Ransomware Akira[.]exe

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General

Target

Ransomware Akira.exe
Size

1.0MB
MD5

feb81a8d7e0f91d6f74b440cdd3c2f28
SHA1

8c479629f45d8d9ea5e6ed48a3eeb9917fb7ad07
SHA256

aaa7799edfd86b52438a9e0d71f8069cbcbe1988036b95888fcdc553e729b7b9
SHA512

bf83affcd1ea656e05f18e55eb23cce2e2cb33ca6f24f5c22374c6f1d41f6277794c21f926939028326c043798bf34f14194b3ad51cee763b053e7a519199623
SSDEEP

12288:Vpp+QIEmDzuImC01vbUE98pik+2i1NkshdMMK+AX99etq2dTd7f:Vpp+Q+u5bUI8pij1NkshdMf99etb5R

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

Ransomware Akira.exe

resource
Ransomware Akira.exe

Files

Ransomware Akira.exe
.exe windows:6 windows x64 arch:x64

9b9e1545a27f74c7e825990e6d713212

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

EnterCriticalSection
WaitForMultipleObjects
LeaveCriticalSection
WaitForSingleObject
PostQueuedCompletionStatus
GetLastError
SetEvent
TerminateThread
TlsAlloc
CloseHandle
QueueUserAPC
LocalFree
DeleteCriticalSection
TlsFree
FormatMessageA
ReadFile
GetFileSizeEx
SetWaitableTimer
TlsSetValue
SetLastError
WriteFile
InitializeCriticalSectionAndSpinCount
GetQueuedCompletionStatus
GetCurrentThreadId
CreateEventW
SetFileInformationByHandle
DeleteFileW
CancelIoEx
SleepEx
TlsGetValue
CreateIoCompletionPort
CreateFileW
GetFileAttributesW
SetFileAttributesW
GetDriveTypeW
GetConsoleScreenBufferInfo
SetConsoleTextAttribute
GetCommandLineW
GetStdHandle
WriteConsoleA
GetDynamicTimeZoneInformation
Sleep
GetConsoleMode
GetFileAttributesA
GetSystemInfo
GetCurrentProcessId
GetCurrentProcess
GetProcessId
OpenProcess
ResetEvent
GetLogicalDriveStringsW
MultiByteToWideChar
WideCharToMultiByte
SetEndOfFile
WriteConsoleW
SetStdHandle
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
ReadConsoleW
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
GetFileType
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapFree
HeapSize
GetLocaleInfoEx
RtlPcToFileHeader
RaiseException
QueryPerformanceCounter
QueryPerformanceFrequency
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
GetStringTypeW
WaitForSingleObjectEx
GetExitCodeThread
CreateDirectoryW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
AreFileApisANSI
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
LCMapStringEx
CompareStringEx
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlUnwindEx
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
HeapAlloc
HeapReAlloc
RtlUnwind

shell32

CommandLineToArgvW

ole32

CoCreateInstance
CoUninitialize
CoInitializeEx
CoSetProxyBlanket

oleaut32

VariantClear
SysAllocString
SysFreeString
VariantInit

ws2_32

WSAStartup
WSACleanup

shlwapi

PathIsNetworkPathW

mpr

WNetGetConnectionW

wtsapi32

WTSEnumerateProcessesW
WTSFreeMemory

rstrtmgr

RmShutdown
RmStartSession
RmRegisterResources
RmGetList
RmEndSession

Sections

.text
Size: 812KB - Virtual size: 811KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 33KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 32KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9b9e1545a27f74c7e825990e6d713212

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

ole32

oleaut32

ws2_32

shlwapi

mpr

wtsapi32

rstrtmgr

Sections

.text Size: 812KB - Virtual size: 811KB

.rdata Size: 165KB - Virtual size: 165KB

.data Size: 33KB - Virtual size: 40KB

.pdata Size: 32KB - Virtual size: 31KB

_RDATA Size: 512B - Virtual size: 348B

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

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 812KB - Virtual size: 811KB

.rdata
Size: 165KB - Virtual size: 165KB

.data
Size: 33KB - Virtual size: 40KB

.pdata
Size: 32KB - Virtual size: 31KB

_RDATA
Size: 512B - Virtual size: 348B

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

.reloc
Size: 5KB - Virtual size: 4KB