2024-05-30_6d8b22474a9211bf234368b949878ce3_bkransomware_floxif

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General

Target

2024-05-30_6d8b22474a9211bf234368b949878ce3_bkransomware_floxif
Size

2.9MB
MD5

6d8b22474a9211bf234368b949878ce3
SHA1

5c4ac06241fe8de5b1aa62936a6763310ff0b6e3
SHA256

812f81f22fbda188a736724a0e3c4229f4048335bfba333f5e8983b2f2349cb0
SHA512

ed3e263efa8e1a5632e41344f42dd4a4ba3994b58d404bfd7e309a6ef4314e213861e1f9cd180dede9c937fb09b8c93b0e6f87a5c3727671cb473a7e3496ff81
SSDEEP

49152:BWV8rsFH+x2svGKO3aJYQID/ffTGDM/SlZiHhO:BWVusFHs2svGKOqJYQk/fZSlT

Score

1^/10

Malware Config

Signatures

Files

2024-05-30_6d8b22474a9211bf234368b949878ce3_bkransomware_floxif
.exe windows:6 windows x86 arch:x86

85558de186816c78553b859b8da29781

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

02:44:53:70:9c:84:72:5b:99:03:71:85:6b:0e:50:e0
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

27/10/2021, 00:00

Not After

23/10/2024, 23:59

Subject

SERIALNUMBER=91330000788831167A,CN=NetEase (Hangzhou) Network Co.\, Ltd,O=NetEase (Hangzhou) Network Co.\, Ltd,L=杭州市,ST=浙江省,C=CN,1.3.6.1.4.1.311.60.2.1.2=#0c09e6b599e6b19fe79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

29/03/2022, 00:00

Not After

14/03/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

b8:db:7a:5b:2f:35:e3:33:d1:65:3a:a3:63:1b:e8:20:67:b7:53:a8:53:d9:b1:6e:07:91:e9:ba:9f:95:a1:53
Signer

Actual PE Digest

b8:db:7a:5b:2f:35:e3:33:d1:65:3a:a3:63:1b:e8:20:67:b7:53:a8:53:d9:b1:6e:07:91:e9:ba:9f:95:a1:53

Digest Algorithm

sha256

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

PDB Paths

D:\source\mumu\downloader\six\out\Release\nemu-downloader.pdb

Imports

shell32

ShellExecuteExW
SHGetMalloc
ShellExecuteW
SHBrowseForFolderW
SHGetFolderPathW
SHGetPathFromIDListW
SHGetSpecialFolderPathW

kernel32

FileTimeToSystemTime
GetModuleFileNameW
GlobalUnlock
CreateEventW
SetCurrentDirectoryW
GetDiskFreeSpaceExW
GetFileSize
UnmapViewOfFile
GetLocalTime
GetFileInformationByHandle
GetCurrentProcess
SystemTimeToTzSpecificLocalTime
GetNativeSystemInfo
DeleteFileW
GetCurrentDirectoryW
CreateFileW
ReadFile
WriteFile
SetFileTime
SystemTimeToFileTime
SetFilePointer
LocalFree
FormatMessageA
GetEnvironmentVariableW
GlobalFree
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
WritePrivateProfileStringW
TerminateProcess
OpenProcess
GetTickCount
SetDllDirectoryW
GetModuleHandleW
LockResource
GetFileAttributesW
SizeofResource
LoadResource
FindResourceW
FindResourceExW
GetUserDefaultUILanguage
GetUserDefaultLocaleName
ReleaseMutex
EnterCriticalSection
MoveFileW
GetProcAddress
OpenMutexW
LeaveCriticalSection
LoadLibraryW
WideCharToMultiByte
TlsAlloc
GetThreadPriority
SetThreadPriority
CreateThread
InitializeCriticalSection
FreeLibrary
FindClose
CreateMutexW
GetCurrentProcessId
CloseHandle
CreateProcessW
GetCurrentThreadId
DeleteCriticalSection
DecodePointer
GetExitCodeProcess
GetLastError
RaiseException
InitializeCriticalSectionEx
MultiByteToWideChar
HeapDestroy
CopyFileW
GetProcessHeap
CreateDirectoryW
HeapFree
HeapAlloc
HeapReAlloc
TlsGetValue
lstrlenA
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetModuleFileNameA
FlushFileBuffers
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
VirtualProtect
VirtualFree
VirtualAlloc
UnregisterWaitEx
InitializeSListHead
ReleaseSemaphore
GetModuleHandleA
FreeLibraryAndExitThread
GetThreadTimes
WriteConsoleW
GetStdHandle
ReadConsoleW
SetEndOfFile
SetStdHandle
AreFileApisANSI
GetModuleHandleExW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
LoadLibraryExW
CreateSemaphoreW
GetStartupInfoW
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlUnwind
GetCPInfo
GetCommandLineA
GetFileAttributesExW
UnregisterWait
RegisterWaitForSingleObject
SetThreadAffinityMask
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
TlsSetValue
TlsFree
GetLogicalProcessorInformation
GlobalAlloc
GetPrivateProfileStringW
GetLogicalDrives
WaitForSingleObject
GlobalLock
HeapSize
GetLogicalDriveStringsW
GetDriveTypeW
Sleep
GetTempPathW
DeviceIoControl
FileTimeToLocalFileTime
VerSetConditionMask
VerifyVersionInfoW
GlobalMemoryStatusEx
GetVersionExW
FindFirstFileW
SwitchToThread
GetProcessAffinityMask
SetProcessAffinityMask
ExitProcess
FreeResource
GetACP
MulDiv
GetFileType
DuplicateHandle
DosDateTimeToFileTime
InitializeCriticalSectionAndSpinCount
GetStringTypeW
EncodePointer
GetSystemTimeAsFileTime
GetCurrentThread
IsDebuggerPresent
OutputDebugStringW
GetTimeZoneInformation
SetFilePointerEx
GetConsoleCP
GetConsoleMode
CreateTimerQueue
IsProcessorFeaturePresent
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
SetEvent
WaitForSingleObjectEx
SignalObjectAndWait
CreateTimerQueueTimer

user32

SendMessageW
MessageBoxExW
MessageBoxW
KillTimer
SetTimer
GetClientRect
IsZoomed
IsIconic
PostQuitMessage
ScreenToClient
SetWindowLongW
GetWindowLongW
LoadIconW
GetDesktopWindow
GetGUIThreadInfo
InvalidateRgn
CreateAcceleratorTableW
MoveWindow
GetWindowTextLengthW
GetWindowTextW
SetWindowTextW
GetSysColor
ClientToScreen
GetCaretPos
SetCaretPos
ShowCaret
HideCaret
GetCaretBlinkTime
CreateCaret
SetRect
FillRect
DrawTextW
EnumDisplayDevicesW
GetSystemMetrics
EnumDisplayMonitors
GetDC
GetMonitorInfoW
EnumDisplaySettingsW
GetMessageW
TranslateMessage
DispatchMessageW
PostMessageW
DefWindowProcW
CallWindowProcW
RegisterClassW
RegisterClassExW
GetClassInfoExW
CreateWindowExW
IsWindow
ShowWindow
SetWindowPos
SetFocus
EnableWindow
SetPropW
GetPropW
GetWindowRect
GetParent
GetWindow
LoadCursorW
MonitorFromWindow
DestroyWindow
IsWindowVisible
CharNextW
GetActiveWindow
GetFocus
GetKeyState
SetCapture
ReleaseCapture
ReleaseDC
BeginPaint
EndPaint
GetUpdateRect
InvalidateRect
GetCursorPos
MapWindowPoints
IntersectRect
UnionRect
IsRectEmpty
PtInRect
SetWindowRgn
wvsprintfW
SetCursor
OffsetRect
CharPrevW

advapi32

ControlService
StartServiceW
OpenServiceW
QueryServiceConfigW
DeleteService
CloseServiceHandle
OpenSCManagerW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegSetValueExW
CryptGetHashParam
CryptAcquireContextW
RegCreateKeyW
CryptReleaseContext
RegOpenKeyW
CryptCreateHash
CryptDestroyHash
CryptHashData
CreateServiceW

ole32

CoInitializeSecurity
CoSetProxyBlanket
CLSIDFromString
CLSIDFromProgID
CoInitialize
OleLockRunning
CreateStreamOnHGlobal
CoCreateGuid
CoCreateInstance
CoUninitialize
CoInitializeEx

oleaut32

SysFreeString
VariantClear
SysAllocString
VariantInit

gdiplus

GdipDeleteGraphics
GdipCreateFromHDC
GdipCreateBitmapFromScan0
GdipGetImageGraphicsContext
GdipDisposeImage
GdipCloneImage
GdipCreateLineBrushI
GdipSetCompositingQuality
GdipCloneBrush
GdiplusShutdown
GdiplusStartup
GdipFree
GdipAlloc
GdipCreateFontFromLogfontA
GdipSetSmoothingMode
GdipSetPixelOffsetMode
GdipSetTextRenderingHint
GdipSetInterpolationMode
GdipGraphicsClear
GdipDrawImage
GdipDrawImageRectI
GdipDeleteFontFamily
GdipCreateFontFromDC
GdipGetPropertyItem
GdipGetPropertyItemSize
GdipImageSelectActiveFrame
GdipImageGetFrameCount
GdipImageGetFrameDimensionsList
GdipImageGetFrameDimensionsCount
GdipGetImageHeight
GdipGetImageWidth
GdipLoadImageFromStreamICM
GdipLoadImageFromStream
GdipSetStringFormatLineAlign
GdipSetStringFormatAlign
GdipDeleteStringFormat
GdipCreateStringFormat
GdipDrawString
GdipGetFamily
GdipDeleteFont
GdipDeleteBrush

winhttp

WinHttpOpenRequest
WinHttpSetTimeouts
WinHttpSetOption
WinHttpGetIEProxyConfigForCurrentUser
WinHttpSendRequest
WinHttpWriteData
WinHttpAddRequestHeaders
WinHttpReadData
WinHttpCrackUrl
WinHttpGetProxyForUrl
WinHttpReceiveResponse
WinHttpOpen
WinHttpQueryDataAvailable
WinHttpQueryHeaders
WinHttpCloseHandle
WinHttpConnect

shlwapi

PathFindFileNameW
PathGetDriveNumberW
PathIsDirectoryW
PathCombineW

rpcrt4

RpcStringFreeW
UuidToStringW

ws2_32

socket
bind
getsockname
ntohs
closesocket
WSAStartup
gethostbyname
inet_ntoa
WSACleanup
htonl

comctl32

_TrackMouseEvent
ord17

imm32

ImmSetCompositionWindow
ImmSetCompositionFontW
ImmReleaseContext
ImmGetContext

iphlpapi

GetAdaptersInfo

gdi32

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

Sections

.text
Size: 2.0MB - Virtual size: 2.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 389KB - Virtual size: 388KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 79KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 264KB - Virtual size: 264KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 122KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

85558de186816c78553b859b8da29781

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

02:44:53:70:9c:84:72:5b:99:03:71:85:6b:0e:50:e0Certificate

Extended Key Usages

Key Usages

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

b8:db:7a:5b:2f:35:e3:33:d1:65:3a:a3:63:1b:e8:20:67:b7:53:a8:53:d9:b1:6e:07:91:e9:ba:9f:95:a1:53Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shell32

kernel32

user32

advapi32

ole32

oleaut32

gdiplus

winhttp

shlwapi

rpcrt4

ws2_32

comctl32

imm32

iphlpapi

gdi32

Sections

.text Size: 2.0MB - Virtual size: 2.0MB

.rdata Size: 389KB - Virtual size: 388KB

.data Size: 79KB - Virtual size: 105KB

.rsrc Size: 264KB - Virtual size: 264KB

.reloc Size: 122KB - Virtual size: 121KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

02:44:53:70:9c:84:72:5b:99:03:71:85:6b:0e:50:e0
Certificate

0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

b8:db:7a:5b:2f:35:e3:33:d1:65:3a:a3:63:1b:e8:20:67:b7:53:a8:53:d9:b1:6e:07:91:e9:ba:9f:95:a1:53
Signer

.text
Size: 2.0MB - Virtual size: 2.0MB

.rdata
Size: 389KB - Virtual size: 388KB

.data
Size: 79KB - Virtual size: 105KB

.rsrc
Size: 264KB - Virtual size: 264KB

.reloc
Size: 122KB - Virtual size: 121KB