RecEnv[.]exe | Triage

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General

Target

RecEnv.exe
Size

496KB
MD5

7a28836f46567462ddb730a10195e256
SHA1

67aca3b6b185c0fa7bf00aa090d61d5af2ddefff
SHA256

0790ea05f10cb40ffe2752a0e0188923ec9d78da5ee73870a87e0288001725d2
SHA512

c04a3b59104edc4e72a788b61dae5570a901d104d18f51452e3958bd94d79ec3f056769b8903de6cd208c0da7f67bf06dd6dc3e4f729a9e5acb94aa7f89a4fe0
SSDEEP

12288:0+hytOObl9c2PAoHS/fTkzkBO09uyd3eg+nl:+LblwR/LKiOnyd3Anl

Score

1^/10

Malware Config

Signatures

Files

RecEnv.exe
.exe windows:10 windows x64

5ee4980858f21de657ddbb4ad0d23f38

Code Sign

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/05/2019, 21:24

Not After

02/05/2020, 21:24

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

95:8b:ba:e7:9b:3c:9c:cb:95:fc:2e:73:90:b0:41:0a:c6:dd:18:ef:74:b4:a8:fe:09:2a:ef:76:f8:5a:8e:77
Signer

Actual PE Digest

95:8b:ba:e7:9b:3c:9c:cb:95:fc:2e:73:90:b0:41:0a:c6:dd:18:ef:74:b4:a8:fe:09:2a:ef:76:f8:5a:8e:77

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
RegOpenKeyExW
RegQueryValueExW
RegCloseKey
RegLoadKeyW
RegGetValueW
RegUnLoadKeyW
OpenThreadToken
AdjustTokenPrivileges
OpenProcessToken
EventWriteTransfer
EventUnregister
EventRegister
EventSetInformation
ControlTraceW
EnableTraceEx2
StartTraceW
RegCreateKeyExW
RegSetValueExW
TraceMessage
RegSetKeyValueW
EventWrite

kernel32

GetCurrentDirectoryW
GetFullPathNameW
CopyFileExW
SetFileInformationByHandle
GetFileInformationByHandle
FindClose
FindNextFileW
FindFirstFileW
GetFileInformationByHandleEx
CompareStringW
DebugBreak
GetModuleHandleExW
GetModuleFileNameA
LocalAlloc
ReleaseSemaphore
GetModuleFileNameW
FlushFileBuffers
SearchPathW
FindVolumeClose
FindNextVolumeW
FindFirstVolumeW
CopyFileW
WriteConsoleW
WriteFile
GetFileType
GetStdHandle
SetFileAttributesW
SetThreadPreferredUILanguages
GetDiskFreeSpaceExW
GetSystemInfo
DeleteFileW
DeviceIoControl
SetVolumeMountPointW
GetVolumePathNamesForVolumeNameW
GetOverlappedResult
SubmitThreadpoolWork
DeleteCriticalSection
CreateThreadpoolWork
CancelIo
GetVolumeNameForVolumeMountPointW
ReadFile
GetVolumeInformationW
SetFilePointer
CloseThreadpoolWork
CloseThreadpool
CreateThreadpool
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
WaitForThreadpoolWorkCallbacks
GetFileSize
CreateFileW
LocaleNameToLCID
SetLastError
GetLocaleInfoEx
LCIDToLocaleName
EnumUILanguagesW
GetThreadPreferredUILanguages
GetFileAttributesW
InitializeCriticalSectionEx
WaitForThreadpoolTimerCallbacks
ReleaseMutex
OutputDebugStringW
CloseThreadpoolTimer
WaitForSingleObjectEx
OpenSemaphoreW
SetThreadpoolTimer
ReleaseSRWLockShared
CreateThreadpoolTimer
CreateMutexExW
AcquireSRWLockShared
IsDebuggerPresent
VirtualProtect
LoadLibraryExA
RaiseException
VirtualQuery
SetThreadpoolThreadMinimum
SetThreadpoolThreadMaximum
WideCharToMultiByte
GetCurrentThread
WritePrivateProfileStringW
LoadLibraryExW
GetProcAddress
LoadLibraryW
FreeLibrary
GetDriveTypeW
GetVolumePathNameW
GetWindowsDirectoryW
HeapFree
GetProcessHeap
HeapAlloc
WaitForSingleObject
CloseHandle
SetErrorMode
GetCommandLineW
CreateThread
CreateEventW
CreateDirectoryW
ExpandEnvironmentStringsW
LocalFree
FormatMessageW
GetModuleHandleW
GetLastError
MultiByteToWideChar
CreateSemaphoreExW
CreateProcessW
GetExitCodeProcess

user32

LoadStringW
PostMessageW
SystemParametersInfoW
FindWindowW
RegisterWindowMessageW
GetKeyboardLayout
GetKeyboardLayoutNameW

msvcrt

__CxxFrameHandler3
wcsstr
_wcsnicmp
_vsnprintf
wcstoul
wcstol
_purecall
memcpy_s
wprintf
memmove_s
wcsrchr
wcschr
_vsnwprintf
??0exception@@QEAA@AEBV0@@Z
?what@exception@@UEBAPEBDXZ
??1exception@@UEAA@XZ
??0exception@@QEAA@AEBQEBD@Z
_wcsicmp
free
malloc
_callnewh
_CxxThrowException
_XcptFilter
_amsg_exit
__getmainargs
__set_app_type
exit
_exit
_cexit
_ismbblead
__setusermatherr
_initterm
__C_specific_handler
_acmdln
_fmode
_commode
?terminate@@YAXXZ
??1type_info@@UEAA@XZ
_lock
_unlock
__dllonexit
_onexit
memcmp
memcpy
memmove
memset

ntdll

RtlRaiseStatus
NtYieldExecution
RtlDowncaseUnicodeChar
DbgPrintEx
RtlReAllocateHeap
RtlFreeUnicodeString
RtlDosPathNameToNtPathName_U
NtSetInformationFile
RtlSetThreadErrorMode
RtlGetThreadErrorMode
NtQuerySymbolicLinkObject
NtOpenSymbolicLinkObject
RtlFreeHeap
RtlAllocateHeap
RtlpSetPreferredUILanguages
NtQuerySystemInformation
RtlAdjustPrivilege
RtlNtStatusToDosError
RtlInitUnicodeString
NtShutdownSystem
RtlCaptureContext
RtlVirtualUnwind
RtlLookupFunctionEntry

api-ms-win-power-setting-l1-1-0

PowerSetActiveScheme

api-ms-win-shcore-obsolete-l1-1-0

CommandLineToArgvW

api-ms-win-core-com-l1-1-0

CoWaitForMultipleHandles
CoUninitialize
CoInitializeEx

crypt32

CertVerifyCertificateChainPolicy

api-ms-win-core-synch-l1-2-0

Sleep
SleepConditionVariableSRW
WakeAllConditionVariable

api-ms-win-core-processthreads-l1-1-0

TerminateProcess
GetCurrentProcessId
GetCurrentProcess
GetStartupInfoW
GetCurrentThreadId

api-ms-win-core-synch-l1-1-0

ReleaseSRWLockExclusive
AcquireSRWLockExclusive

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
UnhandledExceptionFilter

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-sysinfo-l1-1-0

GetTickCount
GetSystemTimeAsFileTime

comctl32

ord344

imagehlp

ImageUnload
ImageLoad

reagent

WinReSetRecoveryAction
WinReGetConfig
WinReRestoreLogFiles
WinReCreateLogInstance
WinReHashBootApp
WinReGetTrustedBootApps
WinReIsWimBootEnabled
WinReSetNarratorScheduled

wpeutil

WpeInitializeDriversOfClass
WpeWaitForRemovableStorage
WpeSetComputerName

wintrust

WTHelperProvDataFromStateData
WTHelperGetProvSignerFromChain
WinVerifyTrust

wdscore

WdsTerminate
WdsInitialize
ConstructPartialMsgVW
CurrentIP
WdsSetupLogMessageW

virtdisk

AttachVirtualDisk
OpenVirtualDisk

api-ms-win-core-version-l1-1-1

GetFileVersionInfoW
GetFileVersionInfoSizeW

api-ms-win-core-version-l1-1-0

VerQueryValueW

bcd

BcdGetElementData
BcdOpenSystemStore
BcdQueryObject
BcdCloseStore
BcdOpenStoreFromFile
BcdCloseObject
BcdOpenObject
BcdGetElementDataWithFlags

setupapi

SetupDiGetDeviceInterfaceDetailW
SetupDiGetClassDevsW
SetupDiEnumDeviceInterfaces
SetupDiDestroyDeviceInfoList

Sections

.text
Size: 313KB - Virtual size: 312KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 13KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 65KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5ee4980858f21de657ddbb4ad0d23f38

Code Sign

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

95:8b:ba:e7:9b:3c:9c:cb:95:fc:2e:73:90:b0:41:0a:c6:dd:18:ef:74:b4:a8:fe:09:2a:ef:76:f8:5a:8e:77Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

msvcrt

ntdll

api-ms-win-power-setting-l1-1-0

api-ms-win-shcore-obsolete-l1-1-0

api-ms-win-core-com-l1-1-0

crypt32

api-ms-win-core-synch-l1-2-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

comctl32

imagehlp

reagent

wpeutil

wintrust

wdscore

virtdisk

api-ms-win-core-version-l1-1-1

api-ms-win-core-version-l1-1-0

bcd

setupapi

Sections

.text Size: 313KB - Virtual size: 312KB

.rdata Size: 84KB - Virtual size: 83KB

.data Size: 13KB - Virtual size: 17KB

.pdata Size: 9KB - Virtual size: 8KB

.didat Size: 512B - Virtual size: 48B

.rsrc Size: 65KB - Virtual size: 65KB

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

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

95:8b:ba:e7:9b:3c:9c:cb:95:fc:2e:73:90:b0:41:0a:c6:dd:18:ef:74:b4:a8:fe:09:2a:ef:76:f8:5a:8e:77
Signer

.text
Size: 313KB - Virtual size: 312KB

.rdata
Size: 84KB - Virtual size: 83KB

.data
Size: 13KB - Virtual size: 17KB

.pdata
Size: 9KB - Virtual size: 8KB

.didat
Size: 512B - Virtual size: 48B

.rsrc
Size: 65KB - Virtual size: 65KB

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