Behavioral task
behavioral1
Sample
cfbcf827900a5dc36d1d2ba4b4879ce703a429b1952e6e9616f498a9bde68c91.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
cfbcf827900a5dc36d1d2ba4b4879ce703a429b1952e6e9616f498a9bde68c91.exe
Resource
win10v2004-20240426-en
General
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Target
cfbcf827900a5dc36d1d2ba4b4879ce703a429b1952e6e9616f498a9bde68c91.exe
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Size
2.3MB
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MD5
68d90c681c9748e8489f3f9fc622301d
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SHA1
931ebcaec96692ba2054379a489a4af0451bf630
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SHA256
cfbcf827900a5dc36d1d2ba4b4879ce703a429b1952e6e9616f498a9bde68c91
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SHA512
4dcd84246dec0522787dff8fb1ff90e418e1ed47496f9e35e56e5c5c26dcc8a2283a0478bcbd44d61a763ea46b050675aca1d93a6ff628d39f7f51e254fbdd80
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SSDEEP
49152:ethZYkcxB6Zx2dMWmNfcdFanp+tPVJ7A4wsWKQKNZpOcua04w44:ethZYZxoXiYFcdip+XJiK/xu
Malware Config
Signatures
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Detects Mimic ransomware 1 IoCs
resource yara_rule sample family_mimic -
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_USNDeleteJournal -
Detects executables containing commands for clearing Windows Event Logs 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_ClearWinLogs -
Mimic family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cfbcf827900a5dc36d1d2ba4b4879ce703a429b1952e6e9616f498a9bde68c91.exe
Files
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cfbcf827900a5dc36d1d2ba4b4879ce703a429b1952e6e9616f498a9bde68c91.exe.exe windows:6 windows x86 arch:x86
430e92222641741f296d1e98a8abfeab
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
CreateTimerQueueTimer
DeleteTimerQueue
GetQueuedCompletionStatus
PostQueuedCompletionStatus
lstrcatW
lstrcpyW
CreateIoCompletionPort
CreateTimerQueue
GetCurrentProcess
SetProcessShutdownParameters
LocalAlloc
GetCurrentThread
LocalFree
GetSystemWindowsDirectoryW
QueryDosDeviceW
FindFirstFileW
SetPriorityClass
FindNextFileW
TerminateProcess
RemoveDirectoryW
FindClose
GetVersionExW
K32GetProcessImageFileNameW
DuplicateHandle
CreateToolhelp32Snapshot
GetExitCodeThread
ProcessIdToSessionId
Process32NextW
K32GetProcessMemoryInfo
Process32FirstW
GetNativeSystemInfo
LoadLibraryW
Module32FirstW
GetWindowsDirectoryW
GetProcAddress
WTSGetActiveConsoleSessionId
CreateProcessW
GetModuleHandleW
CreateRemoteThread
Module32NextW
QueryFullProcessImageNameW
K32GetMappedFileNameW
CreateFileMappingW
GetTickCount
lstrcmpW
IsWow64Process
VirtualQueryEx
GetExitCodeProcess
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
GetCurrentProcessId
ReadConsoleW
WriteConsoleW
HeapSize
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
GetTimeZoneInformation
SetStdHandle
HeapReAlloc
EnumSystemLocalesW
GetUserDefaultLCID
SetCurrentDirectoryW
Wow64RevertWow64FsRedirection
Sleep
OpenProcess
Wow64DisableWow64FsRedirection
GetCommandLineW
WideCharToMultiByte
GetLocalTime
lstrlenW
DeleteCriticalSection
CancelIo
SetFileAttributesW
GetFileAttributesW
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
CreateThread
MapViewOfFile
CreateEventA
CreateFileMappingA
ResetEvent
SetEvent
CreateEventW
UnmapViewOfFile
ReleaseMutex
WaitForSingleObject
CreateMutexA
CreateMutexW
WaitForMultipleObjects
AllocConsole
GetConsoleWindow
ReadFile
SetConsoleCP
GetFileTime
GetDriveTypeW
FindNextVolumeW
GetSystemTime
GetVolumePathNamesForVolumeNameW
CopyFileW
SystemTimeToFileTime
FindVolumeClose
GetDiskFreeSpaceExW
ExitThread
SetFileTime
FindFirstVolumeW
GetLogicalDrives
GetVolumeInformationW
CreateDirectoryW
IsValidLocale
GetConsoleOutputCP
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
PeekNamedPipe
SetConsoleCtrlHandler
ExitProcess
ResumeThread
RtlUnwind
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
ReleaseSemaphore
lstrcmpiW
MultiByteToWideChar
GetFileSizeEx
GetModuleFileNameW
LoadLibraryExW
FindResourceW
LoadResource
LockResource
VirtualFree
VirtualProtect
VirtualAlloc
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
AreFileApisANSI
GetFullPathNameW
GetProcessHeap
HeapAlloc
GetFileInformationByHandle
FindFirstFileExW
GetCurrentDirectoryW
QueryPerformanceFrequency
GetStringTypeW
HeapFree
CreateFileW
SizeofResource
FlushFileBuffers
MoveFileW
SetFilePointerEx
CloseHandle
DeleteFileW
GetLastError
SetEndOfFile
DeviceIoControl
WriteFile
ReadConsoleA
user32
GetProcessWindowStation
GetUserObjectInformationW
MessageBoxW
GetMessageW
UnregisterHotKey
PostMessageW
ShowWindow
PeekMessageW
RegisterHotKey
wvsprintfW
wsprintfW
advapi32
RegGetValueW
RevertToSelf
GetTokenInformation
OpenThreadToken
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegDeleteValueW
ConvertSidToStringSidW
SetSecurityInfo
InitializeAcl
OpenProcessToken
RegSetValueExW
RegCreateKeyExW
LookupPrivilegeNameW
RegCloseKey
GetSecurityDescriptorDacl
AdjustTokenPrivileges
GetSecurityDescriptorSacl
LookupPrivilegeValueW
QueryServiceStatusEx
DuplicateTokenEx
EnumServicesStatusW
CryptEnumProvidersW
CryptSignHashW
CryptDestroyHash
CryptCreateHash
CryptDecrypt
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptSetHashParam
CryptDestroyKey
CryptReleaseContext
CryptAcquireContextW
ReportEventW
RegisterEventSourceW
DeregisterEventSource
EqualSid
CreateWellKnownSid
GetUserNameW
LookupAccountSidW
CloseServiceHandle
OpenSCManagerW
ControlService
EnumDependentServicesW
ChangeServiceConfigW
OpenServiceW
SetThreadToken
shell32
SHEmptyRecycleBinW
SHCreateItemFromParsingName
CommandLineToArgvW
ole32
CoInitializeEx
CoTaskMemFree
CoGetObject
CoCreateInstance
CoInitialize
CoSetProxyBlanket
CoUninitialize
CoInitializeSecurity
oleaut32
VariantInit
SysFreeString
SysAllocString
VariantClear
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertDuplicateCertificateContext
CertFreeCertificateContext
CertGetCertificateContextProperty
CertOpenStore
ws2_32
inet_ntop
htons
setsockopt
WSAGetLastError
gethostname
recv
inet_ntoa
WSAAddressToStringW
socket
WSAStartup
WSASocketW
shutdown
gethostbyname
send
WSASetLastError
getsockopt
closesocket
WSAIoctl
bind
WSACleanup
shlwapi
PathStripPathW
StrStrW
PathFileExistsW
PathRemoveExtensionW
PathGetArgsW
PathFindExtensionW
StrStrIA
PathRemoveFileSpecW
StrStrIW
iphlpapi
GetIpNetTable
GetAdaptersInfo
netapi32
NetShareEnum
NetApiBufferFree
mpr
WNetGetConnectionW
WNetCloseEnum
WNetEnumResourceW
WNetOpenEnumW
rstrtmgr
RmRegisterResources
RmGetList
RmShutdown
RmStartSession
RmEndSession
everything32
Everything_GetNumResults
Everything_SetRequestFlags
Everything_Exit
Everything_CleanUp
Everything_GetLastError
Everything_QueryW
Everything_GetResultFullPathNameW
Everything_SetSearchW
Everything_GetResultSize
Everything_DeleteRunHistory
Everything_IsDBLoaded
Everything_SetSort
bcrypt
BCryptGenRandom
Sections
.text Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 460KB - Virtual size: 459KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 361KB - Virtual size: 361KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ