2024-08-25_d4f0a95a8b438ecc21addb0cd44f7ec8_bkransomware

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General

Target

2024-08-25_d4f0a95a8b438ecc21addb0cd44f7ec8_bkransomware
Size

700KB
MD5

d4f0a95a8b438ecc21addb0cd44f7ec8
SHA1

4e615fea8ba51c1c5e484d895b28183c14670402
SHA256

d6c12270dbf678e571141ae608959c6a2beb3b4a5ca0e0594348127d73d20c78
SHA512

6220f09e62ccbe371e459372e01dfa181975228613b0a58415eb93429cb05c7a3b3c0054bfe7de956bb77af4ac6d1e0ef4a92be761de766c2433837b6caf64ad
SSDEEP

12288:7GBRv73faZtijmqSH46hxnkNUNZyF1+Ox6O:KBNOZMjmdH1xnkNU41+OxP

Score

1^/10

Malware Config

Signatures

Files

2024-08-25_d4f0a95a8b438ecc21addb0cd44f7ec8_bkransomware
.exe windows:5 windows x86 arch:x86

029a186bebd0e919ac2b773f54f976e1

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

3d:7c:77:7e:f5:8c:fa:82:c4:e9:10:62:e6:f9:f1:7e
Certificate

Issuer

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

Not Before

23/06/2015, 08:16

Not After

23/06/2016, 08:16

Subject

CN=Maanshan Zhiye Software Technology Co.\,Ltd.,O=Maanshan Zhiye Software Technology Co.\,Ltd.,L=Maanshan,ST=Anhui,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

c3:0d:95:85:25:19:9f:52:08:66:76:06:be:ca:e6:ab:1a:dc:dd:75
Signer

Actual PE Digest

c3:0d:95:85:25:19:9f:52:08:66:76:06:be:ca:e6:ab:1a:dc:dd:75

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
GetSystemDirectoryW
GetProcAddress
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
ExitProcess
GetSystemDirectoryA
CreateToolhelp32Snapshot
Process32FirstW
GetCurrentProcess
TerminateProcess
Process32NextW
GetModuleFileNameW
GetComputerNameW
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
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetModuleHandleW
WaitForMultipleObjects
DeleteFileA
CreateProcessA
GetTickCount
InitializeCriticalSection
SetEndOfFile
CreateFileA
CreateDirectoryA
GetTempPathA
Sleep
WriteFile
SetFilePointer
WaitForSingleObject
CreateThread
InterlockedDecrement
CloseHandle
GetProcessHeap
HeapSize
HeapReAlloc
HeapFree
InterlockedExchange
HeapAlloc
DecodePointer
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionAndSpinCount
GetLastError
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStdHandle
AreFileApisANSI
GetModuleHandleExW
GetCommandLineW
ResumeThread
ExitThread
IsProcessorFeaturePresent
EncodePointer
VirtualQuery
VirtualProtect
VirtualAlloc
GetSystemInfo
OutputDebugStringW
IsDebuggerPresent
RaiseException

user32

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

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

ShellExecuteA
Shell_NotifyIconW
ord165
SHGetSpecialFolderPathA
SHGetPathFromIDListA
SHGetSpecialFolderLocation
SHGetPathFromIDListW

ole32

CoUninitialize
CoInitialize
CoCreateInstance
CreateStreamOnHGlobal

oleaut32

SysAllocString
GetErrorInfo
VariantClear
SysFreeString

ws2_32

WSAStartup
gethostbyname
inet_ntoa
socket
setsockopt
closesocket
recv
send
connect
inet_addr
htons

shlwapi

PathFileExistsA
PathRemoveFileSpecW
PathFileExistsW
PathAppendW
PathIsDirectoryW

gdiplus

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

msimg32

AlphaBlend
TransparentBlt

iphlpapi

GetAdaptersInfo

setupapi

SetupIterateCabinetW

urlmon

URLDownloadToFileW

Sections

.text
Size: 168KB - Virtual size: 168KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 327KB - Virtual size: 336KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 109KB - Virtual size: 108KB

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

029a186bebd0e919ac2b773f54f976e1

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

3d:7c:77:7e:f5:8c:fa:82:c4:e9:10:62:e6:f9:f1:7eCertificate

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

c3:0d:95:85:25:19:9f:52:08:66:76:06:be:ca:e6:ab:1a:dc:dd:75Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

ws2_32

shlwapi

gdiplus

msimg32

iphlpapi

setupapi

urlmon

Sections

.text Size: 168KB - Virtual size: 168KB

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

.data Size: 327KB - Virtual size: 336KB

.rsrc Size: 109KB - Virtual size: 108KB

.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

3d:7c:77:7e:f5:8c:fa:82:c4:e9:10:62:e6:f9:f1:7e
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

c3:0d:95:85:25:19:9f:52:08:66:76:06:be:ca:e6:ab:1a:dc:dd:75
Signer

.text
Size: 168KB - Virtual size: 168KB

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

.data
Size: 327KB - Virtual size: 336KB

.rsrc
Size: 109KB - Virtual size: 108KB

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