mimic | 3usdaa[.]exe

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General

Target

3usdaa.exe
Size

2.9MB
MD5

a02157550bc9b491fd03cad394ccdfe7
SHA1

108b7428e779d5caa7854a1a4dfa5ca42f292f04
SHA256

a15d1311e02cffd67a0db25cb0d6b2ccd3fc457d0bd76d7d2a4a462bbad6356a
SHA512

bea12edb6be3921ed25b4b3210ff53f8224c35c3d789864fc86991db972e0a3066af9d5891814153a6091c9dad4deedf3f0879a4dd632e3398864c9f2b6d1022
SSDEEP

49152:/thZYkcxB6Zx2dMWmNfcdFanp+tPVJ7AnuLZiyUyLO55nKZA9a3X6ma04w44:/thZYZxoXiYFcdip+XJQuLZBLO5gCk3Z

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
3usdaa.exe

Files

3usdaa.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: 960KB - Virtual size: 959KB

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

Sharing

General

Malware Config

Signatures

Files

430e92222641741f296d1e98a8abfeab

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

crypt32

ws2_32

shlwapi

iphlpapi

netapi32

mpr

rstrtmgr

everything32

bcrypt

Sections

.text Size: 1.5MB - Virtual size: 1.5MB

.rdata Size: 460KB - Virtual size: 459KB

.data Size: 14KB - Virtual size: 33KB

.rsrc Size: 960KB - Virtual size: 959KB

.reloc Size: 66KB - Virtual size: 65KB

.text
Size: 1.5MB - Virtual size: 1.5MB

.rdata
Size: 460KB - Virtual size: 459KB

.data
Size: 14KB - Virtual size: 33KB

.rsrc
Size: 960KB - Virtual size: 959KB

.reloc
Size: 66KB - Virtual size: 65KB