mimic | encrypt[.]exe

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General

Target

encrypt.exe
Size

3.0MB
MD5

a48ee000e248741247c24dc70fa2f936
SHA1

4c814fe7c94e6fb4d1d89cdae7e6e83905c459d7
SHA256

bb28adc32ff1b9dcfaac6b7017b4896d2807b48080f9e6720afde3f89d69676c
SHA512

8bdd60732bf105b9ade5d4dbc5c722a866119e0a284692afc1bd5b530a4afc3954536a14946a87f72213c92020def2ac7b5c1cbcc51b6e0ad5671b7c58543f34
SSDEEP

49152:2QX4XDWEbuWZziDdf/6BeIIvt84c9tPXSpEONhrkRSDt8S3G1u8C8PkpxULagR:2QX4XxxixCBeIIvnc99Ett53G4fzAR

Score

10^/10

mimic

Malware Config

Signatures

Detects Mimic ransomware 1 IoCs

resource	yara_rule
sample	family_mimic

Mimic family
mimic

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
encrypt.exe

Files

encrypt.exe
.exe windows:6 windows x86 arch:x86

2c4818f5e9c4b9e1df3f4636304ba31d

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

lstrcpyW
CreateIoCompletionPort
CreateTimerQueue
GetCurrentProcess
SetProcessShutdownParameters
LocalAlloc
GetCurrentThread
LocalFree
GetSystemWindowsDirectoryW
QueryDosDeviceW
FindFirstFileW
SetPriorityClass
FindNextFileW
TerminateProcess
RemoveDirectoryW
FindClose
GetVersionExW
K32GetProcessImageFileNameW
DuplicateHandle
CreateToolhelp32Snapshot
GetExitCodeThread
ProcessIdToSessionId
Process32NextW
Process32FirstW
GetNativeSystemInfo
LoadLibraryW
Module32FirstW
GetWindowsDirectoryW
GetProcAddress
WTSGetActiveConsoleSessionId
CreateProcessW
GetModuleHandleW
CreateRemoteThread
Module32NextW
QueryFullProcessImageNameW
K32GetMappedFileNameW
CreateFileMappingW
GetTickCount
lstrcmpW
IsWow64Process
VirtualQueryEx
InitializeCriticalSectionEx
RaiseException
DecodePointer
GetComputerNameExW
GlobalMemoryStatusEx
ReadProcessMemory
GetStdHandle
GetEnvironmentVariableW
GetFileType
SetLastError
InitializeCriticalSectionAndSpinCount
GetCurrentThreadId
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleExW
QueryPerformanceCounter
GetSystemTimeAsFileTime
FormatMessageW
DeleteFiber
ConvertFiberToThread
FreeLibrary
LoadLibraryA
GetConsoleMode
SetConsoleMode
ReadConsoleA
ReadConsoleW
WriteConsoleW
HeapSize
CreateTimerQueueTimer
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
CancelIo
GetProcessHeap
HeapAlloc
HeapFree
AllocConsole
GetCurrentProcessId
SetConsoleCP
SetCurrentDirectoryW
Wow64RevertWow64FsRedirection
Sleep
OpenProcess
Wow64DisableWow64FsRedirection
WideCharToMultiByte
GetLocalTime
DeleteCriticalSection
GetFileInformationByHandle
lstrcatW
GetFileAttributesW
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
CreateThread
MapViewOfFile
CreateEventA
CreateFileMappingA
ResetEvent
SetEvent
CreateEventW
UnmapViewOfFile
ReleaseMutex
WaitForSingleObject
CreateMutexA
CreateMutexW
WaitForMultipleObjects
GetFileTime
GetDriveTypeW
FindNextVolumeW
GetSystemTime
ReadFile
GetVolumePathNamesForVolumeNameW
CopyFileW
SystemTimeToFileTime
FindVolumeClose
SetVolumeMountPointW
GetDiskFreeSpaceExW
ExitThread
SetFileTime
DeviceIoControl
IsValidCodePage
GetTimeZoneInformation
SetStdHandle
HeapReAlloc
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetConsoleOutputCP
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
PeekNamedPipe
SetConsoleCtrlHandler
ExitProcess
ResumeThread
RtlUnwind
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
ReleaseSemaphore
VirtualFree
VirtualProtect
VirtualAlloc
lstrlenW
FindFirstVolumeW
GetLogicalDrives
GetVolumeInformationW
CreateDirectoryW
lstrcmpiW
MultiByteToWideChar
CreateFileW
LoadLibraryExW
GetModuleHandleA
FreeLibraryAndExitThread
GetThreadTimes
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetProcessAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
GetLogicalProcessorInformation
GetThreadPriority
SetThreadPriority
SignalObjectAndWait
OutputDebugStringW
InitializeSListHead
GetStartupInfoW
IsDebuggerPresent
WaitForSingleObjectEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCPInfo
GetLocaleInfoW
LCMapStringW
CompareStringW
EncodePointer
SwitchToThread
TryEnterCriticalSection
PostQueuedCompletionStatus
GetQueuedCompletionStatus
SetFileAttributesW
AreFileApisANSI
GetFullPathNameW
FindFirstFileExW
GetCurrentDirectoryW
QueryPerformanceFrequency
GetStringTypeW
DeleteTimerQueue
GetCommandLineW
GetFileSizeEx
GetModuleFileNameW
FlushFileBuffers
MoveFileW
SetFilePointerEx
CloseHandle
DeleteFileW
GetLastError
SetEndOfFile
WriteFile
SetEnvironmentVariableW

user32

GetProcessWindowStation
wsprintfW
wvsprintfW
GetUserObjectInformationW
MessageBoxW

advapi32

CryptSetHashParam
RevertToSelf
GetTokenInformation
OpenThreadToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertSidToStringSidW
SetSecurityInfo
InitializeAcl
OpenProcessToken
RegSetValueExW
RegCreateKeyExW
LookupPrivilegeNameW
RegCloseKey
GetSecurityDescriptorDacl
AdjustTokenPrivileges
GetSecurityDescriptorSacl
LookupPrivilegeValueW
QueryServiceStatusEx
DuplicateTokenEx
EnumServicesStatusW
OpenServiceW
CryptEnumProvidersW
CryptSignHashW
CryptDestroyHash
CryptCreateHash
CryptDecrypt
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptDestroyKey
CryptReleaseContext
CryptAcquireContextW
ReportEventW
RegisterEventSourceW
DeregisterEventSource
RegGetValueW
EqualSid
CreateWellKnownSid
GetUserNameW
LookupAccountSidW
CloseServiceHandle
OpenSCManagerW
ControlService
EnumDependentServicesW
ChangeServiceConfigW
RegDeleteValueW
SetThreadToken

shell32

SHCreateItemFromParsingName
SHEmptyRecycleBinW
CommandLineToArgvW

ole32

CoSetProxyBlanket
CoTaskMemFree
CoGetObject
CoInitializeEx
CoCreateInstance
CoInitialize
CoInitializeSecurity
CoUninitialize

oleaut32

SysAllocString
VariantInit
SysFreeString
VariantClear

shlwapi

PathFileExistsW
StrStrIW
PathRemoveFileSpecW
StrStrIA
PathFindExtensionW
PathGetArgsW
PathRemoveExtensionW
PathStripPathW
StrStrW

crypt32

CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertDuplicateCertificateContext
CertFreeCertificateContext
CertGetCertificateContextProperty
CertOpenStore

ws2_32

WSAGetLastError
socket
WSAStartup
WSASocketW
shutdown
gethostbyname
closesocket
setsockopt
bind
WSACleanup
recv
send
WSASetLastError
inet_ntop
getsockopt
gethostname
inet_ntoa
WSAIoctl
WSAAddressToStringW
htons

iphlpapi

GetIpNetTable
GetAdaptersInfo

netapi32

NetApiBufferFree
NetShareEnum

mpr

WNetGetConnectionW
WNetCloseEnum
WNetEnumResourceW
WNetOpenEnumW

rstrtmgr

RmShutdown
RmStartSession
RmRegisterResources
RmGetList
RmEndSession

everything32

Everything_GetNumResults
Everything_GetResultSize
Everything_DeleteRunHistory
Everything_SetSort
Everything_SetSearchW
Everything_GetResultFullPathNameW
Everything_QueryW
Everything_GetLastError
Everything_CleanUp
Everything_Exit
Everything_IsDBLoaded
Everything_SetRequestFlags

bcrypt

BCryptGenRandom

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 453KB - Virtual size: 452KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2c4818f5e9c4b9e1df3f4636304ba31d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

shlwapi

crypt32

ws2_32

iphlpapi

netapi32

mpr

rstrtmgr

everything32

bcrypt

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 453KB - Virtual size: 452KB

.data Size: 14KB - Virtual size: 32KB

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 64KB - Virtual size: 64KB

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 453KB - Virtual size: 452KB

.data
Size: 14KB - Virtual size: 32KB

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 64KB - Virtual size: 64KB