2024-08-17_c419a3fe3eae2a1259fb8633ef0c6298_bkransomware_virut

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General

Target

2024-08-17_c419a3fe3eae2a1259fb8633ef0c6298_bkransomware_virut
Size

2.5MB
MD5

c419a3fe3eae2a1259fb8633ef0c6298
SHA1

74fee5380bc704ca15b1f4cf5b3d2d67a881f1b6
SHA256

4e5c419b2e891563a3729371834fdde559eb8cd90862fd3229cefd94ffb4fe7c
SHA512

1b9b8b40c8fc7ad38896c1b4b550c80e497bb993c2808e6fe25e9e9dfb8a46778cfebe1320c3cb07aae777f1fd047f731fa761f8a3f8838122fd7f62a0932b8a
SSDEEP

3072:kgci+rDtAjIEbNdsPueRmwKiL1M4BYnWqAwzQlQeQltF19g19QR:kGatRmviIQl0lX19g7Y

Score

1^/10

Malware Config

Signatures

Files

2024-08-17_c419a3fe3eae2a1259fb8633ef0c6298_bkransomware_virut
.exe windows:6 windows x86 arch:x86

0f96c2416361a9a3d12f5a6e71b99601

Code Sign

33:00:00:00:35:d8:d5:59:5b:06:71:41:2b:00:00:00:00:00:35
Certificate

Issuer

CN=Microsoft Code Verification Root,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/08/2013, 20:26

Not After

15/08/2023, 20:36

Subject

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:b3:35:10:83:0d:6c:8a:28:4d:cb:00:02:00:00:b3:35
Certificate

Issuer

CN=Intel External Basic Issuing CA 3B,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Not Before

19/06/2014, 18:09

Not After

03/06/2017, 18:09

Subject

CN=Intel Corporation - pGFX,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

61:2c:ff:88:00:01:00:00:00:10
Certificate

Issuer

CN=Intel External Basic Policy CA,O=Intel Corporation,C=US

Not Before

08/02/2013, 22:21

Not After

08/02/2018, 22:31

Subject

CN=Intel External Basic Issuing CA 3B,O=Intel Corporation,L=Santa Clara,ST=CA,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

79:17:4a:a9:14:17:36:fe:15:a7:ca:9f:2c:ff:45:88
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

01/02/2013, 00:00

Not After

30/05/2020, 10:48

Subject

CN=Intel External Basic Policy CA,O=Intel Corporation,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

31/12/2015, 00:00

Not After

09/07/2019, 18:40

Subject

CN=COMODO SHA-1 Time Stamping Signer,O=COMODO CA Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

22:86:22:ef:df:0f:54:19:1c:ff:f4:e3:b0:bd:01:1a:d0:b3:d9:29
Signer

Actual PE Digest

22:86:22:ef:df:0f:54:19:1c:ff:f4:e3:b0:bd:01:1a:d0:b3:d9:29

Digest Algorithm

sha1

PE Digest Matches

false

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

GetCurrentThreadId
FlushInstructionCache
LockResource
GlobalAlloc
GlobalLock
GlobalUnlock
MulDiv
lstrcmpW
GetLocaleInfoW
GetSystemDefaultUILanguage
GetUserDefaultUILanguage
GetSystemDefaultLangID
GetCommandLineW
DecodePointer
CloseHandle
SetEvent
WaitForSingleObject
CreateMutexW
CreateEventW
Sleep
CreateThread
GlobalHandle
GlobalFree
IsDebuggerPresent
OutputDebugStringW
HeapAlloc
HeapFree
GetProcessHeap
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
GetCurrentProcess
SetLastError
MultiByteToWideChar
CreateFileW
FlushFileBuffers
WriteConsoleW
SetStdHandle
SetFilePointerEx
FindResourceW
GetConsoleCP
GetStringTypeW
LCMapStringW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
HeapReAlloc
HeapSize
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
InitializeCriticalSectionAndSpinCount
SetUnhandledExceptionFilter
UnhandledExceptionFilter
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
WriteFile
GetStartupInfoW
GetFileType
GetStdHandle
GetModuleHandleExW
ExitProcess
RtlUnwind
EncodePointer
LocalFree
WideCharToMultiByte
lstrlenA
lstrcmpiW
SizeofResource
LoadResource
LoadLibraryExW
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
FreeLibrary
InterlockedDecrement
InterlockedIncrement
DeleteCriticalSection
InitializeCriticalSectionEx
LeaveCriticalSection
EnterCriticalSection
GetLastError
GetConsoleMode
RaiseException

user32

LoadKeyboardLayoutW
ActivateKeyboardLayout
GetKeyboardLayoutList
GetKeyboardLayout
RegisterWindowMessageW
RegisterHotKey
UnregisterHotKey
SendMessageW
CharNextW
DefWindowProcW
PostQuitMessage
CallWindowProcW
RegisterClassExW
GetClassInfoExW
CreateWindowExW
IsWindow
IsChild
UnregisterClassW
PostMessageW
GetWindowTextLengthW
DestroyWindow
CharUpperW
PostThreadMessageW
DispatchMessageW
TranslateMessage
GetMessageW
MapDialogRect
LoadCursorW
GetWindow
GetClassNameW
FindWindowW
GetParent
GetDesktopWindow
SetWindowLongW
GetWindowLongW
FillRect
GetSysColor
ScreenToClient
ClientToScreen
SetWindowContextHelpId
GetClientRect
CreateDialogIndirectParamW
GetWindowTextW
SetWindowTextW
RedrawWindow
InvalidateRgn
InvalidateRect
EndPaint
BeginPaint
ReleaseDC
GetDC
DestroyAcceleratorTable
CreateAcceleratorTableW
ReleaseCapture
SetCapture
MapVirtualKeyExW
GetKeyNameTextW
GetFocus
SetFocus
SendDlgItemMessageW
GetDlgItem
EndDialog
SetWindowPos
MoveWindow
ShowWindow

advapi32

RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegCloseKey
RegSetValueExW
RegQueryInfoKeyW
RegOpenKeyExW

ole32

CoTaskMemAlloc
CoTaskMemRealloc
CoTaskMemFree
CreateStreamOnHGlobal
CoGetClassObject
CoCreateInstance
CLSIDFromString
CLSIDFromProgID
StringFromGUID2
OleInitialize
OleUninitialize
OleRun
OleLockRunning
CoUninitialize
CoRegisterClassObject
CoRevokeClassObject
CoInitialize
CoReleaseServerProcess
CoAddRefServerProcess
CoResumeClassObjects

oleaut32

GetErrorInfo
UnRegisterTypeLi
RegisterTypeLi
OleCreateFontIndirect
VariantClear
VariantInit
SysAllocStringLen
SysAllocString
LoadRegTypeLi
LoadTypeLi
VarUI4FromStr
SysStringLen
SysFreeString

shlwapi

StrStrW
StrCpyW

gdi32

DeleteDC
CreateSolidBrush
GetDeviceCaps
GetStockObject
SelectObject
GetObjectW
BitBlt
CreateCompatibleDC
CreateCompatibleBitmap
DeleteObject

Sections

.text
Size: 118KB - Virtual size: 117KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 18KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

0f96c2416361a9a3d12f5a6e71b99601

Code Sign

33:00:00:00:35:d8:d5:59:5b:06:71:41:2b:00:00:00:00:00:35Certificate

Extended Key Usages

Key Usages

33:00:00:b3:35:10:83:0d:6c:8a:28:4d:cb:00:02:00:00:b3:35Certificate

Extended Key Usages

Key Usages

61:2c:ff:88:00:01:00:00:00:10Certificate

Key Usages

79:17:4a:a9:14:17:36:fe:15:a7:ca:9f:2c:ff:45:88Certificate

Extended Key Usages

Key Usages

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0bCertificate

Extended Key Usages

Key Usages

22:86:22:ef:df:0f:54:19:1c:ff:f4:e3:b0:bd:01:1a:d0:b3:d9:29Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

ole32

oleaut32

shlwapi

gdi32

Sections

.text Size: 118KB - Virtual size: 117KB

.rdata Size: 43KB - Virtual size: 43KB

.data Size: 18KB - Virtual size: 25KB

.rsrc Size: 4KB - Virtual size: 4KB

Size: 2.3MB - Virtual size: 2.3MB

33:00:00:00:35:d8:d5:59:5b:06:71:41:2b:00:00:00:00:00:35
Certificate

33:00:00:b3:35:10:83:0d:6c:8a:28:4d:cb:00:02:00:00:b3:35
Certificate

61:2c:ff:88:00:01:00:00:00:10
Certificate

79:17:4a:a9:14:17:36:fe:15:a7:ca:9f:2c:ff:45:88
Certificate

16:88:f0:39:25:5e:63:8e:69:14:39:07:e6:33:0b
Certificate

22:86:22:ef:df:0f:54:19:1c:ff:f4:e3:b0:bd:01:1a:d0:b3:d9:29
Signer

.text
Size: 118KB - Virtual size: 117KB

.rdata
Size: 43KB - Virtual size: 43KB

.data
Size: 18KB - Virtual size: 25KB

.rsrc
Size: 4KB - Virtual size: 4KB