2024-06-08_50a07b37667364562a5bacda2962c8d4_bkransomware

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General

Target

2024-06-08_50a07b37667364562a5bacda2962c8d4_bkransomware
Size

672KB
MD5

50a07b37667364562a5bacda2962c8d4
SHA1

3862ee08ab306a917d1ea5058dafb437027da1ab
SHA256

c7e8651e138ded545abe816fdcb9b115c738b48940d2d703bd98502a9f114590
SHA512

ac39ad0d23d699f67e79f8f9d55ba79d6da9414d87a332540be72b61dd00e8ff4f4218d697954b4e6d455f8f24f0f9cfa98d68e8eaebbba3fc90ac01e197dbe8
SSDEEP

12288:7AMsQnOhFIwZ1KUcZdKRlMVyRgjAzJGXCx3eK4i5Fkl:7AMGkrZ8lniAFGyxf/5Fk

Score

1^/10

Malware Config

Signatures

Files

2024-06-08_50a07b37667364562a5bacda2962c8d4_bkransomware
.exe windows:5 windows x86 arch:x86

24be2bba3730b7a442e3b62a0767065e

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

Issuer

CN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZA

Not Before

21/12/2012, 00:00

Not After

30/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

Issuer

CN=Symantec Time Stamping Services CA - G2,O=Symantec Corporation,C=US

Not Before

18/10/2012, 00:00

Not After

29/12/2020, 23:59

Subject

CN=Symantec Time Stamping Services Signer - G4,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

2a:da:11:49:d6:6c:3d:d3:e7:d5:fa:9f:4f:8a:06:49
Certificate

Issuer

CN=WoSign Class 3 Code Signing CA,O=WoSign CA Limited,C=CN

Not Before

14/01/2015, 09:05

Not After

14/01/2016, 09:05

Subject

CN=Ruifeng Network Technology Co.\, Ltd.,O=Ruifeng Network Technology Co.\, Ltd.,L=Jintan,ST=Jiangsu,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:00:36:7b:02:ea:cd:06:50:7a:73:00:00:00:00:00:36
Certificate

Issuer

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

Not Before

15/08/2013, 20:28

Not After

15/08/2023, 20:38

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment
KeyUsageCertSign
KeyUsageCRLSign

6b:da:df:ef:f0:66:1b:d2:64:2a:f4:6e:cb:b2:79:40
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

09/07/1999, 18:31

Not After

09/07/2019, 18:40

Subject

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/08/2009, 01:00

Not After

08/08/2024, 01:00

Subject

CN=WoSign Class 3 Code Signing CA,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

27:4f:10:56:e8:ee:af:4f:fd:92:4a:57:5d:37:61:a2:3c:30:6d:f7
Signer

Actual PE Digest

27:4f:10:56:e8:ee:af:4f:fd:92:4a:57:5d:37:61:a2:3c:30:6d:f7

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

GetVersionExW
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
GetProcAddress
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
ExitProcess
CreateToolhelp32Snapshot
Process32FirstW
GetCurrentProcess
TerminateProcess
Process32NextW
GetModuleFileNameW
lstrcpyW
lstrcatW
CreateMutexW
SetCurrentDirectoryW
LoadLibraryW
GetTempPathW
MoveFileW
DeleteFileW
CreateFileW
GetFileType
ReadFile
SystemTimeToFileTime
GetCurrentDirectoryW
DosDateTimeToFileTime
LocalFree
lstrlenA
WriteConsoleW
FlushFileBuffers
SetStdHandle
LCMapStringW
DeviceIoControl
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
GetStringTypeW
LoadLibraryExW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
GetConsoleCP
ReadConsoleW
GetConsoleMode
SetFilePointerEx
RtlUnwind
GetCurrentThreadId
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetStartupInfoW
GetModuleHandleW
WaitForMultipleObjects
DeleteFileA
CreateProcessA
GetTickCount
InitializeCriticalSection
SetEndOfFile
CreateFileA
CreateDirectoryA
GetTempPathA
Sleep
WriteFile
SetFilePointer
WaitForSingleObject
CreateThread
InterlockedDecrement
CloseHandle
GetProcessHeap
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
InterlockedExchange
DecodePointer
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionAndSpinCount
GetLastError
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStdHandle
AreFileApisANSI
GetModuleHandleExW
GetCommandLineW
ResumeThread
ExitThread
IsProcessorFeaturePresent
EncodePointer
VirtualQuery
VirtualProtect
VirtualAlloc
GetSystemInfo
OutputDebugStringW
IsDebuggerPresent
RaiseException

user32

GetSystemMetrics
RegisterClassExW
LoadIconW
LoadCursorW
BeginPaint
EndPaint
DefWindowProcW
SetRectEmpty
CopyRect
GetDC
FillRect
GetSubMenu
GetCursorPos
TrackPopupMenu
PostQuitMessage
SetWindowPos
IsWindow
DrawTextA
SetCursor
ReleaseDC
ShowWindow
SetWindowTextA
LoadMenuW
DestroyWindow
TranslateMessage
DispatchMessageW
GetMessageW
MessageBoxW
SetRect
PtInRect
CreateWindowExW
SendMessageW
PostMessageW

gdi32

CreateCompatibleDC
FrameRgn
TextOutA
SetTextColor
GetTextExtentPoint32A
CreateSolidBrush
CreateRoundRectRgn
SetBkMode
EnumFontsW
CreateFontW
GetDIBColorTable
StretchBlt
CreateCompatibleBitmap
GetObjectW
SetDIBColorTable
SelectObject
DeleteObject
CreateDIBSection
BitBlt
DeleteDC

advapi32

RegSetValueExA
RegCreateKeyExA
RegCloseKey

shell32

SHGetPathFromIDListA
Shell_NotifyIconW
ShellExecuteA
SHGetPathFromIDListW
ord165
SHGetSpecialFolderLocation

ole32

CoUninitialize
CoInitialize
CoCreateInstance
CreateStreamOnHGlobal

oleaut32

SysFreeString
GetErrorInfo
SysAllocString
VariantClear

ws2_32

setsockopt
gethostbyname
inet_ntoa
socket
htons
inet_addr
connect
recv
closesocket
WSAStartup
send

shlwapi

PathAppendW
PathIsDirectoryW
PathRemoveFileSpecW
PathFileExistsW

gdiplus

GdipGetImageGraphicsContext
GdipDeleteGraphics
GdipDrawImageI
GdipFree
GdipAlloc
GdiplusShutdown
GdiplusStartup
GdipBitmapUnlockBits
GdipBitmapLockBits
GdipCreateBitmapFromScan0
GdipCreateBitmapFromStream
GdipCloneImage
GdipGetImagePalette
GdipGetImagePaletteSize
GdipGetImagePixelFormat
GdipGetImageHeight
GdipGetImageWidth
GdipDisposeImage

msimg32

AlphaBlend
TransparentBlt

iphlpapi

GetAdaptersInfo

setupapi

SetupIterateCabinetW

urlmon

URLDownloadToFileW

Sections

.text
Size: 164KB - Virtual size: 164KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 325KB - Virtual size: 334KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 118KB - Virtual size: 118KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

24be2bba3730b7a442e3b62a0767065e

Code Sign

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3bCertificate

Extended Key Usages

Key Usages

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50Certificate

Extended Key Usages

Key Usages

2a:da:11:49:d6:6c:3d:d3:e7:d5:fa:9f:4f:8a:06:49Certificate

Extended Key Usages

Key Usages

33:00:00:00:36:7b:02:ea:cd:06:50:7a:73:00:00:00:00:00:36Certificate

Extended Key Usages

Key Usages

6b:da:df:ef:f0:66:1b:d2:64:2a:f4:6e:cb:b2:79:40Certificate

Extended Key Usages

Key Usages

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79Certificate

Extended Key Usages

Key Usages

27:4f:10:56:e8:ee:af:4f:fd:92:4a:57:5d:37:61:a2:3c:30:6d:f7Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

ws2_32

shlwapi

gdiplus

msimg32

iphlpapi

setupapi

urlmon

Sections

.text Size: 164KB - Virtual size: 164KB

.rdata Size: 45KB - Virtual size: 44KB

.data Size: 325KB - Virtual size: 334KB

.rsrc Size: 118KB - Virtual size: 118KB

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

7e:93:eb:fb:7c:c6:4e:59:ea:4b:9a:77:d4:06:fc:3b
Certificate

0e:cf:f4:38:c8:fe:bf:35:6e:04:d8:6a:98:1b:1a:50
Certificate

2a:da:11:49:d6:6c:3d:d3:e7:d5:fa:9f:4f:8a:06:49
Certificate

33:00:00:00:36:7b:02:ea:cd:06:50:7a:73:00:00:00:00:00:36
Certificate

6b:da:df:ef:f0:66:1b:d2:64:2a:f4:6e:cb:b2:79:40
Certificate

46:bb:b3:40:fa:b9:c1:79:28:93:8c:93:da:10:86:79
Certificate

27:4f:10:56:e8:ee:af:4f:fd:92:4a:57:5d:37:61:a2:3c:30:6d:f7
Signer

.text
Size: 164KB - Virtual size: 164KB

.rdata
Size: 45KB - Virtual size: 44KB

.data
Size: 325KB - Virtual size: 334KB

.rsrc
Size: 118KB - Virtual size: 118KB

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