2024-08-21_6a538fa9df7f721f9889396440c7fbf5_bkransomware_virut

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General

Target

2024-08-21_6a538fa9df7f721f9889396440c7fbf5_bkransomware_virut
Size

3.4MB
MD5

6a538fa9df7f721f9889396440c7fbf5
SHA1

5bebf117391bddacd2db9667f733b76975ccd1f6
SHA256

9fc34391c2206ff633a7022f9d9627af1fb1a0428545e8c48934be117edd51dc
SHA512

332c9cb4bb899d9e5a93dcbc11f8265e2afd70ed31215254e8ff3288b7f45c47bb512c487e889a1d1c1a34583db2221631b2ff296ea4a1c89ba78f72111c8002
SSDEEP

12288:/JHST4vI4mVMvt6fDVCw+Bfstl8gFNG2VPxNek40EApn7JFHg1:/JCVu00stSyg2VbEApn/Hg

Score

1^/10

Malware Config

Signatures

Files

2024-08-21_6a538fa9df7f721f9889396440c7fbf5_bkransomware_virut
.exe windows:6 windows x86 arch:x86

143cb7d865c2776762c6126d01c9a182

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

f3:6b:cf:66:3c:20:f0:ea:69:d0:2c:06:b2:f0:09:9b:36:5b:fe:dd
Signer

Actual PE Digest

f3:6b:cf:66:3c:20:f0:ea:69:d0:2c:06:b2:f0:09:9b:36:5b:fe:dd

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

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

user32

DispatchMessageW
TranslateMessage
GetMessageW
RegisterWindowMessageW
SendMessageW
PostThreadMessageW
DefWindowProcW
CallWindowProcW
UnregisterClassW
RegisterClassExW
GetClassInfoExW
CreateWindowExW
IsWindow
IsChild
DestroyWindow
MoveWindow
SetWindowPos
PostQuitMessage
SystemParametersInfoW
MapDialogRect
SetWindowContextHelpId
KillTimer
SetTimer
SendDlgItemMessageW
EndDialog
IsWindowVisible
ShowWindow
GetMonitorInfoW
MonitorFromWindow
LoadCursorW
GetWindow
GetClassNameW
GetParent
GetDesktopWindow
SetWindowLongW
GetWindowLongW
FillRect
GetSysColor
MapWindowPoints
ScreenToClient
ClientToScreen
GetWindowRect
GetClientRect
GetWindowTextLengthW
GetWindowTextW
SetWindowTextW
RedrawWindow
InvalidateRgn
InvalidateRect
EndPaint
BeginPaint
ReleaseDC
GetDC
DestroyAcceleratorTable
CreateAcceleratorTableW
ReleaseCapture
SetCapture
GetFocus
SetFocus
CharNextW
CharUpperW
GetDlgItem
CreateDialogIndirectParamW

advapi32

RegDeleteValueW
RegCloseKey
RegCreateKeyExW
RegDeleteKeyW
RegEnumKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW

ole32

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

oleaut32

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

gdi32

SelectObject
GetStockObject
GetDeviceCaps
DeleteObject
DeleteDC
GetObjectW
CreateCompatibleDC
CreateCompatibleBitmap
SetBkMode
SetLayout
SetTextColor
CreateSolidBrush
CreateFontW
BitBlt

comctl32

InitCommonControlsEx

Sections

.text
Size: 132KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 691KB - Virtual size: 691KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 2.5MB - Virtual size: 2.5MB

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

143cb7d865c2776762c6126d01c9a182

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

f3:6b:cf:66:3c:20:f0:ea:69:d0:2c:06:b2:f0:09:9b:36:5b:fe:ddSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

ole32

oleaut32

gdi32

comctl32

Sections

.text Size: 132KB - Virtual size: 132KB

.rdata Size: 41KB - Virtual size: 40KB

.data Size: 9KB - Virtual size: 23KB

.rsrc Size: 691KB - Virtual size: 691KB

Size: 2.5MB - Virtual size: 2.5MB

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

f3:6b:cf:66:3c:20:f0:ea:69:d0:2c:06:b2:f0:09:9b:36:5b:fe:dd
Signer

.text
Size: 132KB - Virtual size: 132KB

.rdata
Size: 41KB - Virtual size: 40KB

.data
Size: 9KB - Virtual size: 23KB

.rsrc
Size: 691KB - Virtual size: 691KB