BK90150[.]exe | Triage

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General

Target

BK90150.exe
Size

322KB
MD5

e802071be25db2528d3878bded56d3bf
SHA1

d40b2a7d4f73110f1adc13438ead5d0e0e3ce66b
SHA256

d81faad0d92b453c12c9de5562f2ff509e88743776af0e48b6ed676f538a9892
SHA512

43592939966fa1f49e45d99a9a6eef328d2e962c958f9fc5ccbd2ab36d6a5dbcb187bdb55a903095f57cf15c5e3c0ba5e892734aec9046c1c30af5fe85ae4d90
SSDEEP

6144:R4SUjhth56iHdx+K16auhrniMhiZmLm56zsoI+vL9sEInDpH:q/6i9x+K/uhrgmLG6g+S/9H

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BK90150.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

BK90150.exe
.exe windows x86

e160ef8e55bb9d162da4e266afd9eef3

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetTickCount
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
SearchPathA
GetShortPathNameA
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
SetEnvironmentVariableA
GetWindowsDirectoryA
GetTempPathA
Sleep
CloseHandle
LoadLibraryA
lstrlenA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
ReadFile
lstrcpyA
lstrcatA
GetSystemDirectoryA
GetVersion
GetProcAddress
GlobalAlloc
CompareFileTime
SetFileTime
ExpandEnvironmentStringsA
lstrcmpiA
lstrcmpA
WaitForSingleObject
GlobalFree
GetExitCodeProcess
GetModuleHandleA
SetErrorMode
GetCommandLineA
LoadLibraryExA
FindFirstFileA
FindNextFileA
DeleteFileA
SetFilePointer
WriteFile
FindClose
WritePrivateProfileStringA
MultiByteToWideChar
MulDiv
GetPrivateProfileStringA
FreeLibrary

user32

CreateWindowExA
EndDialog
ScreenToClient
GetWindowRect
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
GetDC
SystemParametersInfoA
RegisterClassA
TrackPopupMenu
AppendMenuA
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
ReleaseDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
GetClassInfoA
DialogBoxParamA
CharNextA
ExitWindowsEx
DestroyWindow
CreateDialogParamA
SetTimer
GetDlgItem
wsprintfA
SetForegroundWindow
ShowWindow
IsWindow
LoadImageA
SetWindowLongA
SetClipboardData
EmptyClipboard
OpenClipboard
EndPaint
PostQuitMessage
FindWindowExA
SendMessageTimeoutA
SetWindowTextA

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

RegCloseKey
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegEnumValueA
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

CoCreateInstance
CoTaskMemFree
OleInitialize
OleUninitialize

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 68KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e160ef8e55bb9d162da4e266afd9eef3

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 23KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 149KB

.ndata Size: - Virtual size: 68KB

.rsrc Size: 33KB - Virtual size: 32KB

.text
Size: 23KB - Virtual size: 23KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 149KB

.ndata
Size: - Virtual size: 68KB

.rsrc
Size: 33KB - Virtual size: 32KB