2024-09-04_a7ae05dc683ca27d0b693893fbd20b67_bkransomware

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General

Target

2024-09-04_a7ae05dc683ca27d0b693893fbd20b67_bkransomware
Size

668KB
MD5

a7ae05dc683ca27d0b693893fbd20b67
SHA1

37aa1ca6de325befe0f85e5a5587cee7ab3fc85a
SHA256

2ab4880741518af24cd887f4991b522deb5193011682806117c38266fb3cd214
SHA512

a8c94d4654cddf30953cf605ae7bf32aa6004178ef87f5c0b39bb87a6b14aabe45ce0738aff7c16adfee76a1c0b055251b276acc337947f810f86ee415735dbf
SSDEEP

12288:AQwV+ak+cxZkZj5jmqSH46hxnkNUNZyFE+Old:A+36ZVjmdH1xnkNU4E+Ol

Score

1^/10

Malware Config

Signatures

Files

2024-09-04_a7ae05dc683ca27d0b693893fbd20b67_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

5e:be:13:25:f0:a9:2e:02:4a:11:29:9f:cf:43:d3:fe:2b:dd:3b:4b
Signer

Actual PE Digest

5e:be:13:25:f0:a9:2e:02:4a:11:29:9f:cf:43:d3:fe:2b:dd:3b:4b

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: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

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

5e:be:13:25:f0:a9:2e:02:4a:11:29:9f:cf:43:d3:fe:2b:dd:3b:4bSigner

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

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

5e:be:13:25:f0:a9:2e:02:4a:11:29:9f:cf:43:d3:fe:2b:dd:3b:4b
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