915480ccf9e5c39de9ba0d8bad
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SSDEEP
3072:JpcKbMfUcJItoKrBLbsdKIQD8i4WT7BTxvrSa6wKKmhgsLSLonChYgV:Jpc7UcJImWLGKIFKpT8KdaCegV
Malware Config
Signatures
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource malware
Files
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malware.exe windows:5 windows x86 arch:x86
ef6afd25026ed6e85998a22ffa00fbd2
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
kernel32
GetModuleHandleA
GetLocaleInfoA
OpenProcess
PostQueuedCompletionStatus
CreateToolhelp32Snapshot
MultiByteToWideChar
Sleep
GetLastError
Process32NextW
CreateFileA
GetDiskFreeSpaceExW
GetCurrentThread
TerminateThread
LoadLibraryA
lstrcatW
CloseHandle
GetNativeSystemInfo
GetSystemInfo
CreateThread
GetWindowsDirectoryA
GetWindowsDirectoryW
GetProcAddress
SetFilePointerEx
LocalFree
DeleteCriticalSection
ExitProcess
GetCurrentProcessId
GetModuleHandleW
CopyFileW
WideCharToMultiByte
lstrcpyW
SleepEx
GetDiskFreeSpaceExA
lstrcmpiW
CreateIoCompletionPort
GetTickCount
lstrcmpW
GetCurrentThreadId
GetDriveTypeW
GetFileTime
GetComputerNameA
QueryDosDeviceW
FindFirstVolumeW
DuplicateHandle
CreateEventW
SetEvent
FindVolumeClose
GetVolumePathNamesForVolumeNameW
GetFileType
FindNextVolumeW
WriteConsoleW
SetEndOfFile
ReadConsoleW
HeapSize
GetConsoleMode
GetConsoleCP
GetFileAttributesW
CreateFileW
WaitForSingleObject
FindClose
lstrlenA
GetQueuedCompletionStatus
SetErrorMode
InitializeCriticalSection
LeaveCriticalSection
WaitForMultipleObjects
GetModuleFileNameW
GetUserDefaultLangID
TerminateProcess
WriteFile
lstrlenW
GetCurrentProcess
FindNextFileW
GetCommandLineW
EnterCriticalSection
FindFirstFileExW
GetFileSizeEx
GetLogicalDrives
GetVolumeInformationW
ReadFile
FlushFileBuffers
GetStringTypeW
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
QueryPerformanceCounter
MoveFileW
LCMapStringW
HeapAlloc
HeapFree
HeapReAlloc
GetStdHandle
GetModuleHandleExW
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
ResetEvent
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwind
RaiseException
SetLastError
EncodePointer
TlsAlloc
TlsGetValue
DecodePointer
user32
CreateWindowExW
GetCursorPos
DefWindowProcW
RegisterClassW
advapi32
CryptGenRandom
OpenThreadToken
LookupPrivilegeValueW
AdjustTokenPrivileges
CreateServiceW
RegCloseKey
CryptAcquireContextW
CloseServiceHandle
RegQueryValueExA
OpenSCManagerW
AllocateAndInitializeSid
SetEntriesInAclW
SetNamedSecurityInfoW
RegSetValueExW
OpenProcessToken
FreeSid
StartServiceW
RegOpenKeyExA
RegOpenKeyExW
CryptReleaseContext
shell32
CommandLineToArgvW
ShellExecuteW
ShellExecuteA
netapi32
NetShareEnum
NetApiBufferFree
shlwapi
wnsprintfA
StrCmpNIW
StrCmpNW
StrDupW
StrStrIW
UrlUnescapeA
UrlEscapeA
SHDeleteKeyW
wnsprintfW
iphlpapi
GetIpNetTable
ws2_32
inet_ntoa
wininet
InternetCrackUrlW
InternetQueryOptionW
InternetCloseHandle
InternetConnectW
InternetSetOptionW
InternetOpenW
InternetQueryDataAvailable
HttpOpenRequestW
InternetReadFile
HttpSendRequestW
Sections
.text Size: 94KB - Virtual size: 94KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 37KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 18KB
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: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ