2024-05-10_5537391f810b1e49c5612a627fee421c_bkransomware

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General

Target

2024-05-10_5537391f810b1e49c5612a627fee421c_bkransomware
Size

542KB
MD5

5537391f810b1e49c5612a627fee421c
SHA1

965e4d24d8a8b7684d1194d05adf7b5917d1165a
SHA256

98264b68d3684be26efcd2416b07455e11903fe97dca9565e49889d5509a817f
SHA512

1e88ef1e6fbedebcda52d84f4ff29d4d0be10ec331d9bdadd4074c6093b1d3fdfb6fe19b5fb6d67b75e6848ec1ffe14dd8d5f4dc22c3ae3864665228b50d8759
SSDEEP

12288:ntOw6BaP4cCWV7q9zGImAjJdcH4j3ttzFdVCLNSfHoS:d6ByvV7uNRjr4CFTl

Score

10^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

Files

2024-05-10_5537391f810b1e49c5612a627fee421c_bkransomware
.exe windows:5 windows x86 arch:x86

193b654ecb38f71ffa2fa47fac4c2bf7

Code Sign

48:1b:6a:07:26:d2:e8:3f:26:02:d4:82:5a:cd
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

15/06/2016, 00:00

Not After

15/06/2024, 00:00

Subject

CN=GlobalSign CodeSigning CA - SHA256 - G3,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageOCSPSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

42:f7:ce:c0:08:6a:c8:87:bb:81:ba:16
Certificate

Issuer

CN=GlobalSign CodeSigning CA - SHA256 - G3,O=GlobalSign nv-sa,C=BE

Not Before

24/01/2018, 09:39

Not After

04/07/2020, 06:50

Subject

CN=AutoIt Consulting Ltd,O=AutoIt Consulting Ltd,L=Birmingham,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

13:b7:74:ee:59:e3:5e:c6:06:26:16:89
Certificate

Issuer

CN=GlobalSign Timestamping CA - SHA256 - G2,O=GlobalSign nv-sa,C=BE

Not Before

28/02/2018, 10:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign TSA for Advanced - G3 - 002-02,O=GMO GlobalSign K.K.,C=JP

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

04:00:00:00:00:01:31:89:c6:50:04
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

02/08/2011, 10:00

Not After

29/03/2029, 10:00

Subject

CN=GlobalSign Timestamping CA - SHA256 - G2,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

04:00:00:00:00:01:21:58:53:08:a2
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

18/03/2009, 10:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

17:a4:f5:a9:1e:ec:e0:17:7e:3c:a2:9a:33:d4:11:7f:a6:d7:63:8b:eb:7e:56:be:e2:12:34:f4:fd:a9:1a:73
Signer

Actual PE Digest

17:a4:f5:a9:1e:ec:e0:17:7e:3c:a2:9a:33:d4:11:7f:a6:d7:63:8b:eb:7e:56:be:e2:12:34:f4:fd:a9:1a:73

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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

comctl32

InitCommonControlsEx

kernel32

GlobalUnlock
FlushFileBuffers
WriteConsoleW
SetStdHandle
OutputDebugStringW
HeapReAlloc
LoadLibraryExW
LCMapStringW
RtlUnwind
SetFilePointerEx
GetConsoleMode
GetConsoleCP
LeaveCriticalSection
EnterCriticalSection
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
WriteFile
GetModuleFileNameW
DeleteCriticalSection
GetFileType
GetStdHandle
GetProcessHeap
HeapSize
GetModuleHandleExW
ExitProcess
WideCharToMultiByte
GetStringTypeW
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
TerminateProcess
GetCurrentProcess
Sleep
InitializeCriticalSectionAndSpinCount
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
HeapFree
GetLastError
RaiseException
HeapAlloc
GetCommandLineW
DecodePointer
EncodePointer
IsProcessorFeaturePresent
IsDebuggerPresent
CloseHandle
VirtualFreeEx
ReadProcessMemory
VirtualAllocEx
OpenProcess
CreateFileW
GlobalLock
GlobalAlloc
FreeLibrary
GetProcAddress
GetModuleHandleW
MulDiv
MultiByteToWideChar
GetCurrentThreadId

user32

GetClassNameW
SendMessageTimeoutW
AttachThreadInput
GetWindowThreadProcessId
GetWindowLongW
GetParent
SendMessageW
GetCursor
GetDesktopWindow
RedrawWindow
GetWindowDC
IsWindow
GetWindow
ChildWindowFromPointEx
ClientToScreen
EnumChildWindows
GetWindowTextW
GetDlgCtrlID
GetForegroundWindow
WindowFromPoint
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
ReleaseCapture
SendDlgItemMessageW
SetCapture
SetCursor
EndDeferWindowPos
DeferWindowPos
BeginDeferWindowPos
DefWindowProcW
MessageBoxW
DestroyWindow
KillTimer
PostQuitMessage
GetWindowPlacement
RegisterClassExW
LoadIconW
DispatchMessageW
TranslateMessage
IsDialogMessageW
GetMessageW
SetTimer
GetClientRect
SetWindowTextW
SetWindowPos
GetMenu
CheckMenuItem
LoadCursorW
LoadImageW
RegisterWindowMessageW
RegisterHotKey
CreateWindowExW
DestroyIcon
ReleaseDC
GetDC
GetCursorPos
IsWindowVisible
ShowWindow
EnableWindow
MoveWindow
ScreenToClient
GetWindowRect
InvalidateRect

gdi32

DeleteDC
BitBlt
LineTo
MoveToEx
StretchBlt
PatBlt
CreateCompatibleBitmap
CreateCompatibleDC
Rectangle
SetROP2
GetStockObject
SelectObject
CreatePen
GetPixel
DeleteObject
CreateFontW

comdlg32

ChooseColorW

advapi32

RegOpenKeyExW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
RegQueryValueExW

Sections

.text
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 25KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 828KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

193b654ecb38f71ffa2fa47fac4c2bf7

Code Sign

48:1b:6a:07:26:d2:e8:3f:26:02:d4:82:5a:cdCertificate

Extended Key Usages

Key Usages

42:f7:ce:c0:08:6a:c8:87:bb:81:ba:16Certificate

Extended Key Usages

Key Usages

13:b7:74:ee:59:e3:5e:c6:06:26:16:89Certificate

Extended Key Usages

Key Usages

04:00:00:00:00:01:31:89:c6:50:04Certificate

Key Usages

04:00:00:00:00:01:21:58:53:08:a2Certificate

Key Usages

17:a4:f5:a9:1e:ec:e0:17:7e:3c:a2:9a:33:d4:11:7f:a6:d7:63:8b:eb:7e:56:be:e2:12:34:f4:fd:a9:1a:73Signer

Headers

DLL Characteristics

File Characteristics

Imports

comctl32

kernel32

user32

gdi32

comdlg32

advapi32

Sections

.text Size: 63KB - Virtual size: 62KB

.rdata Size: 25KB - Virtual size: 25KB

.data Size: 4KB - Virtual size: 828KB

.rsrc Size: 46KB - Virtual size: 45KB

.reloc Size: 5KB - Virtual size: 5KB

48:1b:6a:07:26:d2:e8:3f:26:02:d4:82:5a:cd
Certificate

42:f7:ce:c0:08:6a:c8:87:bb:81:ba:16
Certificate

13:b7:74:ee:59:e3:5e:c6:06:26:16:89
Certificate

04:00:00:00:00:01:31:89:c6:50:04
Certificate

04:00:00:00:00:01:21:58:53:08:a2
Certificate

17:a4:f5:a9:1e:ec:e0:17:7e:3c:a2:9a:33:d4:11:7f:a6:d7:63:8b:eb:7e:56:be:e2:12:34:f4:fd:a9:1a:73
Signer

.text
Size: 63KB - Virtual size: 62KB

.rdata
Size: 25KB - Virtual size: 25KB

.data
Size: 4KB - Virtual size: 828KB

.rsrc
Size: 46KB - Virtual size: 45KB

.reloc
Size: 5KB - Virtual size: 5KB