2024-05-28_fbc2d221a0759e5cb8048681af278c02_bkransomware

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General

Target

2024-05-28_fbc2d221a0759e5cb8048681af278c02_bkransomware
Size

1.1MB
MD5

fbc2d221a0759e5cb8048681af278c02
SHA1

f7567153ea595e4f40d809b6fd252184ff359c32
SHA256

6f4bed0b251bf624fb17a543c2fc6d225f5ca70cde3401ef9e36aeb8154cb4ad
SHA512

306275eea8c77763a01553b7b5544abda54b07614a4650ef00de1dfcc5eb579c30c0d7804d6dd483abbd9e91253aff7085be9410b551a3d3ec0a339675cb7ef5
SSDEEP

12288:T5wSQnSSD0Hv7zvSHMjxIei4dAVXZy4dcbYMfeIELdEYeu+Z4N4yTJJcvaFNx4Ee:T55IekXZy4ibYNIMV+a/Wt

Score

1^/10

Malware Config

Signatures

Files

2024-05-28_fbc2d221a0759e5cb8048681af278c02_bkransomware
.exe windows:5 windows x86 arch:x86

592717644699e310b5641d4ac5bf02f2

Code Sign

04:00:00:00:00:01:2f:4e:e1:52:d7
Certificate

Issuer

CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE

Not Before

13/04/2011, 10:00

Not After

28/01/2028, 12:00

Subject

CN=GlobalSign Timestamping CA - G2,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

11:21:d6:99:a7:64:97:3e:f1:f8:42:7e:e9:19:cc:53:41:14
Certificate

Issuer

CN=GlobalSign Timestamping CA - G2,O=GlobalSign nv-sa,C=BE

Not Before

24/05/2016, 00:00

Not After

24/06/2027, 00:00

Subject

CN=GlobalSign TSA for MS Authenticode - G2,O=GMO GlobalSign Pte Ltd,C=SG

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

25:0c:e8:e0:30:61:2e:9f:2b:89:f7:05:4d:7c:f8:fd
Certificate

Issuer

OU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US

Not Before

08/11/2006, 00:00

Not After

07/11/2021, 23:59

Subject

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageNetscapeServerGatedCrypto

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

06:cb:1e:43:13:4f:51:b2:21:23:cd:80:35:dc:12:d9
Certificate

Issuer

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

18/04/2018, 00:00

Not After

18/05/2019, 23:59

Subject

CN=深圳市考拉超课科技股份有限公司,OU=研发六部,O=深圳市考拉超课科技股份有限公司,L=深圳,ST=广东,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

10/12/2013, 00:00

Not After

09/12/2023, 23:59

Subject

CN=Symantec Class 3 SHA256 Code Signing CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

8c:e5:20:65:53:2d:92:fb:4d:1d:db:21:8e:49:65:71:f4:e2:3f:78
Signer

Actual PE Digest

8c:e5:20:65:53:2d:92:fb:4d:1d:db:21:8e:49:65:71:f4:e2:3f:78

Digest Algorithm

sha1

PE Digest Matches

true

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

PDB Paths

D:\Projects\market_teacher_windows_pc\tags item\3.3.5alpha\output\update.pdb

Imports

kernel32

DuplicateHandle
DosDateTimeToFileTime
SystemTimeToFileTime
MulDiv
SetEndOfFile
OutputDebugStringW
FlushFileBuffers
WriteConsoleW
SetStdHandle
LCMapStringW
VirtualQuery
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetProcessHeap
MoveFileExW
GetStdHandle
ReadConsoleW
SetFilePointerEx
CreateDirectoryW
WriteFile
HeapSize
GetStringTypeW
GetCPInfo
GetOEMCP
IsValidCodePage
GetModuleHandleExW
GetFileAttributesExW
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
SetLastError
UnhandledExceptionFilter
RtlUnwind
HeapReAlloc
GetCommandLineW
HeapAlloc
HeapFree
AreFileApisANSI
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
LocalFree
ExitProcess
SetFileTime
SetFilePointer
GetConsoleCP
GetFileType
GetACP
ReadFile
GetFileSize
CreateThread
GetCurrentProcessId
DeleteFileW
CloseHandle
GetDiskFreeSpaceExA
GetCurrentThreadId
CreateToolhelp32Snapshot
lstrcmpiW
Process32NextW
GetModuleFileNameA
DecodePointer
LockResource
Process32FirstW
GetProcAddress
GetCurrentDirectoryW
RaiseException
CreateFileW
GetModuleFileNameW
SizeofResource
Sleep
InitializeCriticalSectionAndSpinCount
LoadLibraryW
OpenProcess
GetModuleHandleW
WaitForSingleObject
GetCurrentProcess
InterlockedDecrement
MultiByteToWideChar
InterlockedIncrement
LoadLibraryExW
SetUnhandledExceptionFilter
LoadResource
FreeLibrary
FindResourceW
FreeResource
GetTickCount
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
GetFileAttributesA
SetFileAttributesA
RemoveDirectoryA
FindClose
FindNextFileA
GetLastError
DeleteFileA
FindFirstFileA
GetLocalTime
WideCharToMultiByte
GetConsoleMode

user32

IsRectEmpty
IntersectRect
WindowFromPoint
MapWindowPoints
SetCaretPos
GetCaretBlinkTime
CreateCaret
InvalidateRect
GetUpdateRect
EndPaint
BeginPaint
ReleaseDC
GetDC
KillTimer
PtInRect
GetClassNameW
MoveWindow
GetWindowRgn
CharPrevW
DrawTextW
FillRect
SetRect
HideCaret
wsprintfW
DestroyMenu
GetSystemMetrics
MessageBoxW
InsertMenuW
IsWindow
CreatePopupMenu
ShowCaret
GetCaretPos
ClientToScreen
GetSysColor
SetWindowTextW
GetWindowTextW
GetWindowTextLengthW
SendNotifyMessageA
CreateAcceleratorTableW
InvalidateRgn
GetCursorPos
SetWindowPos
SetWindowLongW
GetWindowLongW
MessageBoxA
FindWindowW
SetForegroundWindow
PostMessageW
LoadImageW
IsIconic
TrackPopupMenu
CharNextW
PostQuitMessage
GetMessageW
TranslateMessage
DispatchMessageW
SendMessageW
DefWindowProcW
CallWindowProcW
RegisterClassW
RegisterClassExW
GetClassInfoExW
CreateWindowExW
SetFocus
EnableWindow
SetPropW
GetPropW
GetClientRect
GetWindowRect
GetParent
GetWindow
LoadCursorW
SystemParametersInfoW
SetTimer
ReleaseCapture
SetCapture
GetKeyState
ShowWindow
SetCursor
InflateRect
UnionRect
OffsetRect
IsZoomed
SetWindowRgn
ScreenToClient
MonitorFromWindow
GetMonitorInfoW
DestroyWindow
UpdateLayeredWindow
GetFocus

gdi32

BitBlt
CreateRoundRectRgn
DeleteObject
CreateRectRgn
PtInRegion
CombineRgn
CreatePenIndirect
CreateRectRgnIndirect
GetCharABCWidthsW
GetClipBox
GetTextExtentPoint32W
LineTo
CreateCompatibleBitmap
RoundRect
SelectClipRgn
ExtSelectClipRgn
SetBkColor
SetBkMode
SetStretchBltMode
SetTextColor
MoveToEx
TextOutW
GetDeviceCaps
SetPixel
CreateCompatibleDC
CreatePen
CreateFontIndirectW
DeleteDC
GetStockObject
RestoreDC
SaveDC
SelectObject
StretchBlt
GetTextMetricsW
CreateDIBSection
GetObjectW
SetWindowOrgEx
Rectangle
CreateSolidBrush
GetObjectA

advapi32

RegEnumKeyExW
RegQueryInfoKeyW
RegSetValueExW
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegDeleteValueW
RegDeleteKeyW

shell32

ShellExecuteA
SHGetSpecialFolderPathA
Shell_NotifyIconW
SHCreateDirectoryExW

ole32

OleLockRunning
CLSIDFromProgID
CLSIDFromString
CoTaskMemAlloc
CoTaskMemFree
CoInitialize
OleUninitialize
OleInitialize
CoTaskMemRealloc
CoUninitialize
CoCreateInstance

oleaut32

VariantClear
VariantInit
SysFreeString
SysAllocString
VarUI4FromStr

gdiplus

GdipSetStringFormatTrimming
GdipSetStringFormatFlags
GdipCloneStringFormat
GdipMeasureString
GdipFillRectangleI
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromFileICM
GdipCreateBitmapFromFile
GdipGetImageHeight
GdipGetImageWidth
GdipDisposeImage
GdipCloneImage
GdipCreateSolidFill
GdipSetStringFormatLineAlign
GdipSetStringFormatAlign
GdipDeleteStringFormat
GdipCreateStringFormat
GdipDrawString
GdipDeleteFont
GdipCreateFontFromLogfontA
GdipCreateFontFromDC
GdipSetTextRenderingHint
GdipCreateLineBrushI
GdipDeleteBrush
GdipCloneBrush
GdipFree
GdipAlloc
GdipDrawArc
GdipDrawLineI
GdipSetSmoothingMode
GdipDeleteGraphics
GdipCreateFromHDC
GdipDeletePen
GdipCreatePen1
GdiplusShutdown
GdiplusStartup
GdipStringFormatGetGenericTypographic

imm32

ImmGetContext
ImmSetCompositionWindow
ImmReleaseContext

shlwapi

PathFileExistsW

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

ws2_32

WSACleanup
WSAGetLastError
WSAStartup
ioctlsocket
connect
inet_addr
setsockopt
recv
socket
__WSAFDIsSet
closesocket
gethostbyname
send
getsockopt
htons
select

dbghelp

MiniDumpWriteDump

comctl32

ord17
_TrackMouseEvent

Sections

.text
Size: 714KB - Virtual size: 713KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 117KB - Virtual size: 117KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

SharedKo
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 214KB - Virtual size: 213KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

592717644699e310b5641d4ac5bf02f2

Code Sign

04:00:00:00:00:01:2f:4e:e1:52:d7Certificate

Key Usages

11:21:d6:99:a7:64:97:3e:f1:f8:42:7e:e9:19:cc:53:41:14Certificate

Extended Key Usages

Key Usages

25:0c:e8:e0:30:61:2e:9f:2b:89:f7:05:4d:7c:f8:fdCertificate

Extended Key Usages

Key Usages

06:cb:1e:43:13:4f:51:b2:21:23:cd:80:35:dc:12:d9Certificate

Extended Key Usages

Key Usages

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2aCertificate

Extended Key Usages

Key Usages

8c:e5:20:65:53:2d:92:fb:4d:1d:db:21:8e:49:65:71:f4:e2:3f:78Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

gdiplus

imm32

shlwapi

version

ws2_32

dbghelp

comctl32

Sections

.text Size: 714KB - Virtual size: 713KB

.rdata Size: 117KB - Virtual size: 117KB

.data Size: 11KB - Virtual size: 22KB

SharedKo Size: 512B - Virtual size: 8B

.rsrc Size: 214KB - Virtual size: 213KB

.reloc Size: 31KB - Virtual size: 31KB

04:00:00:00:00:01:2f:4e:e1:52:d7
Certificate

11:21:d6:99:a7:64:97:3e:f1:f8:42:7e:e9:19:cc:53:41:14
Certificate

25:0c:e8:e0:30:61:2e:9f:2b:89:f7:05:4d:7c:f8:fd
Certificate

06:cb:1e:43:13:4f:51:b2:21:23:cd:80:35:dc:12:d9
Certificate

3d:78:d7:f9:76:49:60:b2:61:7d:f4:f0:1e:ca:86:2a
Certificate

8c:e5:20:65:53:2d:92:fb:4d:1d:db:21:8e:49:65:71:f4:e2:3f:78
Signer

.text
Size: 714KB - Virtual size: 713KB

.rdata
Size: 117KB - Virtual size: 117KB

.data
Size: 11KB - Virtual size: 22KB

SharedKo
Size: 512B - Virtual size: 8B

.rsrc
Size: 214KB - Virtual size: 213KB

.reloc
Size: 31KB - Virtual size: 31KB