KVRT[.]exe | Triage

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General

Target

KVRT.exe
Size

103.3MB
MD5

33663801809574bc8c0f18bcc60676d7
SHA1

4c07e42fdf023ad7a5bec59739b5ed5bcc81be83
SHA256

997386c0e700f4e00a9e33dfaf039baa93845968059f1e6f401ba6f53325c441
SHA512

e70547c14e0cd4bea27f5b0be5c2f6bb56fb7519c8fc4a68fef4bd9bcab6944d3e95e1ff4b6e39c351a5d6151c29bd159531709bc24e8830e95aeeb386641f5c
SSDEEP

3145728:8uiOgt13IkYe8CaFZrRW68EG/KieqhdbgPd+1:8uiOC13IDLBFf3G/Rql+1

Score

1^/10

Malware Config

Signatures

Files

KVRT.exe
.exe windows:5 windows x86 arch:x86

868dc92668ff4b0d0241716d6769d9c6

Code Sign

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

28/07/2020, 00:00

Not After

18/03/2029, 00:00

Subject

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

12:ec:1d:79:45:83:1a:2a:59:69:f4:68
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

22/08/2023, 05:45

Not After

22/08/2026, 05:45

Subject

SERIALNUMBER=1027739867473,CN=AO Kaspersky Lab,O=AO Kaspersky Lab,STREET=sh Leningradskoye\, 39A / str 2,L=Moscow,ST=Moscow,C=RU,1.3.6.1.4.1.311.60.2.1.2=#13064d6f73636f77,1.3.6.1.4.1.311.60.2.1.3=#13025255,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

5f:1a:1d:74:42:21:cf:e2:c8:fd:60:19:90:60:cb:1c:d3:02:fd:8b:e5:8d:18:33:8e:22:b5:f9:fa:ca:46:10
Signer

Actual PE Digest

5f:1a:1d:74:42:21:cf:e2:c8:fd:60:19:90:60:cb:1c:d3:02:fd:8b:e5:8d:18:33:8e:22:b5:f9:fa:ca:46:10

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

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_32BIT_MACHINE

Imports

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueA

kernel32

LocalFree
ReadFile
GetFileSizeEx
GetCurrentProcess
WriteFile
SetFileTime
SetEndOfFile
GetTempPathW
CreateFileW
GetFileAttributesW
SetFileAttributesW
DeleteFileW
SetFilePointerEx
GetFileTime
FlushFileBuffers
CreateDirectoryW
GetVolumeInformationW
FindFirstFileExW
GetFullPathNameW
FindNextFileW
RemoveDirectoryW
FindClose
GetModuleHandleA
GetDiskFreeSpaceExW
GetCurrentDirectoryW
GetDriveTypeW
GetSystemDefaultLangID
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
WideCharToMultiByte
MultiByteToWideChar
InterlockedExchange
GetModuleHandleExW
GetVersionExW
GetSystemWindowsDirectoryA
GetTimeZoneInformation
FileTimeToSystemTime
LoadLibraryA
RaiseException
GetSystemInfo
FileTimeToLocalFileTime
DecodePointer
GetWindowsDirectoryW
VerSetConditionMask
GetComputerNameW
SystemTimeToFileTime
VerifyVersionInfoW
GetSystemWindowsDirectoryW
ProcessIdToSessionId
GetCurrentProcessId
CreateEventW
SetEvent
GetStartupInfoW
WaitForMultipleObjects
WaitForSingleObject
GetCommandLineW
CopyFileW
AttachConsole
FreeLibrary
Sleep
GetTickCount
SizeofResource
LockResource
LoadResource
FindResourceW
GetOEMCP
GetACP
IsValidCodePage
PeekNamedPipe
GetFileType
GetExitCodeProcess
OpenProcess
SetHandleInformation
GetStdHandle
CreatePipe
DuplicateHandle
SearchPathA
CreateProcessA
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
HeapSize
ExitProcess
SetStdHandle
GetConsoleCP
ExitThread
RtlUnwind
LoadLibraryW
UnregisterWaitEx
QueryDepthSList
SetEnvironmentVariableA
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
ReadConsoleW
GetConsoleMode
VirtualFree
VirtualProtect
VirtualAlloc
LoadLibraryExW
GetModuleFileNameW
FreeLibraryAndExitThread
CreateSemaphoreW
GetModuleHandleW
GetProcAddress
HeapDestroy
CloseHandle
HeapReAlloc
WaitForSingleObjectEx
GetLastError
GetCurrentThreadId
ReleaseSemaphore
HeapCreate
GetProcessHeap
DeleteCriticalSection
HeapAlloc
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapFree
WriteConsoleW
CreateProcessW
TryEnterCriticalSection
SwitchToThread
GetCurrentThread
GetExitCodeThread
QueryPerformanceCounter
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
GetStringTypeW
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
InitializeSListHead
OutputDebugStringW
CreateTimerQueue
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes

user32

GetWindowRect
PostMessageW
WaitForInputIdle
MessageBoxW
SendMessageW
EndDialog
IsWindow
MessageBoxA
MoveWindow
GetClientRect
GetDlgItem
DialogBoxParamW
GetSystemMetrics
SetWindowPos
SetWindowTextW

shell32

CommandLineToArgvW

ole32

CoCreateGuid
CoInitializeSecurity
CoSetProxyBlanket
CoInitializeEx
CoCreateInstance
CoUninitialize

oleaut32

SysFreeString
SysAllocString
SysStringLen
VariantClear
VariantInit

advapi32

RegCloseKey
RegOpenKeyExW
GetUserNameW
RegQueryValueExW
SetSecurityDescriptorDacl
SetFileSecurityW
ConvertSecurityDescriptorToStringSecurityDescriptorW
CreateWellKnownSid
SetSecurityDescriptorSacl
IsValidSecurityDescriptor
OpenProcessToken
GetFileSecurityW
InitializeSecurityDescriptor
InitializeAcl
AddAccessAllowedAceEx
GetTokenInformation

Sections

.text
Size: 657KB - Virtual size: 656KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 200KB - Virtual size: 200KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 21KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 102.4MB - Virtual size: 102.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

868dc92668ff4b0d0241716d6769d9c6

Code Sign

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54Certificate

Extended Key Usages

Key Usages

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

12:ec:1d:79:45:83:1a:2a:59:69:f4:68Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

5f:1a:1d:74:42:21:cf:e2:c8:fd:60:19:90:60:cb:1c:d3:02:fd:8b:e5:8d:18:33:8e:22:b5:f9:fa:ca:46:10Signer

Headers

DLL Characteristics

File Characteristics

Imports

version

kernel32

user32

shell32

ole32

oleaut32

advapi32

Sections

.text Size: 657KB - Virtual size: 656KB

.rdata Size: 200KB - Virtual size: 200KB

.data Size: 21KB - Virtual size: 31KB

.rsrc Size: 102.4MB - Virtual size: 102.4MB

.reloc Size: 41KB - Virtual size: 41KB

78:03:18:42:45:70:8a:41:cf:6f:01:b8:ee:b4:a9:54
Certificate

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

12:ec:1d:79:45:83:1a:2a:59:69:f4:68
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

5f:1a:1d:74:42:21:cf:e2:c8:fd:60:19:90:60:cb:1c:d3:02:fd:8b:e5:8d:18:33:8e:22:b5:f9:fa:ca:46:10
Signer

.text
Size: 657KB - Virtual size: 656KB

.rdata
Size: 200KB - Virtual size: 200KB

.data
Size: 21KB - Virtual size: 31KB

.rsrc
Size: 102.4MB - Virtual size: 102.4MB

.reloc
Size: 41KB - Virtual size: 41KB