2024-09-02_752080f69534df9157e00415bcfa27ab_bkransomware

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General

Target

2024-09-02_752080f69534df9157e00415bcfa27ab_bkransomware
Size

690KB
MD5

752080f69534df9157e00415bcfa27ab
SHA1

4567a7e285c84154916dfc0ae653c4d548590754
SHA256

2c0a61ed20b03fbac4813097865e8975a01793b17287d623298aa241af36f2f9
SHA512

f4f83a47a2292c3dc0acd8892e4b7751e9dbeb7b16f926be5b45e756f85d7ad3c1eaf35ceeb515d92f1fa60603531f871331474b0aaf29cde10524c5da8c1b30
SSDEEP

12288:jQwV+ak+cxZkZj5jmqSH46hxnkNUNZyFE+Old:j+36ZVjmdH1xnkNU4E+Ol

Score

1^/10

Malware Config

Signatures

Files

2024-09-02_752080f69534df9157e00415bcfa27ab_bkransomware
.exe windows:5 windows x86 arch:x86

a9121dd3dd18769283da15448701b45b

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

63:7f:e8:cb:ca:34:eb:8f:b2:34:cb:27:c5:7e:02:75
Certificate

Issuer

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

Not Before

10-07-2015 02:14

Not After

10-07-2016 02:14

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

19:c2:85:30:e9:3b:36
Certificate

Issuer

CN=StartCom Certification Authority,OU=Secure Digital Certificate Signing,O=StartCom Ltd.,C=IL

Not Before

17-09-2006 22:46

Not After

31-12-2019 23:59

Subject

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

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

c3:1d:60:2c:20:da:b3:2a:1b:6e:b6:87:23:60:c0:f6:8f:12:92:b6
Signer

Actual PE Digest

c3:1d:60:2c:20:da:b3:2a:1b:6e:b6:87:23:60:c0:f6:8f:12:92:b6

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
FreeLibrary
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
ExitProcess
GetSystemDirectoryA
LoadLibraryA
CreateToolhelp32Snapshot
Process32FirstW
GetCurrentProcess
TerminateProcess
Process32NextW
GetModuleFileNameW
GetComputerNameW
CreateMutexW
SetCurrentDirectoryW
LoadLibraryW
GetTempPathW
MoveFileW
DeleteFileW
CreateFileW
GetFileType
ReadFile
SystemTimeToFileTime
GetCurrentDirectoryW
DosDateTimeToFileTime
LocalFree
lstrlenA
WriteConsoleW
FlushFileBuffers
SetStdHandle
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
SetLastError
GetModuleHandleW
WaitForMultipleObjects
DeleteFileA
CreateProcessA
GetTickCount
InitializeCriticalSection
SetEndOfFile
CreateFileA
CreateDirectoryA
GetTempPathA
Sleep
WriteFile
SetFilePointer
WaitForSingleObject
CreateThread
InterlockedDecrement
CloseHandle
GetProcessHeap
HeapSize
HeapReAlloc
InterlockedExchange
HeapFree
HeapAlloc
DecodePointer
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionAndSpinCount
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStdHandle
AreFileApisANSI
GetModuleHandleExW
GetCommandLineW
ResumeThread
ExitThread
IsProcessorFeaturePresent
EncodePointer
VirtualQuery
VirtualProtect
VirtualAlloc
GetSystemInfo
OutputDebugStringW
IsDebuggerPresent
RaiseException
LCMapStringW

user32

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

CoCreateInstance
CoUninitialize
CoInitialize
CreateStreamOnHGlobal

oleaut32

SysAllocString
GetErrorInfo
VariantClear
SysFreeString

ws2_32

setsockopt
sendto
recvfrom
WSAStartup
gethostbyname
inet_ntoa
closesocket
recv
send
connect
inet_addr
htons
socket

shlwapi

PathFileExistsA
PathRemoveFileSpecW
PathFileExistsW
PathAppendW
PathIsDirectoryW

gdiplus

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

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: 39KB - Virtual size: 51KB

IMAGE_SCN_CNT_CODE
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

a9121dd3dd18769283da15448701b45b

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

63:7f:e8:cb:ca:34:eb:8f:b2:34:cb:27:c5:7e:02:75Certificate

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

19:c2:85:30:e9:3b:36Certificate

Key Usages

c3:1d:60:2c:20:da:b3:2a:1b:6e:b6:87:23:60:c0:f6:8f:12:92:b6Signer

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: 39KB - Virtual size: 51KB

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

63:7f:e8:cb:ca:34:eb:8f:b2:34:cb:27:c5:7e:02:75
Certificate

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

19:c2:85:30:e9:3b:36
Certificate

c3:1d:60:2c:20:da:b3:2a:1b:6e:b6:87:23:60:c0:f6:8f:12:92:b6
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: 39KB - Virtual size: 51KB