2024-09-21_9ba4f4b618ebe23a287cffe3f9ef57a8_bkransomware_hijackloader

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General

Target

2024-09-21_9ba4f4b618ebe23a287cffe3f9ef57a8_bkransomware_hijackloader
Size

3.2MB
MD5

9ba4f4b618ebe23a287cffe3f9ef57a8
SHA1

ad0125a143b17e9bc7a9687cf14d1e16ef974988
SHA256

c21d642dcd25ba3297463e911b99509ba966b4580d451f081fccad94e5babe5e
SHA512

4b1919b8b313cf4f0c2c01178b2b9e84833883e0bf24eb56e08a2a614521495cc83354a41abec9cc46cc9ae0549b7d0bae1ac2cf7f123ba757aa0a9828163670
SSDEEP

49152:hTpjbGWrwjqrrV6LUL2FwaRCJfT8OrsT6ZmIAJTvj4wd4/Qd5:hTlq0wGl6LULgRCB8Orst4i

Score

1^/10

Malware Config

Signatures

Files

2024-09-21_9ba4f4b618ebe23a287cffe3f9ef57a8_bkransomware_hijackloader
.exe windows:6 windows x86 arch:x86

b7d85716655279320a9f2d0d8ccf3da5

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

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

Not Before

14-07-2023 00:00

Not After

13-10-2034 23:59

Subject

CN=DigiCert Timestamp 2023,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

58:21:82:a7:50:ba:40:b8:5c:a5:b6:85:de:b4:8f:5f:f4:50:db:fb:f1:d6:7b:db:c4:e1:f5:c9:cf:ba:67:b8
Signer

Actual PE Digest

58:21:82:a7:50:ba:40:b8:5c:a5:b6:85:de:b4:8f:5f:f4:50:db:fb:f1:d6:7b:db:c4:e1:f5:c9:cf:ba:67:b8

Digest Algorithm

sha256

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:\downloader-six\out\Release_x\nemu-downloader.pdb

Imports

shell32

ShellExecuteExW
SHGetMalloc
ShellExecuteW
SHBrowseForFolderW
SHGetFolderPathW
SHGetPathFromIDListW
SHGetSpecialFolderPathW

kernel32

GetModuleFileNameW
GlobalUnlock
FindClose
CreateEventW
SetCurrentDirectoryW
RemoveDirectoryW
FindNextFileW
GetDiskFreeSpaceExW
GetFileSize
GetLocalTime
GlobalLock
GetLogicalDriveStringsW
GetCurrentProcess
GetNativeSystemInfo
FindFirstFileW
GetEnvironmentVariableW
GetCurrentDirectoryW
CreateFileW
ReadFile
WriteFile
SetFileTime
SystemTimeToFileTime
SetFilePointer
LocalFree
FormatMessageA
GlobalFree
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
WritePrivateProfileStringW
TerminateProcess
OpenProcess
GetTickCount
LoadLibraryW
GetProcAddress
GetModuleHandleW
LockResource
GetFileAttributesW
SizeofResource
LoadResource
FindResourceW
FindResourceExW
GetUserDefaultUILanguage
GetUserDefaultLocaleName
ReleaseMutex
EnterCriticalSection
MoveFileW
OpenMutexW
LeaveCriticalSection
WideCharToMultiByte
InitializeCriticalSection
CreateMutexW
DeviceIoControl
GetCurrentProcessId
SignalObjectAndWait
WaitForSingleObjectEx
SetEvent
CloseHandle
CreateProcessW
DeleteFileW
GetCurrentThreadId
DeleteCriticalSection
DecodePointer
HeapSize
FileTimeToSystemTime
RaiseException
InitializeCriticalSectionEx
MultiByteToWideChar
HeapDestroy
CopyFileW
GetProcessHeap
CreateDirectoryW
HeapFree
HeapAlloc
HeapReAlloc
SwitchToThread
lstrlenA
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetModuleFileNameA
GetOEMCP
IsValidCodePage
FlushFileBuffers
VirtualProtect
VirtualFree
VirtualAlloc
UnregisterWaitEx
InitializeSListHead
ReleaseSemaphore
GetModuleHandleA
FreeLibraryAndExitThread
FreeLibrary
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
CreateTimerQueueTimer
GetLogicalProcessorInformation
TlsFree
TlsSetValue
TlsGetValue
CreateThread
SetThreadPriority
GetThreadPriority
GetExitCodeProcess
GlobalAlloc
K32GetModuleFileNameExW
GetPrivateProfileStringW
GetLogicalDrives
GetLastError
WaitForSingleObject
GetDriveTypeW
Sleep
GetTempPathW
QueryDepthSList
FileTimeToLocalFileTime
GlobalMemoryStatusEx
GetVersionExW
GetProcessAffinityMask
SetProcessAffinityMask
GetACP
ExitProcess
FreeResource
MulDiv
GetFileType
DuplicateHandle
DosDateTimeToFileTime
InitializeCriticalSectionAndSpinCount
GetStringTypeW
EncodePointer
GetSystemTimeAsFileTime
GetCurrentThread
IsDebuggerPresent
OutputDebugStringW
GetTimeZoneInformation
SetFilePointerEx
GetConsoleCP
GetConsoleMode
CreateTimerQueue
IsProcessorFeaturePresent
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
TlsAlloc

user32

SendMessageW
MessageBoxExW
MessageBoxW
KillTimer
SetTimer
SetWindowPos
GetClientRect
IsZoomed
IsIconic
PostQuitMessage
ScreenToClient
SetWindowLongW
GetWindowLongW
LoadIconW
GetShellWindow
GetWindowThreadProcessId
GetGUIThreadInfo
InvalidateRgn
CreateAcceleratorTableW
MoveWindow
GetWindowTextLengthW
GetWindowTextW
SetWindowTextW
GetSysColor
ClientToScreen
GetCaretPos
SetCaretPos
ShowCaret
HideCaret
GetCaretBlinkTime
CreateCaret
SetRect
FillRect
DrawTextW
CharPrevW
EnumDisplayDevicesW
GetSystemMetrics
EnumDisplayMonitors
GetDC
GetMonitorInfoW
EnumDisplaySettingsW
GetMessageW
TranslateMessage
DispatchMessageW
PostMessageW
DefWindowProcW
CallWindowProcW
RegisterClassW
RegisterClassExW
GetClassInfoExW
CreateWindowExW
IsWindow
ShowWindow
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
SetCursor
wvsprintfW
OffsetRect
SetWindowRgn

advapi32

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

ole32

CoInitializeSecurity
CoSetProxyBlanket
CLSIDFromString
CLSIDFromProgID
CoInitialize
OleLockRunning
CreateStreamOnHGlobal
CoCreateGuid
CoUninitialize
CoInitializeEx
CoCreateInstance

oleaut32

SysFreeString
VariantClear
SysAllocString
VariantInit

gdiplus

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

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

ord17
_TrackMouseEvent

imm32

ImmSetCompositionWindow
ImmSetCompositionFontW
ImmReleaseContext
ImmGetContext

iphlpapi

GetAdaptersInfo

gdi32

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

Sections

.text
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 566KB - Virtual size: 565KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 35KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 243KB - Virtual size: 243KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b7d85716655279320a9f2d0d8ccf3da5

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

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

58:21:82:a7:50:ba:40:b8:5c:a5:b6:85:de:b4:8f:5f:f4:50:db:fb:f1:d6:7b:db:c4:e1:f5:c9:cf:ba:67:b8Signer

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: 2.2MB - Virtual size: 2.2MB

.rdata Size: 566KB - Virtual size: 565KB

.data Size: 35KB - Virtual size: 108KB

.rsrc Size: 243KB - Virtual size: 243KB

.reloc Size: 104KB - Virtual size: 104KB

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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
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

58:21:82:a7:50:ba:40:b8:5c:a5:b6:85:de:b4:8f:5f:f4:50:db:fb:f1:d6:7b:db:c4:e1:f5:c9:cf:ba:67:b8
Signer

.text
Size: 2.2MB - Virtual size: 2.2MB

.rdata
Size: 566KB - Virtual size: 565KB

.data
Size: 35KB - Virtual size: 108KB

.rsrc
Size: 243KB - Virtual size: 243KB

.reloc
Size: 104KB - Virtual size: 104KB